Our Members

Leadership Circle

  • Able Grid

    Able Grid is a utility-scale energy storage developer based in Boulder, Colorado and backed by leading energy investors.

    In partnership with utilities, municipalities, communities, technology providers, and financing parties, Able Grid is developing low-cost energy storage projects that improve the reliability of the electric grid and help integrate clean sources of energy.

  • Clearway Energy Group

    Clearway is one of the largest clean energy companies in the United States. Built for 21st-century energy markets, Clearway is focused on providing customers with the power they need and the customer experience they deserve.

  • Con Edison Battery Storage

    Con Edison Battery Storage is a world-class energy storage products and applications company. Our products and services help to reduce customers’ carbon footprint, improve energy resiliency, while delivering the greatest possible economic value, and supporting grid stability and sustainability.

  • Duke Energy

    Duke Energy is the largest electric power holding company in the United States, supplying and delivering energy to approximately 7.2 million U.S. customers. We have approximately 57,700 megawatts of electric generating capacity in the Carolinas, the Midwest and Florida – and natural gas distribution services in Ohio and Kentucky.

  • E.ON

    E. ON Climate and Renewables North America (E.ON) is one of the world’s largest owners of renewable power projects and is rapidly expanding its wind and solar energy portfolio. The company develops, owns, and operates some of the most efficient, highest performing renewable energy projects in the United States.

  • East Penn Manufacturing Co., Inc.

    East Penn Manufacturing and its storage solutions subsidiary, Ecoult, deliver energy storage modules and turnkey projects for emerging markets such as solar, wind, and electrical grid storage applications.

  • EDF Renewable Energy

    EDF Renewable Energy's strength is grounded in the Company's extensive experience and competencies gained over more than 25 years across a spectrum of services required for the development and long-term operation of a successful wind and solar project.

  • ENEL Green Power

    Enel Green Power North America, Inc. (EGP), part of the Renewable Energies division of the Enel Group, is a leading owner and operator of renewable energy plants in North America with projects operating and under development in 24 U.S. states and two Canadian provinces.

    EGP operates over 100 plants with a managed capacity of approximately 5 GW powered by renewable hydropower, wind, geothermal, and solar energy.

  • Fluence Energy

    Fluence, a Siemens and AES company, is the leading global energy storage technology solutions and services company that combines the agility of a technology company with the expertise, vision, and financial backing of two industry powerhouses.

    It was established in 2018 as the successor to industry pioneers AES Energy Storage and Siemens energy storage and offers proven energy storage technology solutions in over 160 countries.

  • GE Power

    GE has more than 125 years of integrating the latest innovations in electricity generation and delivery. Approximately one-third of the electricity generated in the world uses GE equipment.

    GE’s Renewable Energy includes wind, hydro, solar, storage, hybrid capabilities, digital services, and grid solutions, making it the most diverse and broadest renewable portfolio in the industry. The business can support customers from project development, to equipment and services, to turnkey solutions. https://www.ge.com/renewableenergy/hybrid/battery-energy-storage

  • Ingersoll Rand / Trane

    Ingersoll Rand (NYSE:IR) advances the quality of life by creating comfortable, sustainable and efficient environments. Our people and our family of brands—including Club Car®, Ingersoll Rand®, Thermo King® and Trane®.

    Trane has over 100 years of buildings and energy experience, cutting edge technology and services. Our dedicated people help leverage buildings as a financial and operational resource for the grid by offering grid operators results: energy controls that uniquely address local grid conditions, increased capacity management, dispatchable assets, non-wire solutions, and reduced greenhouse gas emissions.

  • Invenergy LLC

    Invenergy is a leading U.S.-based privately held developer and operator of sustainable energy solutions. We develop, own and operate large-scale renewable energy and other clean energy generation and storage facilities in the Americas and Europe.

    Invenergy's home office is located in Chicago and it has regional development offices in the United States, Canada, Mexico, Japan and Europe.

  • LG Chem

    Advanced Li-Ion batteries for grid-scale, C&I and residential applications. Cell technology verified by the world’s leading automotive OEMs and now achieving highest levels of safety, performance and reliability.

    We support our customers via a dedicated US-based team with sales, engineering, project management and field support resources, fully supported by the financial strengths of a $24Bn global business.

  • Lockheed Martin Energy

    Lockheed Martin Energy provides turn-key energy storage solutions for utility, commercial and industrial applications. Backed by a full Lockheed Martin warranty, our GridStar™ modular energy storage systems are designed for performance, reliability, and low total cost of ownership.

    Lockheed Martin is a global security and aerospace company that employs approximately 126,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Energy offers energy management, energy storage, nuclear systems, ocean energy, and bioenergy solutions. www.lockheedmartin.com/energystorage

  • LS Energy Solutions

    LSIS is committed to innovation – investing significantly in R&D to deliver cost competitive, industry leading solutions, which exceed our customer’s expectations. We employ more than 3,500 people globally, operate 8 manufacturing facilities, and are approaching $3B USD in sales.

  • MAP Energy

    MAP® is a leading investor in the development of renewable energy and energy storage projects in the United States. MAP has funded more than 11,000 megawatts of operating wind and solar generating capacity located across the United States.

  • Mortenson Construction

    Mortenson Construction is a U.S.-based, family-owned construction company. Ranked as the 18th largest contractor in America, Mortenson provides a range of services, including planning, program management, preconstruction, and general contracting.

  • National Grid

    National Grid is an electricity and natural gas delivery company that connects nearly 7 million customers to vital energy sources through its networks in New York, Massachusetts and Rhode Island. It is the largest distributor of natural gas in the Northeast.

    National Grid also operates the systems that deliver gas and electricity across Great Britain.

  • New York Power Authority (NYPA)

    Our mission is to power the economic growth and competitiveness of New York State by providing customers with low-cost, clean, reliable power and the innovative energy infrastructure and services they value.

  • NextEra Energy, Inc.

    NextEra Energy Resources is a clean energy leader and is one of the largest wholesale generators of electric power in the U.S., with approximately 18,300 megawatts of generating capacity primarily in 24 states and Canada; together with its affiliated entities, it is the largest generator in North America of renewable energy from the wind and sun.

