March 31, 2020

Maryland Regulators Approve Interconnection Changes Requested by ESA for Customer-Sited Storage

Today, the Maryland Public Service Commission approved updates to small generator interconnection standards that ESA previously advocated. Key among the modifications is allowing the use of the net system capacity of a storage-plus-solar system, rather than requiring aggregation of the capacity of the storage and solar separately, when studying its impacts on the distribution system. Additionally, the new interconnection rules allow for brief inadvertent exports from systems that may occur when a customer load drops suddenly. These updated regulations should make interconnection of behind-the-meter energy storage less cumbersome and more cost-effective.

ESA’s CEO, Kelly Speakes-Backman, provided this statement:

“Today, even in the midst of the COVID pandemic, Maryland regulators took an important step to remove barriers for customers looking to enhance their resilience by installing energy storage in their homes and business,” said Kelly Speakes-Backman, CEO of ESA. “The Public Service Commission (PSC) wisely adopted common-sense reforms to the interconnection process, such as examining customers’ intended use of solar-paired energy storage systems and making accommodations that provide better reliability for customers with storage. ESA has advocated for these regulations and we commend Chair Stanek and the Commission for making these updates that will provide customers more options for bill management and on-site resilience.”


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