Tuana Springs — Plant Summary
- EIA Plant ID
- 57136
- Capacity
- 16.8 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Twin Falls, ID
- Operating Since
- 2010
- Generators
- 1
- Operator
- Tuana Springs Energy, LLC
- Parent Company
- Exelon
- Annual Generation
- 28,171 MWh
- Capacity Factor
- 19.2%
- Balancing Authority
- Idaho Power Company
- ISO/RTO
- —
- NERC Region
- WECC
Tuana Springs
OperatingWind
Ranked #27 of 34 Wind plants in ID#1119 of 1442 nationally
16.8 MW Wind operating in Twin Falls, ID — Idaho Power Company
EIAGEMWD
16.8 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2010
Operating Since
Location
Coordinates
42.8935, -115.0172
County
Twin Falls, ID
Nearby Plants
- High MesaWind40 MW · 1.8 km
- Cassia GulchWind18.9 MW · 1.9 km
- Thousand Springs Wind ParkWind12 MW · 4.3 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 | Tuana Springs Energy, LLC | Exelon | — |
| Owner(s) | Tuana Springs Energy, LLC | Exelon | — |
| Status | Operating | operating | — |
Ownership Chain
About
The Tuana Springs wind power plant is located in Twin Falls County, Idaho. The facility has a total capacity of 16.8 MW and commenced operations in 2010. It consists of a single generator utilizing onshore wind turbine technology. The plant is owned by Exelon and operated by Tuana Springs Energy, LLC.
Tuana Springs operates within the Idaho Power Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In the most recent year with available data, the plant generated 28,171 MWh, achieving a capacity factor of 19.2%. Tuana Springs is ranked as the 27th largest out of 34 wind plants in Idaho, and 1107th nationally out of 1424 wind plants. Financial data indicates that the plant has a power purchase agreement (PPA) price of $73.3 per MWh.
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
2.3K MWh
Latest Month
28.2K MWh
Annual Generation
19.2%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Electric Quarterly ReportsHIGH
$73.3/MWh
PPA Price
Tuana Springs Energy, LLC
Contract Seller
Per-Unit Cost Trends
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (7)Beta
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
General
Illinois utility invests nearly US$1 million in West Aurora's EV school transportation future
ComEd, a unit of Chicago-based utility Exelon Corporation, has awarded West Aurora School District 129 nearly US$1 million in EV rebates.
EV Infrastructure News·4 months ago
General
ComEd substation upgrade to help add 2.45 GW of renewables in Illinois
US utility ComEd, a spin-off of US energy company Exelon Corp (NASDAQ:EXC), will work on a major substation expansion project to enable the...
Renewables Now·2 years ago
General
ComEd substation upgrade to help add 2.45 GW of renewables in Illinois
US utility ComEd, a spin-off of US energy company Exelon Corp (NASDAQ:EXC), will work on a major substation expansion project to enable the...
Renewables Now·2 years ago
Last updated 2026-03-26
View all 7 articles