  • Oncor

    Oncor is a regulated transmission and distribution company that delivers electricity to more than 3.5 million homes and businesses in Texas. We operate the largest transmission and distribution system in Texas.

    We provide transmission services from merchant generation facilities to distribution utilities, and provide distribution services to retail electric providers, which sell electricity to retail customers.

  • PPL Corporation

    PPL Corporation, one of the largest investor-owned utilities in the U.S., delivers electricity and natural gas to more than 10 million customers in Pennsylvania, Kentucky and the United Kingdom.

    Safari Energy LLC, a PPL company, is a leading provider of solar energy solutions for commercial customers in the U.S. Safari is uniquely positioned to support the growth of distributed energy resources, including energy storage, and to pursue technologies that will help advance a cleaner energy future.

  • Shell New Energies US

  • Stem Inc.

    Stem, a leading provider of intelligent energy storage, combines big data, predictive analytics and energy storage to simultaneously reduce electricity costs for businesses and in aggregate, deliver services to the grid.

  • Swinerton Renewable Energy

    Swinerton Renewable Energy (SRE) offers Integration, Engineering, Procurement, Construction (IEPC), and SOLV® O&M services for energy storage and solar-storage hybrid projects throughout North America.

    SRE has delivered over 3.5 GW of solar and storage projects via turnkey IEPC services and manages over 5 GW of plants across the US. Over 130 years of building landmark projects, Swinerton has forged a reputation for unsurpassed safety, workmanship, on-time delivery and customer satisfaction. Today, our team takes pride in building best-in-class, cost-effective energy storage and solar-storage plants providing reliable services to the grid.

Full Members

  • 8Minutenergy Renewables

    Our singular focus is on utility-scale solar power and energy storage. That focus can be seen in our attention to detail, which drives down our prices and expands the addressable market for solar power.

  • Acciona Energy USA

    ACCIONA Energy owns and operates a nearly 900 MW of wind and solar projects across the U.S. and Canada. The company is an independent power producer focused solely on renewable energy. ACCIONA’s U.S. team is involved in all aspects renewable energy, including, financing, construction, project development operations and power marketing.

  • Advanced Microgrid Solutions

    Advanced Microgrid Solutions (AMS) is pioneering the use of energy storage systems for electric utility grid support. Using a technology-agnostic approach, the company designs, finances, installs and manages advanced energy storage solutions for commercial, industrial and government building owners.

  • Aggreko

    Aggreko is the global leader in mobile and modular power, with over 20,000 systems installed and over 200 locations worldwide. Our Microgrid and Storage Solutions business unit is a pioneer in smart energy and grid solutions based on battery storage.

    Systems are available in 1 MW building blocks as standalone resources or as core elements of our energy storage and microgrids as-a-service offerings. Based on Aggreko’s proven delivery and service capability for distributed power generation assets, we can size and model hybrid systems to achieve the lowest cost of energy for customers around the world.

  • Amber Kinetics

    Amber Kinetics is a manufacturer of a grid-scale flywheel energy storage solution. Our advanced steel flywheel technology is the world’s first multi-hour flywheel energy storage system.

  • Ameresco, Inc.

    Ameresco is an energy efficiency and renewable energy solutions provider. We deliver long-term customer value, environmental stewardship, and sustainability through energy efficiency services, alternative energy, supply management, and innovative facility renewal all with practical financial solutions.

  • American Municipal Power, Inc

    American Municipal Power, Inc. (AMP) is the nonprofit wholesale power supplier and services provider for 134 member municipal electric systems in Ohio, Pennsylvania, Michigan, Kentucky, Virginia, West Virginia, Indiana, Maryland;

    as well as the Delaware Municipal Electric Corporation. Combined, these member utilities serve more than 650,000 customers.

  • American Transmission Company

    American Transmission Co. was founded in 2001, as the first multi-state, transmission-only utility in the United States. Unlike most other utilities, we have a single focus: transmission.

    Our transmission system allows energy producers to transport electric power from where it’s generated to where it’s needed. It’s similar to the interstate highway system with high-voltage electricity traveling on the transmission system wires like vehicles on the highway.

  • Argonne National Laboratory

    Argonne National Laboratory, the nation's first national laboratory, conducts leading-edge basic and applied scientific research in virtually every scientific discipline with employees from more than 60 nations.

  • Arizona Public Service

    APS serves about 2.7 million people in 11 of Arizona’s 15 counties, and is the Southwest’s foremost producer of clean, safe and reliable electricity. Using a balanced energy mix that is 50 percent carbon-free, APS has one of the country’s most substantial renewable energy portfolios,

    and owns and operates the Palo Verde Generating Station, the country’s top power producer and largest producer of carbon-free energy. The company is also a proven leader in introducing technology and services that offer customers choice and control over their energy consumption. With headquarters in Phoenix, APS is the principal subsidiary of Pinnacle West Capital Corp.

  • Ascend Analytics

    Ascend Analytics is an industry-leading software and consulting firm supporting storage valuation and strategic operations. Ascend’s innovative weather-derived and sub-hourly analytic tools, unique in the marketplace, serve as a critical bridge between today’s highly volatile physical and financial markets. Our client base includes

    Duke, LADWP, Ameren, and a host of other developers, utilities, and grid planning entities. Ascend’s decision analysis tools are designed to maximize investment and operational profitability. Our standalone BatterySimm software, relied upon by leading investors, captures sub-hourly volatility and other unique innovations to optimize the value of storage and solar + storage investments and operating strategies vis a vis physical constraints of the asset, the grid, and ISO-specific market rules.

  • Atwell Group

    Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land development, power and energy, oil and gas, industrial and manufacturing, and mining and metals markets.

  • BlueWave Solar

    BlueWave Solar is working to create better solar energy options in every neighborhood we serve. Join the solar energy revolution!

  • Blymyer Engineers, Inc.

    Blymyer Engineers is an innovative leader in engineering with expertise in renewable energy and storage services. We provide exceptional service to our clients on projects ranging from feasibility studies and conceptual designs to the engineering of entire facilities.

  • California Independent System Operator

    The California ISO provides open and non-discriminatory access to the bulk of the state’s wholesale transmission grid, supported by a competitive energy market and comprehensive infrastructure planning efforts.

