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2.5 MW BESS operating in Anne Arundel, MD — PJM Interconnection, LLC
2.5 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
38.7538, -76.5894
County
Anne Arundel, MD
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Baltimore Gas & Electric Co | — | — |
| Owner(s) | Baltimore Gas & Electric Co | — | — |
| Status | Operating | — | — |
The Fairhaven power plant, located in Anne Arundel County, Maryland, is a 2.5 MW battery energy storage system (BESS) that began operating in 2024. The plant is owned and operated by Baltimore Gas & Electric Co. It utilizes one generator and is fueled by electricity (MWH) stored in lithium-ion batteries (LIB). The BESS has a total storage capacity of 7.1 MWh, providing a duration of approximately 2.84 hours at its full capacity.
Fairhaven operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. As a battery storage facility, its primary function is to provide grid services and support the integration of renewable energy sources. The plant is ranked as the second-largest of three battery storage facilities in Maryland and holds a national ranking of 1091 out of 1205 similar facilities.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
−53 MWh
Net Charging
-128 MWh
Annual Net Energy
-0.6%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $3.4M
Market Position
ISO/RTO Market
PJM
LMP Node
MARTT HL34.5 KV FAIRHABS
Pricing Hub
WESTERN HUB
Alt. Hub / Zone
DOMINION HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
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Grid Voltage
13.8 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility