Sierra Pacific Aberdeen
Grays Harbor County, Washington · EIA plant ID 55882 · Operator: Sierra Pacific Industries Inc
Nameplate18MWSummer 17 MW
Generators1in service
Net generation91GWh12 mo to Dec 2025
Capacity factor60%other units, summer MW
Heat rate—thermal plants only
First online2003
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.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2003 | 63.7 | 54.2% | — |
| 2004 | 121.2 | 86.2% | — |
| 2005 | 125.7 | 83.5% | — |
| 2006 | 121.6 | 84.2% | — |
| 2007 | 111.3 | 73.9% | — |
| 2008 | 117 | 78.8% | — |
| 2009 | 119.6 | 78.0% | — |
| 2010 | 122.2 | 78.8% | — |
| 2011 | 124.8 | 85.8% | — |
| 2012 | 117.9 | 80.4% | — |
| 2013 | 119.3 | 78.7% | — |
| 2014 | 122.1 | 80.1% | — |
| 2015 | 124.2 | 81.5% | — |
| 2016 | 118.7 | 77.7% | — |
| 2017 | 122.4 | 80.3% | — |
| 2018 | 122.4 | 80.3% | — |
| 2019 | 117.8 | 77.3% | — |
| 2020 | 124.6 | 81.5% | — |
| 2021 | 123.1 | 80.8% | — |
| 2022 | 118.6 | 77.8% | — |
| 2023 | 105.2 | 69.0% | — |
| 2024 | 128.4 | 84.0% | — |
| 2025 | 91.4 | 60.0% | — |
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 | Wood/Wood Waste Biomass | ST | 18 | 17.4 | Mar 2003 | 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% | 18 MW |
Nearby plants
Within 80 km.
| Cosmo Specialty Fibers Plant | 15 MW | 2.3 km |
| Grays Harbor Energy Facility | 715 MW | 22.3 km |
| Coastal Energy Project | 6 MW | 29.8 km |
| Wynoochee | 13 MW | 47.6 km |
| Cushman 2 | 85 MW | 64 km |
| Cushman 1 | 50 MW | 64.6 km |