  • Citizens Energy Corporation

    Citizens Energy Corporation is a non-profit energy company, based in Boston, that creates innovative companies to generate profits to help charitable causes and make life’s basic necessities more affordable to those in need.

    Citizens Storage offers a fully integrated development, construction and financing model paired with the flexibility to meet the needs of partners and customers alike. Projects include stand-alone storage, pairing storage with renewable energy sources, and community and commercial microgrids designed to increase the energy resilience of communities to better withstand the effects of climate change while generating revenues to fund additional community programs.

  • Clean Feet Investors I, LLC

    Zahren Financial Co., LLC manages funds that are cash producing assets deployed by entrepreneurial partners in the clean energy and sustainability sectors.

  • CMS Energy

    CMS Energy is the parent company for Consumers Energy (Regulated Utility) and CMS Enterprises (IPP). Enterprises owns and operates renewable independent power projects primarily in MISO and PJM.

    Enterprises works with clients to develop,own an operate wind and solar projects. https://www.cms-enterprises.com

  • Cobra Instalaciones y Servicios

    ACS is a worldwide reference group for construction, civil works and related services, developing its activity in over 54 countries in key sectors such as Oil & Gas, Infrastructures, Mining, Power & Heat (CCGT) and Energy (Renewable Energy facilities including onshore & offshore wind, tidal, hydroelectric power plants, solar PV

    and solar thermal –CSP– plants). ACS, through Cobra, is strongly investing in renewable wind and dispatchable solar thermal energy development; high voltage transmission lines development all around the world; and desalination plants development throughout over the 5 continents.

  • Community Energy Solar

    Community Energy Solar builds long-term relationships by delivering energy options that work — for customers, investors and utilities. Our projects build on community trust and utility expertise to bring reliable, high-quality solar energy projects to market. Community Energy has a ten-year plus track record of renewable energy development,...

  • Coffman Engineers

    Coffman Engineers is a locally-driven engineering firm with a global network of multidiscipline capabilities. Our teams provide smart, practical, and efficient solutions with a positive impact. We work on energy sector projects from wind turbine foundations in arctic permafrost,

    solar arrays in tropical environments, battery storage in deserts, and microgrid installations in remote environments. We have considerable experience in Front-End Loading (FEL) project processes. Evaluating at appraise, select, define and execute gates saves effort by pursuing only well-defined solutions at delivery gates. Coffman supports creating documentation on project stages for schedules, design viability, economic analysis, risk registers, and project execution.

  • Crowell & Moring, LLP

    Crowell & Moring LLP is an international law firm offering a complete range of regulatory, litigation, transactional, and policy services to the electric power industry. Visit www.crowell.com for more information.

  • CSA Group

    CSA Group is a global organization dedicated to safety, social good, and sustainability, and a leader in safety and environmental certification around the world including Canada, the U.S, Europe, and Asia. Our mandate is to hold the future to a higher standard.

  • Customized Energy Solutions, LTD.

    Customized Energy Solutions is at the forefront of energy markets and emerging technologies. Through consulting services, financial analysis and market operations center we enable integration of energy storage, DR and microgrids for various grid applications.

  • Cypress Creek Renewables

    Cypress Creek Renewables partners with local communities and utilities to provide widespread access to affordable, clean energy. Cypress Creek Renewables’ solar solutions produce energy at or below market costs, while our locally based development strategy allows us to deploy solar where the power is needed most.

    With well over $2 billion raised and invested and over 5 gigawatts of local solar farms deployed or in development (over 250,000 homes powered), Cypress Creek Renewables is the largest and fastest-growing dedicated provider of local solar farms.

  • Doosan GridTech

    Doosan GridTech delivers standards-based software for energy storage systems and other value-added assets of intelligent electric power systems. Our products enable clean energy resources, such as wind and solar power, while improving grid resiliency and reliability.

  • Dimension Renewable Energy

    The Dimension Renewable Energy team has more than a decade of experience developing renewable energy projects around the world. Since 2014, we have originated, developed, constructed, and financed more than 1,000 MW of solar and energy storage projects across the United States.

    We know what works and how to create high-performing renewable energy assets that produce years of benefits for all stakeholders.

  • Dynapower Company LLC

    Dynapower Company LLC is a global leader in the design and manufacture of standard and custom power conversion equipment including bi-directional inverters, controls and transformers for use in energy storage, industrial, mining, military and research applications.

  • e2comply, LLC.

    e2comply is an EPC company focused on meeting energy and compliance including permitting, environmental, utility and site specific requirements. We meet electrical needs and innovate competitive solutions with an agnostic integration approach for behind the meter distributed energy applications.

    Our base applications are quickly deployable, avoid any disruptions in power, eliminate utility interconnects and expensive soft loading equipment. We enroll systems in utility programs where available to lower and sometimes eliminate all cost through power purchase agreements. All our systems come with complete monitoring and IoT smart applications for alerts, AI, and automation.

  • East Light Partners

    East Light Partners is a renewable energy development company targeting the opportunity for distributed- and utility- scale solar and energy storage in the Northeast United States.

  • EDP Renewables North America

    EDP Renewables (Euronext: EDPR) is a leading, global renewable energy company devoted to value creation, innovation and sustainability. We operate in markets around the globe and are continuously expanding our business to new regions, making the commitment to lead in each market as well as create value for our stakeholders and shareholders.

    EDPR NA is based in Houston, Texas, and maintains offices and wind farms across the United States. The American platform has seen rapid growth since 2007, operating c. 6.1 GW.

  • Edison Electric Institute (EEI)

    The Edison Electric Institute is the association that represents all U.S. investor-owned electric companies. Its members provide electricity for 220 million Americans, operate in 49 states and the District of Columbia, and directly employ more than 500,000 workers.

  • Enertis Solar Inc

    Our consultants and engineers provide independent expert advice to support Wind, Solar and Energy Storage projects, worldwide. Enertis provides technical consulting, engineering and testing services to developers, owners, financial entities, equity investors and contractors. www.enertis.es

  • Enbala Power Networks

    Enbala’s award-winning technology goes far beyond load control, demand response and auto-DR. It raises the bar to a whole new level, with features like closed-loop real-time optimization of DERs and bi-directional wholesale transactions to add and

    subtract power at precisely the right time and place that it’s needed – or not needed.

