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118 MW Solar operating in Somerset, MD — PJM Interconnection, LLC
118 MW
Nameplate Capacity
2
Generators
units
Solar Photovoltaic
Technology
2018
Operating Since
Coordinates
38.1398, -75.6650
County
Somerset, MD
Nearby Plants
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 | — |
| Status | Operating | operating | — |
GEM identifies the owner as Pioneer Green Solar
This entity is not yet in the GEM ownership database — chain unavailable.
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
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
6.9K MWh
Latest Month
134.6K MWh
Annual Generation
20.5%
Capacity Factor
Data from 2018–2024
$41.1/MWh
Energy Value
$5.5/MWh
Capacity Value
Point 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
Alt. Hub / Zone
DOMINION HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Great Bay Solar 1PJM Interconnection, LLC (PJM)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP