Altech IIIRetired
Riverside County, California · EIA plant ID 50485 · Operator: Terra-Gen Operating Co LLC
×25 MW wind retired since 2020 (latest Feb 2020)
Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—thermal plants only
First online—
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), primary-fuel 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) |
|---|---|---|---|
| 2001 | 64.5 | 29.3% | — |
| 2002 | 58 | 26.4% | — |
| 2003 | 45.1 | 20.5% | — |
| 2004 | 46.1 | 20.9% | — |
| 2005 | 46.2 | 21.0% | — |
| 2006 | 44.6 | 20.3% | — |
| 2007 | 49.4 | 22.5% | — |
| 2008 | 44.1 | 20.0% | — |
| 2009 | 44.6 | 20.3% | — |
| 2010 | 45.2 | 20.5% | — |
| 2011 | 45.6 | 20.7% | — |
| 2012 | 39.4 | 17.8% | — |
| 2013 | 37.7 | 17.1% | — |
| 2014 | 37.9 | 17.2% | — |
| 2015 | 28.8 | 13.1% | — |
| 2016 | 31 | 14.0% | — |
| 2017 | 21.5 | 9.8% | — |
| 2018 | 9.2 | 4.2% | — |
| 2019 | 5 | 2.3% | — |
| 2020 | 0 | 0.0% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Onshore Wind Turbine | WT | 21.7 | 21.7 | Dec 1985 | Retired Feb 2020 | — | micon M110 |
| GEN2 | Onshore Wind Turbine | WT | 3.4 | 3.4 | Dec 1984 | Retired Feb 2020 | — | micon M66/13 |
Owner / operator
Operator: Terra-Gen Operating Co LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Nearby plants
Within 80 km.
| Indigo Energy Facility | 150 MW | 0.5 km |
| Phoenix Wind Power LLC | 2 MW | 0.5 km |
| Wagner Wind LLC | 6 MW | 0.7 km |
| North Palm Springs 4A | 4 MW | 0.9 km |
| Karen Avenue Wind Farm | 12 MW | 1 km |
| Mountain View I&2 | 71 MW | 1.1 km |