  • Energy Intelligence Partners

    EIP provides clients and partners with > 30 years of experience in energy storage, project development and finance. EIP has worked with all types of energy storage technologies and renewable energy projects.

    Experience includes technical, financial, market, and business know-how gained through founding, developing, operating, and investing in energy storage companies and assets. EIP has worked with some of the largest players in the utility field, as well as emerging technology companies bringing both BTM and FTM solutions to market. In addition to traditional consulting engagements, EIP enters into partnerships with solar and wind developers to co-develop energy storage projects.

  • ENGIE North America

    Building a society that demands less energy and is less dependent on nuclear power and fossil fuels: these are the ambitious goals of the energy transition. ENGIE is applying the full power of its research and innovation capabilities to succeed

    in these challenges and offer services that deliver consistently improved efficiency and environmental performance to its customers.

  • Enovation Partners

    Enovation Partners focuses exclusively on energy and infrastructure– inseparable sectors undergoing fundamental change an offering new opportunity.

  • EnSync Energy Systems

    EnSync Energy Systems, formerly known as ZBB Energy Corporation, is a technology solutions company providing industry-leading energy management systems critical to an economy increasingly reliant upon renewable energy.

    Whether part of the grid power transmission and distribution network, or located “behind the meter” in commercial, industrial and multi-tenant buildings, EnSync brings vital power control and energy storage solutions to micro-environments associated with increasingly pervasive use of distributed and renewable energy generating assets. EnSync technology is a key player in providing energy management systems for off-grid applications such as island or remote power.

  • Entergy

    Entergy Corporation is an integrated energy company engaged primarily in electric power production and retail distribution operations. Entergy owns and operates power plants with approximately 30,000 megawatts of electric generating capacity, including nearly 9,000 megawatts of nuclear power.

  • Eos Energy Storage

    Eos has developed a low-cost, long-life, safe and dense energy storage technology for utility and commercial-scale applications, and is installing systems at major utility locations in the US and Europe.

  • EPRI

    The Electric Power Research Institute, Inc. conducts research, development and demonstration (RD&D) relating to the generation, delivery and use of electricity for the benefit of the public.

  • Eversheds Sutherland LLP

    With more than 2,800 lawyers, Eversheds Sutherland operates in 68 offices in 34 jurisdictions across Africa, Asia, Europe, the Middle East and the United States.

    Eversheds Sutherland is at the forefront of developments in the energy storage market and its lawyers are leading the conversation among financial institutions, policy makers, battery manufacturers, developers and customers engaged in the development of energy storage worldwide. To learn more, please visit eversheds-sutherland.com.

  • EsVolta LP

    esVolta is a leading developer, owner and operator of utility-scale energy storage projects across North America. Our projects provide essential services for electric utilities and large energy users including on-demand capacity, energy arbitrage, and ancillary grid support services.

  • Eversource Energy

    Eversource Energy (is an S&P 500 and Fortune 500 company that) operates New England’s largest energy delivery company and is committed to safety, reliability, environmental leadership and stewardship,

    as well as expanding energy options for approximately 3.6 million electric and natural gas customers in Connecticut, Massachusetts and New Hampshire.

  • EVgo

    EVgo is the largest public fast charging network for electric vehicles in the United States. Our mission is to provide affordable, accessible and clean EV fast charging to individual drivers and fleets across the US.

    EVgo has over 1,050 fast chargers at stations in 66 metropolitan markets across the United States, and we’re rapidly expanding. In 2017, we provided over 1.1 million charging sessions to our over 75,000 drivers in our network.

  • Exelon Utilities

    Exelon's family of companies represents every stage of the energy value chain. Exelon’s six utilities deliver electricity and natural gas to approximately 10 million customers in Delaware, the District of Columbia, Illinois, Maryland, New Jersey and Pennsylvania through its Atlantic City Electric, BGE, ComEd, Delmarva Power, PECO and Pepco...

  • Flextronics

    Flex is a sketch-to-scale™ solutions company that designs and builds intelligent products for a connected world. With 200,000 professionals across 30 countries, Flex promises to help the world Live smarter™.

  • Foley Hoag LLP

    Foley Hoag’s Energy and Cleantech attorneys serve as trusted legal advisors to help clients execute and thrive among the rapidly changing laws surrounding energy.

  • Greensmith Energy Management Systems

    Greensmith systems control stationary energy storage and its many applications, including renewable integration, EV charging, and ancillary services.

  • Hannon Armstrong

    Hannon Armstrong focuses on solutions that reduce carbon emissions and increase resilience to climate change by providing capital to the leading companies in the energy efficiency, renewable energy and other sustainable infrastructure markets. For more information, please visit www.hannonarmstrong.com.

  • Hanwha Energy USA (d.b.a. “174 Power Global”)

    174 Power Global is based in Irvine, California, and is an affiliate company of the Hanwha Group, a Fortune Global 500 Company and the 8th largest conglomerate in South Korea.

    174 Power Global, together with its affiliates, is focused on making solar energy and storage competitive for a cleaner, sustainable, and reliable future. Possessing knowledge and resources in every aspect of the solar and storage industry, we closely work with our partners to create success and improve the quality of life.

  • Highview Power Storage

    Highview Power Storage is a UK designer and developer of large-scale, long duration Liquid Air Energy Storage (LAES) systems for utility and distributed power systems.

  • Hotstart

    Established in 1942 with the original patent for engine coolant heating, HOTSTART has over 75 years of experience in developing complete heating solutions – providing our customers with the engine preheating systems they need for easy engine starts, immediate full power, reduced engine wear, reduced emissions, and reduced fuel consumption.

  • Hydrogenics Corporation

    Hydrogenics is a leading hydrogen cleantech company who designs and manufactures MW scale electrolyzer systems for Power-to-Gas developers around the world. Power-to-Gas is a large scale energy storage solution ideal for markets with a high penetration of renewable generation.

  • Hydrostor

    Hydrostor is a leader in Advanced Compressed Air Energy Storage (A-CAES), a technology uniquely suited to enable the transition to a cleaner, more reliable electricity grid. A-CAES provides grid services that are not readily replicated by other storage technologies, giving it unique market potential.

