Tuana Springs
Twin Falls County, Idaho · EIA plant ID 57136 · Operator: Tuana Springs Energy LLC
Nameplate17MWSummer 17 MW
Generators1in service
Net generation27GWh12 mo to Aug 2026
Capacity factor18%wind units, summer MW
Heat rate—thermal plants only
First online2010
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), wind units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2010 | 26.2 | 26.5% | — |
| 2011 | 37.2 | 25.3% | — |
| 2012 | 36.5 | 24.8% | — |
| 2013 | 33.2 | 22.6% | — |
| 2014 | 34 | 23.1% | — |
| 2015 | 27.5 | 18.7% | — |
| 2016 | 34.6 | 23.5% | — |
| 2017 | 29.5 | 20.0% | — |
| 2018 | 33.2 | 22.5% | — |
| 2019 | 30.1 | 20.5% | — |
| 2020 | 33.2 | 22.5% | — |
| 2021 | 33.2 | 22.5% | — |
| 2022 | 30.1 | 20.4% | — |
| 2023 | 30.4 | 20.6% | — |
| 2024 | 31.5 | 21.4% | — |
| 2025 | 28.2 | 19.1% | — |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1 | Onshore Wind Turbine | WT | 16.8 | 16.8 | May 2010 | Operating | — | suzlon S88-2100 |
Owner / operator
Operator: Tuana Springs Energy LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Tuana Springs Energy LLC | 100.0% | 17 MW |
Nearby plants
Within 80 km.
| Cassia Gulch | 19 MW | 2 km |
| High Mesa | 40 MW | 2.2 km |
| Thousand Springs Wind Park | 12 MW | 4.7 km |
| Bliss | 75 MW | 5 km |
| Cassia Wind | 8 MW | 5.6 km |
| Oregon Trail Wind Park | 14 MW | 6.2 km |