Great Bay Solar 1 — Plant Summary
- EIA Plant ID
- 59851
- Capacity
- 75 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Somerset, MD
- Operating Since
- 2018
- Generators
- 1
- Operator
- Great Bay Solar I LLC
- Parent Company
- —
- Annual Generation
- 134,592 MWh
- Capacity Factor
- 20.5%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Great Bay Solar 1
OperatingSolar
Ranked #4 of 184 Solar plants in MD#957 of 7447 nationally
75 MW Solar operating in Somerset, MD — PJM Interconnection, LLC
EIAGEMWD
75 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2018
Operating Since
Location
Coordinates
38.1398, -75.6650
County
Somerset, MD
Nearby Plants
- Eastern Correctional InstituteDistillate Oil5.8 MW · 4.0 km
- UMMS at PocomokeSolar2.8 MW · 6.4 km
- UMES (MD) - Princess AnneSolar2 MW · 7.4 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Great Bay Solar I LLC | Pioneer Green Solar | — |
| Owner(s) | Great Bay Solar I LLC | Pioneer Green Solar [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Pioneer Green Solar [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Great Bay Solar 1 is a 75 MW solar photovoltaic power plant located in Somerset County, Maryland. The plant began operating in 2018 and is owned and operated by Great Bay Solar I LLC. It consists of a single generator utilizing fixed-tilt solar tracking technology. The plant is interconnected to the PJM Interconnection, LLC balancing authority, within the RFC NERC region.
In its most recent year of operation, Great Bay Solar 1 generated 134,592 MWh of electricity, achieving a capacity factor of 20.5%. According to available data, Great Bay Solar 1 ranks as the 4th largest out of 183 solar plants in Maryland, and 797th out of 7108 solar plants nationally. Financial data for the plant is available from LBNL, though specific details are not provided.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
6.9K MWh
Latest Month
134.6K MWh
Annual Generation
20.5%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$60.6/MWh
LCOE (Levelized Cost)
$41.1/MWh
Energy Value
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Kings Creek Substation · 138 kV
Substation Distance
1.079 km
Operator
Delmarva Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
KINGSCRK34.5 KV PERRY2SP
Pricing Hub
WESTERN HUB
Location Type
Generation Node
Node Source
Curated node match
News & Articles (2)Beta
Industry·corporate
State’s solar power increases by the day. Which Maryland counties lead the way?
Somerset County's three utility-scale projects, including Great Bay, combine for a total of 79.8 megawatts, topping Washington County's 11 utility-scale solar...
Somerset County (other)Great Bay (other)
DelmarvaNow.com·2 years ago
Industry·corporate
Biggest solar farm in Maryland may rise in Somerset
Corn and soybean fields in Somerset County formerly ticketed for wind turbines may now become home to one of the largest solar power plants...
Somerset County (other)Maryland (other)
DelmarvaNow.com·10 years ago
Last updated 2026-03-14
View all articles