    It addresses bulk electricity system needs for dispatchable capacity, rotational inertia, renewable integration, transmission deferral and ancillary services, and is ideal for use in behind-the-meter or remote applications for mines and large industrial operations. Hydrostor has multiple projects in operation or under construction in Australia and Canada, as well as projects in advanced development globally. www.hydrostor.ca

  • Hyosung Corporation

    Established in 1966, Hyosung provides turn-key Energy Storage Systems (ESS) with industry-leading warranties and guarantees. Hyosung has deployed over 350MW and 1300MWh total ESS worldwide as a specialized provider of power systems

    with over 50 years of experience in the power industry, infrastructure construction, equipment manufacturing and supply. Hyosung delivers the best value in all areas including ESS design, engineering, manufacturing, integration, service , and consulting. In particular, our MW-scale ESS technology delivers optimal, reliable value for any energy storage application. Please check out our ESS and integration technologies.

  • Innovation Core SEI, Inc. (Sumitomo Electric Group)

    As a global leader in Vanadium Redox Flow Battery with a track record since 1996, Sumitomo Electric brings to our customer a fully integrated and flexible energy storage solution.

  • Intertek Testing Services, NA

    From electric vehicles to personal electronics to renewable energy, Intertek has a depth of experience in battery testing services, ensuring energy storage technologies meet performance, reliability and safety criteria. Intertek assesses more than 20,000 batteries each year, covering all chemistries and sizes.

  • K&L Gates

    K&L Gates has more than 2,000 lawyers across five continents. Our lawyers guide energy storage clients through transactions, project financing and development, regulatory compliance, policy initiatives, tax matters, and more.

  • Key Capture Energy

    Key Capture Energy identifies, develops, constructs , and operates energy storage solutions to foster greater deployment of renewable energy, create a more stable electric grid, and provide value to all ratepayers.

  • Kiewit

    Kiewit is a leader in the power industry with expertise across each market and multiple technologies. Our diversity represents more than 120,000 MW of installed capacity. As one of North America’s largest EPC providers, Kiewit brings in-depth expertise to the delivery of power projects.

    From concept to commercialization, we offer clients a full suite of Engineering Only, EPC and start-up services that set industry standards for quality design and superior functionality. By focusing on safety and client satisfaction, we’ve demonstrated that we can deliver challenging, complex projects of all sizes, on time and within budget.

  • Kilpatrick Townsend & Stockton LLP

    Kilpatrick Townsend & Stockton is an international law firm headquartered in Atlanta, Georgia, United States. The firm has seventeen offices, including U.S. offices in Georgia, California, Colorado, North Carolina, New York, Washington State, and the District of Columbia.

  • Landis+Gyr

    Landis+Gyr is the leading global provider of smart grid and energy management solutions inclusive of advanced metering, grid management, data management, analytics and a full suite of services.

  • LendLease Energy Development

    LendLease is a leading international property and infrastructure group with operations in Australia, Asia, Europe and the Americas. Its vision is to create the best places; places that inspire and enrich the lives of people around the world.

  • Li-Ion Tamer

    Li-ion Tamer® is a gas detection technology developed specifically for lithium-ion batteries. It improves the safety of energy storage systems by providing early warning of a single cell failure within a battery.

    The technology detects gases vented from damaged cells before they enter thermal runaway and allows the time necessary to mitigate battery fires. The product is designed to be installed on battery racks to help prevent fires by providing detection that will save lives, capital, and protect your brand. Li-ion Tamer® is a Nexceris product.

  • LS Power Development

  • Maxwell Technologies, Inc.

    Maxwell Technologies’ market leading ultracapacitors are energy storage devices that possess a unique combination of high-power density, long operational life and the ability to charge and discharge rapidly.

    Maxwell ultracapacitors provide reliable energy storage and power delivery solutions for microgrids and utility grids, transportation, renewable energy projects and more. Maxwell’s success is built on providing customer-driven solutions designed for superior performance backed by an extraordinary application engineering and field support team. Learn more at maxwell.com/gridsystems.

  • Mitsubishi Electric Power Products, Inc.

    Mitsubishi Electric is a global corporation committed to the improvement of Society and the Environment through Technology, Quality, Citizenship and Trust. Our mission is to continually improve technologies and services applying creativity to all aspects of our business.

  • Morrison & Foerster LLP

    Morrison & Foerster understands the current electric grid and the key need for distributed energy storage, and we have unparalleled expertise in the battery technologies for the telecommunications and electric vehicle markets.

  • National Rural Electrical Cooperative Association

    NRECA is the national service organization for more than 900 not-for-profit rural electric cooperatives and public power districts providing retail electric service to more than 42 million consumers in 47 states.

  • National Rural Utilities Cooperative Finance Corporation (CFC)

    As the only lender created and owned by the electric cooperative network, the National Rural Utilities Cooperative Finance Corporation (CFC) -a nonprofit finance cooperative with approximately $25 billion in assets -

    provides capital, industry-leading financial products and unparalleled industry expertise to America's 900-plus not-for-profit, consumer-controlled electric cooperatives and rural utility systems.

  • Navigant Consulting

    Navigant Consulting, Inc. is a specialized, global professional services firm that helps clients take control of their future. Navigant’s professionals apply deep industry knowledge, substantive technical expertise, and an enterprising approach to help clients build, manage, and/or protect their businesses.

    Navigant’s global Energy practice, with over 600 consultants, is the largest energy and sustainability consulting team in the industry. We collaborate with utilities and energy companies, government and NGOs, industries and large corporations, product manufacturers, and investors to help them thrive in a rapidly changing energy environment. More information can be found at navigant.com/energy.

  • NEC Energy Solutions

    NEC Energy Solutions designs, manufactures, and integrates smart energy storage solutions for the electric grid and applications with critical power needs. Its megawatt‐scale energy storage and control systems provide greater stability to the grid while maximizing renewable generation.

    In telecom, datacenter, and other industrial applications, its high performance lithium-ion battery systems provide better value than traditional lead-acid batteries in tough, critical power applications. Learn more at www.neces.com.

  • North American Development Bank

    NADB provides financing, as well as technical and other assistance, to support the development and implementation of infrastructure projects that help preserve, protect and enhance the environment of the border region in order to advance the well-being of the people of the United States and Mexico.

