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4 MW Solar operating in Somerset, ME — ISO New England Inc.
4 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2021
Operating Since
Coordinates
44.8475, -69.4512
County
Somerset, ME
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Madison Energy Holdings LLC | Madison Energy Holdings | — |
| Owner(s) | Madison Energy Holdings LLC | — | — |
| Status | Operating | operating | — |
Hartland Solar is a 4 MW solar photovoltaic power plant located in Somerset County, Maine. The plant, which began operating in 2021, is owned and operated by Madison Energy Holdings LLC. It consists of a single generator utilizing fixed-tilt solar tracking technology. Hartland Solar is interconnected to the ISO New England Inc. balancing authority within the Northeast Power Coordinating Council (NPCC) NERC region.
In its most recent year of operation, Hartland Solar generated 6,923 MWh of electricity, achieving a capacity factor of 19.7%. The plant is ranked as the 99th largest in Maine out of 153 power plants, and nationally it is ranked 3,436 out of 7,108. The plant's primary fuel source is solar energy.
Generated from EIA, GEM, and public data sources
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
266 MWh
Latest Month
6.9K MWh
Annual Generation
19.7%
Capacity Factor
Data from 2022–2024
$31.3/MWh
Energy Value
$2.8/MWh
Capacity Value
Point of Interconnection
Nearest Substation
Hartland Substation · 115 kV
Substation Distance
2.417 km
Operator
Central Maine Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
LD.HARTLAND12.5
Pricing Hub
.Z.MAINE
Location Type
NETWORK NODE
Node Source
Curated node match
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ISO New England Inc. (ISNE)
Grid Voltage
12.47 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP