PLEASE NOTE: ESA is now part of the American Clean Power Association (ACP). This website material is not regularly updated and is for archival and reference purposes only. Please visit for more information.

The electricity system of today and tomorrow relies on energy storage expansion, inclusion and integration.

IMPORTANT: ESA is Merging with ACP Effective January 1, 2022. Read More >>

The U.S. Energy Storage Association (“ESA”) is the national trade association dedicated to energy storage, working toward a more resilient, efficient, sustainable, and affordable electricity grid—as is uniquely enabled by energy storage. With more than 200 members, ESA represents a diverse group of companies, including independent power producers, electric utilities, energy service companies, financiers, insurers, law firms, installers, manufacturers, component suppliers, and integrators involved in manufacturing, deploying and operating energy storage systems around the globe. Further, our members work with all types of energy storage technologies and chemistries, including lithium-ion, advanced lead-acid, flow batteries, zinc-air, liquid air, compressed air, and pumped hydro among others.

Our organization represents a broad spectrum of energy storage technologies, including mechanical, thermal, electrochemical and pumped hydropower.

Every day we act on behalf of our members and the broader energy storage industry to accelerate markets, connect our members and educate stakeholders.

Our Vision

The U.S. Energy Storage Association is the leading national voice that advocates and advances the energy storage industry to realize its 100 GW by 2030 goal, resulting in a better world through a more resilient, efficient, sustainable, and affordable electricity grid.

Our Mission

ESA’s mission is to accelerate the widespread use of competitive and reliable energy storage systems in North America. To achieve this mission, ESA will educate stakeholders, advocate for public policies, accelerate market growth, and deliver direct member value.

Our Core Values

ESA is committed to enabling a more resilient, efficient, sustainable, and affordable electricity grid. Our employees are committed to the mission and vision of ESA; and our organization is committed to our employees’ well-being to realize the mission and vision. ESA and its staff share the values of Passion, Excellence, Integrity, Inclusion and Fairness.

Our Core Principles

Consistent with its values, ESA and its members believe:

  1. That energy storage serves as a central catalyst for modernizing and creating a more reliable and resilient, efficient, sustainable, and affordable grid.
  2. There should be open and fair competition among all market participants – including third-party suppliers and utilities, on the grid and behind-the-meter, to deploy high-quality, cost-effective energy storage projects that benefit consumers. This requires fair access to data and interconnection for all participants to facilitate an equal playing field for competition.
  3. The full value provided by energy storage should be recognized in markets and regulatory constructs, and barriers to the integration of energy storage should be removed at the transmission, distribution, and consumer level.

Become a Member

Join ESA - the National Network of Energy Storage Stakeholders

Learn More About Membership