  • North Carolina Sustainable Energy Association

    The NC Sustainable Energy Association mission is to drive policy and market development to create clean energy jobs, economic opportunities and affordable energy that benefits all of North Carolina.

    Our goal is to cultivate a robust clean energy ecosystem that unifies and benefits all of its stakeholders: consumers, businesses, the clean energy industry and utility energy providers.

  • Origis Energy USA

    Headquartered in Miami, FL, Origis Energy USA is powering the solar revolution with solar power projects for utility scale solar and commercial solar energy systems worldwide.

  • Orsted Energy Storage and Solar

    Orsted is the global leader in offshore wind with a market share of 25%, currently powering 9.5 million people, and also develops, builds, owns, and operates onshore wind, solar, and energy storage projects in the US, Europe, and Asia. In the US, Orsted operates through their wholly owned subsidiary, Lincoln Clean Energy.

  • Pacific Gas and Electric Company

    Pacific Gas and Electric Company, incorporated in California in 1905, is one of the largest combination natural gas and electric utilities in the United States. Based in San Francisco, the company is a subsidiary of PG&E Corporation.

  • Pacific Northwest National Laboratory

    At Pacific Northwest National Laboratory, our mission is to transform the world through courageous discovery and innovation.

  • Panasonic

    Panasonic's Smart Energy Storage System is a very scalable power storage system with the ability to address multiple energy storage applications.

  • Pattern Energy Group 2LP

    Pattern Energy is a leading U.S.-based independent renewable energy company. In everything we do, we are guided by our long-term commitment to serve our customers, protect the environment, strengthen communities, support our teams, and create value for our investors.

  • Pierce Atwood LLP

    Pierce Atwood LLP, a leading full-service law firm that serves regional, national and international clients. Our energy practice represents private and public entities across the U.S. and abroad.

  • PowerSecure Inc.

    Delivering effective energy storage and microgrid solutions grounded in technical, industry, and utility experience.

  • Powin Energy

    Oregon-based Powin Energy is a leading designer and developer of advanced battery management technology, and manufacturer of battery energy storage solutions made for large commercial & industrial and utility-scale applications.

  • PSEG

  • Rappahannock Electric Cooperative

    REC is a member-owned utility that provides electric service to over 165,000 connections in portions of 22 Virginia counties. The Cooperative was formed in 1980 after the consolidation of two cooperatives, Virginia Electric Cooperative in Bowling Green and Northern Piedmont Electric Cooperative in Culpeper. The Cooperative's general office is...

  • Recurrent Energy

    Recurrent Energy is a leading utility-scale solar project developer, delivering competitive, clean electricity to large energy buyers. Based in the U.S., Recurrent Energy is a wholly owned subsidiary of Canadian Solar Inc. and functions as Canadian Solar’s U.S. project development arm.

    Recurrent Energy has more than 4 GW of solar projects in development in the U.S. Additional details are available at www.recurrentenergy.com.

  • RES Group

    RES is a leading development, engineering, construction, and operations company with a portfolio of 12 GW of utility-scale wind, solar, and energy storage projects across the globe.

    RES has operated in North America for 20 years and has over 100 MW of energy storage facilities in operation, under construction, and in development throughout the United States and Canada.

  • SaltX Technology

    SaltX Technology is an award-winning company in Sweden which has developed a worldwide patented ground-breaking nano-technology, storing energy in salt for an unlimited amount of time to provide heating and/or cooling.

    The company is primarily focusing on large scale energy storage, which is required to deal with the inconsistency of renewable energy supply. SaltX´s innovation, built with nano-coated salt technology, is a circular thermal energy storage solution that provides peak shifting to energy grid providers, industrial and commercial customers. With a low cost SaltX Energy Storage is enabling the full transition to renewable energy, globally.

  • San Diego Gas & Electric

    SDG&E is a regulated public utility that provides safe and reliable energy service to 3.4 million consumers through 1.4 million electric meters and more than 865,000 natural gas meters in San Diego and southern Orange counties.

  • Sandia National Laboratories

    For more than 60 years, Sandia has delivered essential science and technology to resolve the nation's most challenging security issues.

  • Schneider Electric

    Schneider Electric is leading the Digital Transformation of Energy Management and Automation in Homes, Buildings, Data Centers, Infrastructure and Industries. With global presence in over 100 countries, Schneider is the undisputable leader in Power Management – Medium Voltage, Low Voltage and Secure Power, and in Automation Systems.

    We provide integrated efficiency solutions, combining energy, automation and software. In our global Ecosystem, we collaborate with the largest Partner, Integrator and Developer Community on our Open Platform to deliver real-time control and operational efficiency. We believe that great people and partners make Schneider a great company and that our commitment to Innovation, Diversity and Sustainability ensures that Life Is On everywhere, for everyone and at every moment.

  • Siemens Gamesa

    Siemens Gamesa hybrid systems leverage the advantages of the complementary energy profiles of wind and solar power, together with the benefits that storage brings to the renewable mix. Being a pioneer in multi-MW offgrid and hybrid systems the company brings both the technical expertise on hybrid plants sizing,

    manufacturing, installation and service solutions along with a solid background in energy EPC projects. Our expertise allows us to provide our customers with hybrid systems tailored to their business case, reducing project LCoE, and supplying a higher percentage of renewable, environmentally friendly, more stable and cost-effective energy to the grid.

  • Sinexcel

    With 10Mw+ & 100+ sites installed in all States, the bi-directional storage inverters, which ETL certified according to UL9540 & CPUC/HECO listed, from wall-mounted 30kW to modular rack 500kW

    and the pre-engineered container BESS from 10 ft to 20ft/40ft by Sinexcel offered good flexibility and stability for the Community, Commercial and Industrial user. California based SINEXCEL INC is providing both AC and DC coupled solar plus storage solution that applicable for Demand Charge management, Grid Support, Renewable Smoothing, Self Generation and Off-grid use. The VDE-4105 & UK G59 certified and AUS/NZ CEC listed inverters are also proven solution for GERMANY/UK/Oceania.

  • SMA - America

    As a leading global specialist for photovoltaic system technology, SMA is setting the standards today for the decentralized and renewable energy supply of tomorrow. More than 3,000 SMA employees in 20 countries have devoted themselves to this task.

