SPI Anderson 2
Shasta County, California · EIA plant ID 59658 · Operator: Sierra Pacific Industries Inc
Nameplate30MWSummer 27 MW
Generators1in service
Net generation122GWh12 mo to Dec 2025
Capacity factor51%other units, summer MW
Heat rate4,662Btu/kWhfossil units, electric fuel, HHV
First online2015
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), other 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.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2015 | 35.5 | 35.4% | 13,745 |
| 2016 | 121 | 50.6% | 4,635 |
| 2017 | 138.1 | 57.9% | 4,743 |
| 2018 | 150.4 | 63.0% | 4,736 |
| 2019 | 160.9 | 67.4% | 4,670 |
| 2020 | 153 | 63.9% | 4,645 |
| 2021 | 147.5 | 61.6% | 4,659 |
| 2022 | 118.9 | 49.9% | 4,711 |
| 2023 | 141.6 | 59.3% | 4,670 |
| 2024 | 117.8 | 48.7% | — |
| 2025 | 122.1 | 50.9% | 4,662 |
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 | Wood/Wood Waste Biomass | ST | 30.2 | 27.2 | Aug 2015 | Operating | — | coming soon |
Owner / operator
Operator: Sierra Pacific Industries Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Sierra Pacific Industries Inc | 100.0% | 30 MW |
Nearby plants
Within 80 km.
| Wheelabrator Shasta | 55 MW | 6.2 km |
| Redding Power | 183 MW | 9.2 km |
| Shasta College PH2 Solar Project | 2 MW | 17 km |
| Keswick | 117 MW | 18.6 km |
| Coleman PH | 12 MW | 18.7 km |
| Spring Creek | 180 MW | 21.1 km |