How many battery storage projects are in Maryland?

3, with 6 MW of nameplate capacity between them, spread over 3 counties. That is the EIA-860M operating count for 2026-07.

Is there a map of Maryland battery storage projects?

Yes — the map above. Each dot is one battery storage project, sized by nameplate capacity and placed at the coordinates EIA files for it.

Which is the largest battery storage project in Maryland?

Fairhaven, at 3 MW. The table is sorted largest first, so the rest follow it.

Is there a battery storage project near me in Maryland?

The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.

Which grid operator runs Maryland's battery storage projects?

Most of them sit inside PJM, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.

How current is this, and what is left out?

EIA-860M for 2026-07. EIA technology "Batteries" — grid-connected electrochemical storage of 1 MW and above. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.

Battery Storage Projects in Maryland

Every operating battery storage project in Maryland on EIA-860M for 2026-07: 3 plants, 4 storage units and 6 MW of nameplate capacity across 3 counties, most of it inside PJM.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 3; 4 generating units
Nameplate capacity: 6 MW
Counties: 3
Grid operator: PJM; covers most of these plants

Map of battery storage projects in Maryland

Every one of the 3 plants is drawn at the coordinate EIA files for it.

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Battery · 3

List of battery storage projects in Maryland

Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.

battery storage projects in Maryland

FairhavenBatteries	Baltimore Gas & Electric Co	Anne Arundel	2.5	1	2024	Operating
Federalsburg Energy Storage 1 LLC2 technologies	Convergent Energy and Power LP	Caroline	2	2	2021	Operating
Chesapeake Beach BESSBatteries	Chesapeake Beach BESS LLC	Calvert	1.1	1	2023	Operating

Largest battery storage projects in Maryland

1FairhavenAnne Arundel County, Maryland2.5 MW
2Federalsburg Energy Storage 1 LLCCaroline County, Maryland2 MW
3Chesapeake Beach BESSCalvert County, Maryland1.1 MW

Battery storage projects by county in Maryland

The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.

County	Plants	Nameplate MW
Anne Arundel	1	2.5
Caroline	1	2
Calvert	1	1.1

Battery Storage Projects in Maryland: FAQ

How many battery storage projects are in Maryland?: 3, with 6 MW of nameplate capacity between them, spread over 3 counties. That is the EIA-860M operating count for 2026-07.
Is there a map of Maryland battery storage projects?: Yes — the map above. Each dot is one battery storage project, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest battery storage project in Maryland?: Fairhaven, at 3 MW. The table is sorted largest first, so the rest follow it.
Is there a battery storage project near me in Maryland?: The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
Which grid operator runs Maryland's battery storage projects?: Most of them sit inside PJM, according to the balancing-authority code EIA files against each plant. Live conditions for that market are on this site.
How current is this, and what is left out?: EIA-860M for 2026-07. EIA technology "Batteries" — grid-connected electrochemical storage of 1 MW and above. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.