    Our innovative solutions for all photovoltaic applications and our unsurpassed service offer our customers worldwide greater independence in meeting their energy needs.

  • SNC-Lavalin

  • Solar Turbines

    Solar Turbines Incorporated , a wholly owned subsidiary of Caterpillar, has more than 65 years of experience as a leading industrial energy solutions provider. Solar Turbines product portfolio includes Gas Turbine Generator Sets, Microgrids and, more recently, Energy Storage.

    Solar Turbines has more than 15,000 units in over 100 countries, served by 65 offices and facilities worldwide and by one thousands field service representatives, offering a superior Customer Support Service.

  • Southern California Edison

    We are looking ahead to create a 21st century power network that can handle California's changing energy needs. Sophisticated technologies will be delivering electricity more reliably than ever, keeping outages to a minimum, and facilitating our customers' choices in adopting new technologies to generate their own energy and monitoring...

  • Southern Company

    With 4.4 million customers and more than 46,000 megawatts of generating capacity, Atlanta-based Southern Company is the premier energy company serving the Southeast.

  • Southern Research

    Southern Research (SR) is an independent, 501(c)(3) nonprofit, scientific research organization with more than 400 scientists and engineers working across four divisions: Drug Discovery, Drug Development, Engineering, and Energy & Environment. SR supports the pharmaceutical, biotechnology, defense, aerospace, environmental,

    and energy industries as we work on behalf of the National Cancer Institute, the NIH, the U.S. Department of Defense, the U.S. Department of Energy, NASA, major aerospace firms, utility companies, and other private and government organizations. We pursue entrepreneurial and collaborative initiatives to develop and maintain a pipeline of intellectual property and innovative technologies that positively impact real-world problems.

  • Standard Solar

  • Stantec

    The Stantec community unites approximately 22,000 employees working in over 400 locations across 6 continents. We collaborate across disciplines and industries to bring buildings, energy and resource, environmental, water, and infrastructure projects to life.

    Our work—engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, construction services, project management, and project economics, from initial project concept and planning through to design, construction, commissioning, maintenance, decommissioning, and remediation—begins at the intersection of community, creativity, and client relationships. Stantec trades on the TSX and the NYSE under the symbol STN. Visit us at stantec.com.

  • Sterling Municipal Light Company

    The Sterling Municipal Light Department (SMLD) is a progressive public power utility located 10 miles NNE of Worcester, Massachusetts in the Town of Sterling. Our primary building was originally the 1883 Sterling High School.

    Serving the town of Sterling for over 100 years, we have more than 3,700 residential, commercial, municipal and industrial customers.

  • Stornetic GmbH

    Stornetic GmbH is a spin-off of an internationally acting energy company. 50 Years of experience with high speed rotation are the basis for the high tech flywheels, type EnWheel®, designed according to the state of the art using carbon fiber and active magnetic bearings. Several EnWheel® and auxiliary equipment form the DuraStor® System.

    Representing a durable, load cycle resistant, and temperature insensitive short term storage system solution for stationary applications. DuraStor® comes with up to 1MW in a 40’ Container. www.stornetic.com

  • Strata Solar

    Strata Solar is a turn-key solar and energy storage provider. With over 1.5 GW of solar energy commissioned and more than 4.0 GW under development – Strata Solar ranks among the top 5 solar providers in America.

    Strata Solar is a national leader of utility-scale and commercial rooftop solar energy and energy storage systems. Strata's unique, low impact, standardized approach to solar farm creation is supported through its vertical divisions which offer complete turnkey services for the design, construction and installation of utility and commercial photovoltaic and energy storage systems. Strata also offers a full array of development, engineering, procurement, construction, operation and...

  • Sunnova

    Sunnova is a different kind of power company, offering rooftop solar service to homeowners within and outside the United States through our network of local sales and installation partners. Our mission is to change the energy industry by providing the choice of low-cost, worry-free solar power that generates long-term savings for our customers and...

  • Sunwoda Electronic Co., Ltd.

    Sunwoda, a high-tech enterprise which is established in 1997, focuses on the research, design, manufacture, sales of Li-ion battery modules. As a leading provider for Li-ion battery modules, Sunwoda is also committed to providing energy storage solution to any customer.

  • Tennessee Valley Authority

    The Tennessee Valley Authority is a corporate agency of the United States that provides electricity for business customers and local power distributors serving 9 million people in parts of seven southeastern states.

    TVA’s current research efforts focus on grid modernization, energy utilization and DER integration by engaging strategic partners such as EPRI, NRECA, regional universities and national laboratories to benefit our customers and the 154 local power companies that serve them.

  • Tradewind Energy

    Tradewind Energy is one of the largest U.S. utility-scale wind and solar power development companies, and currently has an expanding energy storage portfolio with over 750 MW of energy storage projects in development across multiple states.

  • UL

    UL certifies, validates, tests, verifies, inspects, audits, advises and educates. We provide the knowledge and expertise to help customers navigate growing complexities across the supply chain from compliance and regulatory issues to trade challenges and market access. In this way, we facilitate global trade and deliver peace of mind.

  • UniEnergy Technologies

    Founded in 2012, UET provides turn-key, megawatt-scale energy storage solutions that simultaneously deliver both power and energy for commercial/industrial, microgrid, and utility applications. Those applications can be combined or “stacked” to provide maximum capacity and value to the customer.

  • US BlackRock Renewable Power

    We take a consultative approach to help institutional investors worldwide build alternatives portfolios and pursue alpha. BlackRock's alternative investment managers are supported by our firm's global resources and feature one of the most comprehensive alternatives platforms in the world,

    offering a unique breadth and depth across asset classes.

  • Vinson & Elkins LLP

    For almost a century, Vinson & Elkins lawyers have provided innovative business solutions for clients whose needs are as diverse as the entities they represent. In today's challenging environment of global markets, volatile economies, and complex human and environmental issues,

    our law firm’s time-tested role as trusted advisor has become even more critical.

  • Vionx Energy

    Vionx Energy has commercialized a breakthrough design for vanadium redox flow technology under exclusive license from United Technologies Corporation (UTC) delivering twice the power at higher efficiency. Vionx is configuring this technology to focus on long-duration applications of up to 10 hour runtimes.

