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42 MW Wind operating in Aroostook, ME — New Brunswick System Operator
42 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2007
Operating Since
Coordinates
46.5416, -67.8116
County
Aroostook, ME
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 | Evergreen Wind, LLC | TerraForm Power Operating LLC | — |
| Owner(s) | Evergreen Wind, LLC | TerraForm Power Operating LLC | — |
| Status | Operating | operating | — |
GEM identifies the owner as TerraForm Power Operating LLC
This entity is not yet in the GEM ownership database — chain unavailable.
The Mars Hill Wind Farm Project is a 42 MW wind power facility located in Aroostook County, Maine. The plant began operating in 2007 and is owned and operated by Evergreen Wind, LLC. It utilizes a single onshore wind turbine generator. The facility is connected to the New Brunswick System Operator balancing authority within the Northeast Power Coordinating Council (NPCC) NERC region.
The wind farm's latest annual generation was 118,868 MWh, achieving a capacity factor of 32.3%. The plant's wind turbine has a hub height of 80 meters and a rotor diameter of 77 meters. The turbine was manufactured by GE Wind and is model GE1.5-77. Mars Hill Wind Farm Project is ranked as the 12th largest wind farm in Maine out of 22, and 967th nationally out of 1424.
Generated from EIA, GEM, and public data sources
Grid Region
Other
Market
Bilateral Market
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
12.3K MWh
Latest Month
118.9K MWh
Annual Generation
32.3%
Capacity Factor
2013
$1,895/kW
Est. Construction Cost
Total estimated cost: $79.6M
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
View all 5 articlesNo ask pi reports yet for this entity.
ask pi about Mars Hill Wind Farm ProjectNew Brunswick System Operator (NBSO)
Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP