COMAR 20.50.14.01. Applicability

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Code of Maryland Regulations › Title 20 PUBLIC SERVICE COMMISSION › Subtitle 50 SERVICE SUPPLIED BY ELECTRIC COMPANIES › Chapter 14 Energy Storage › COMAR 20.50.14.01

This text was captured on Aug 14, 2026. It is a snapshot, not a live feed, so check the official code before relying on it.

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A. This chapter applies to the following:

(1) All front-of-the meter energy storage devices in Maryland pursuant to Public Utilities Article, §7 –219, Annotated Code of Maryland.

(2) Any energy storage devices eligible to be enrolled or registered in the Maryland Energy Storage Program pursuant to Public Utilities Article, §7-216 .1, Annotated Code of Maryland.

B. Electric vehicles that are part of a renewable on-site generating system and mobile energy storage devices are ineligible for registration in the Maryland Energy Storage Program pursuant to Public Utilities Article, §7-1005(E)(2)(II)(1), Annotated Code of Maryland .

C. A virtual power plant or microgrid is ineligible for registration in the Maryland Energy Storage Program as a stand-alone energy storage device.

D. Any energy storage device that constitutes part of a virtual power plant, microgrid, or a renewable on-site generating system, except as specified in Regulation .01B of this chapter , is eligible to register in the Maryland Energy Storage Program or enroll in Administrator Initiatives.

E. Electric company owned energy storage devices used for substation control, support, and emergency back-up of utility equipment and facilities are exempt from the requirements of this chapter.

F. An energy storage device as defined in Public Utilities Article, §7-216, Annotated Code of Maryland that off-sets grid demand, but does not deliver energy to the grid, shall not be subject to the requirements of in Regulation .03 of this chapter , except for §G of this regulation and other conditions as determined by the Commission for inclusion in a Maryland Energy Storage Program Initiative.

(1) The applicant shall make a filing with the Commission regarding the technical details of its proposed energy storage device and the applicant’s rationale for inclusion in a Maryland Energy Storage Program Initiative.

gulation .03 of this chapter , except for §G of this regulation and other conditions as determined by the Commission for inclusion in a Maryland Energy Storage Program Initiative.

(2) The Commission shall determine the next steps necessary to consider the matter as a special case in the Maryland Energy Storage Program.

G. Applicable Standards. Unless otherwise specified by the Commission, an energy storage device shall, to the extent applicable, comply with the provisions in the National Fire Protection Association (NFPA) 855 Standard for the Installation of Stationary Energy Storage Systems, 2023 Edition, which is incorporated by reference in Regulation .03 of this chapter .

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