  • Viridity Energy

    Viridity Energy is a leading renewable power producer with fifty years of experience. Our diversified approach and global presence provide reliable power solutions to both utility and enterprise clients.

  • VRB Energy

    Pu Neng is a fast-growing, global clean technology innovator. We have developed the most reliable, longest-lasting vanadium flow battery in the world, with over 30 MWh of systems deployed and over 800,000 hours of demonstrated performance.

    Our vanadium redox batteries (VRB®) store energy in liquid electrolyte in a patented process based on the reduction and oxidation of ionic forms of the element vanadium. This is a nearly infinitely repeatable process that is safe, reliable, and non-toxic. Components can be nearly 100% recycled at end-of-life, dramatically improving lifecycle economics and environmental benefits compared to lead-acid, lithium and other battery systems.

  • Westwood Professional Services

    Westwood Professional Services (Westwood) is engaged in supporting the demand to develop energy storage for utility grid management. We provide the surveying, environmental permitting, and civil engineering essentials for constructing a battery energy storage system,

    and the electrical engineering knowledge to ensure seamless integration with the balance of plant or grid interconnection. Westwood’s storage project experience includes multiple systems and services for developers, EPCs, and storage integrators. Westwood is a leading multi-disciplined surveying and engineering service provider for solar, wind, and power delivery projects. We serve clients across the nation from multiple U.S. offices and are licensed across the country.

  • WGL Energy

    WGL Energy delivers a full spectrum of energy offerings, including electricity, natural gas, renewable energy, carbon reduction, distributed generation and energy efficiency solutions provided by WGL Energy Services, Inc. and WGL Energy Systems, Inc. To learn more, visit us at www.wglenergy.com.

    Follow us at @wglenergy on Twitter and WGL Energy on LinkedIn.

Full Members - Start Up

  • 127 Energy

    127 Energy is a focused team of energy and clean technology professionals with deep expertise creating sustainable power generation solutions for: Commercial & Business: Corporations, Public & Governmental Entities; and Grid Independent Power Systems: Islands, Remote Industrial Facilities, & Businesses with a high need for business...

  • Ardent Edge

    Ardent Edge provides a battery module board and rack combiner box that handles both the BMS and PCS functions of the energy storage system. This architecture is more cost-effective, efficient, and reliable than traditional PCS, string inverters, or micro-inverters. Our goal is to reduce ESS capital costs by $100/kW.

  • Brenmiller Energy

    Brenmiller Energy Ltd. was Founded in 2012 by Mr. Avi Brenmiller, former CEO of Siemens CSP and Solel, and a team of experts in the field of renewable energy. Brenmiller Energy's knowledge and expertise are well-grounded and are based on years of field experience in designing

    building and operating solar power plants in Spain and in US, since the 1980’s, of over 500MW.

  • Candela Renewables

    Candela Renewables, LLC is an independent developer of utility-scale solar and storage power projects. We are headquartered in San Francisco, CA.

  • CleanCapital

  • ConnectGen LLC

  • East Point Energy

  • FastGrid

    Fast Grid Energy, an Arizona-based firm founded in 2016, is a leader in the energy storage and solar energy space. We provide design, analysis, and detailed engineering as well as development support services for storage and solar projects throughout the USA.

    We have designed and engineered greater than 1GWh of energy storage and 3GW of solar projects for IPPs, utilities, developers, EPCs, government, education, commercial, industrial, retail, hospitality, and professional sports teams. We understand your objectives and critical needs from our decades of experience in traditional and renewable power generation. Our approach to our clients is to serve as collaborative partners with a shared goal of project execution.

  • FlexGen

    FlexGen® combines power conversion, energy storage and high speed controls to fortify, clean, and improve generating assets and power systems. FlexGen's Power Control systems are designed and built to integrate with existing power systems and SCADA controls.

  • Forefront Power Development

    The ForeFront Power team has more than a decade of renewable industry experience, serving business, public sector, and wholesale power customers around the world. Our team has developed over 800 MW of capacity across more than 1,000 projects,

    targeted on assisting public sector agencies and C&I firms to deliver the most impactful behind-the-meter, off-site, and wholesale solutions. ForeFront Power is a wholly owned subsidiary of Mitsui & Co., Ltd., a global energy infrastructure and investment leader.

  • Fresh Technologies

    FRESH Technologies Waste Destruction and Resource Recovery is turning unusable waste into reusable resources.

  • GlidePath Power Solutions

    GlidePath is a leading independent developer of battery storage and advanced energy systems. Based in Chicago, IL, Glidepath has successfully completed the development of 80 MW of storage projects and operates a nationwide renewable energy portfolio.

  • KORE Lithium Technologies

  • Longitude 122 West

  • NantEnergy

    NantEnergy’s innovative Zinc-based rechargeable batteries and energy management software are fundamentally changing the way we generate, store, and use electricity. Our mission is to deliver clean energy solutions that benefit people, business and the planet,

    with energy storage systems that cost less, function longer, and are far better for the environment than the lead-acid batteries and diesel generators they replace. Thanks to our technology, more than 200,000 people in villages across rural Indonesia and Africa have access to electricity, while our commercial and industrial customers have seen significant reductions in their electricity demand charges, in some cases eliminating them entirely.

  • Nikola Power

    Our team is comprised of industry veterans in renewable energy project development, structured finance, and battery analytics. The leaders of Nikola Power have developed more than 100 MW of solar and battery storage projects in the United States, Canada, and the Caribbean

    — and have driven innovation in the renewables industry for over 10 years.

  • Peak Power

    Peak Power works with numerous vendors across technology platforms to ensure the most suited solutions are provided for customers. We only work with the best-in-class technology partners, trusted execution partners, and reputable financing partners.

  • Pine Gate Renewables

    Pine Gate Renewables develops, owns, and operates utility-scale solar farms across the U.S. Our team specializes in project siting, development, financing, construction and operation.

    We’re community-focused and relationship-driven, bringing transparency to every partnership involved in project development. With 400+ MW of operational solar farms across the country and more in development, Pine Gate Renewables is committed to changing our energy future for the better.

  • Prisma Energy

    We enable the benefits of energy storage and provide finance, systems and asset management solutions for projects in North America and the Caribbean.