Mountain Home — Plant Summary
- EIA Plant ID
- 56636
- Capacity
- 21 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Elmore, ID
- Operating Since
- 2008
- Generators
- 1
- Operator
- Hot Springs Windfarm, LLC
- Parent Company
- Exelon
- Annual Generation
- 33,053 MWh
- Capacity Factor
- 18.0%
- Balancing Authority
- Idaho Power Company
- ISO/RTO
- —
- NERC Region
- WECC
Mountain Home
OperatingWind
Ranked #23 of 34 Wind plants in ID#1088 of 1442 nationally
21 MW Wind operating in Elmore, ID — Idaho Power Company
EIAGEMWD
21 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2008
Operating Since
Location
Coordinates
43.0289, -115.4658
County
Elmore, ID
Nearby Plants
- Two Ponds WindfarmWind23 MW · 2.0 km
- Ryegrass WindfarmWind23 MW · 2.2 km
- Hammett Hill WindfarmWind23 MW · 2.3 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 | Hot Springs Windfarm, LLC | Exelon | — |
| Owner(s) | Hot Springs Windfarm, LLC | Exelon | — |
| Status | Operating | operating | — |
Ownership Chain
About
The Mountain Home wind power plant is located in Elmore County, Idaho. The facility has a total capacity of 21 MW and began operating in 2008. It is owned by Exelon and operated by Hot Springs Windfarm, LLC. The plant utilizes a single onshore wind turbine generator. Mountain Home is ranked as the 22nd largest of 34 wind plants in Idaho, and 1069th nationally out of 1424 wind plants.
The plant's primary fuel source is wind (WND). The wind turbine has a hub height of 79 meters and a rotor diameter of 88 meters. The turbine was manufactured by Suzlon and is model S88. In its latest year of operation, Mountain Home generated 33,053 MWh, achieving a capacity factor of 18.0%. The balancing authority for the plant is Idaho Power Company, and it operates within the Western Electricity Coordinating Council (WECC) NERC region.
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
2.6K MWh
Latest Month
33.1K MWh
Annual Generation
18.0%
Capacity Factor
Jan 2023 – Dec 2025
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 (10)Beta
General
Connie Cruser Obituary (1940 - 2026) - Mountain Home, ID - Idaho Press Tribune
Mountain Home - Connie Marie (Collins) Cruser of Mountain Home, Idaho passed away peacefully on Monday March 16th, 2026, at the age of 86.
Legacy | Obituary·Yesterday
General
Summit County residents encouraged to tap energy-saving resources to cut utility bills
SUMMIT COUNTY, Utah — For residents hoping to save on utility bills, several free and low-cost tools are available to help reduce monthly...
TownLift Park City·4 weeks ago
Industry·capacity addition
Idaho Power plans more generation via natural gas
Idaho Power plans to expand one natural gas-fired plant in southwest Idaho and build another as customer growth continues.
Idaho Power (operator)
Capital Press·4 weeks ago
General
NextEra Energy Transmission and Exelon Power Pennsylvania and West Virginia's Energy Future
JUNO BEACH, Fla. and CHICAGO, Dec. 8, 2025 /PRNewswire/ -- The regional grid operator, PJM Interconnection, has recommended NextEra Energy...
NextEra Energy Newsroom·3 months ago
Last updated 2026-03-26
View all 10 articles