Rockland Wind Farm — Plant Summary
- EIA Plant ID
- 57766
- Capacity
- 79.2 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Power, ID
- Operating Since
- 2011
- Generators
- 1
- Operator
- Ridgeline Energy LLC
- Parent Company
- —
- Annual Generation
- 250,606 MWh
- Capacity Factor
- 36.1%
- Balancing Authority
- Idaho Power Company
- ISO/RTO
- —
- NERC Region
- WECC
Rockland Wind Farm
OperatingWind
Ranked #5 of 34 Wind plants in ID#831 of 1442 nationally
79.2 MW Wind operating in Power, ID — Idaho Power Company
EIAGEMWD
79.2 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2011
Operating Since
Location
Coordinates
42.6870, -112.9155
County
Power, ID
Nearby Plants
- American FallsHydro92.4 MW · 10.6 km
- Power County Wind Park SouthWind22.5 MW · 12.8 km
- Power County Wind Park NorthWind22.5 MW · 14.3 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 | Ridgeline Energy LLC | Ridgeline Energy | — |
| Owner(s) | Ridgeline Energy LLC | Leeward Energy [50%]; CVC DIF [50%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Leeward Energy [50%]; CVC DIF [50%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Rockland Wind Farm is a 79.2 MW wind power facility located in Power County, Idaho. The plant began operating in 2011 and is owned and operated by Ridgeline Energy LLC. It utilizes onshore wind turbine technology and consists of a single generator. The facility ranks as the 5th largest wind farm in Idaho out of 34, and 822nd nationally out of 1424.
The wind farm's turbines have a hub height of 80 meters and a rotor diameter of 100 meters. The turbines were manufactured by Vestas, model V100-1.8. In the most recent year of data, the plant generated 250,606 MWh of electricity, achieving a capacity factor of 36.1%. The plant operates within the Western Electricity Coordinating Council (WECC) NERC region and is under the balancing authority of the Idaho Power Company.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Idaho Power Company
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
24.5K MWh
Latest Month
250.6K MWh
Annual Generation
36.1%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (3)Beta
Industry·other
Infrastructure Investment
Experience: Utilities and Regulated Assets, Solar, Wind District, Energy Systems, Conventional Generation, Midstream, Telecommunications, Transportation.
Mayer Brown·2 years ago
Grid·outage
Traffic lanes reopen after transformer fire closes Rockland’s Payne Avenue at Park Street
ROCKLAND — A transformer fire in Rockland might be the cause of power outages in nearby Thomaston, Thursday, April 13. At 5:10 p.m.,...
PenBay Pilot·2 years ago
Deals·m and a
Two Illinois Gas Power Plants Acquired by Public Benefit Corporation Earthrise Energy
Two Eastern Generation natural gas power plants in northeastern Illinois have been acquired by Earthrise Energy, an emerging independent...
Earthrise Energy (buyer)Eastern Generation (seller)
POWER Magazine·3 years ago
Last updated 2026-03-14
View all articles