Clearwater Paper IPP Lewiston
Nez Perce County, Idaho · EIA plant ID 50637 · Operator: Clearwater Paper Corporation
Nameplate114MWSummer 55 MW
Generators4in service
Net generation484GWh12 mo to Aug 2026
Capacity factor84%other units, summer MW
Heat rate4,587Btu/kWhfossil units, electric fuel, HHV
First online1950
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), 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) |
|---|---|---|---|
| 2001 | 537.7 | 71.7% | 11,143 |
| 2002 | 511 | 71.2% | 28,462 |
| 2003 | 185.6 | 32.0% | 28,078 |
| 2004 | 513.7 | 82.7% | 12,544 |
| 2005 | 500.7 | 81.5% | 12,544 |
| 2006 | 478.6 | 79.6% | 12,544 |
| 2007 | 434.4 | 77.5% | 12,932 |
| 2008 | 419.7 | 86.0% | 12,162 |
| 2009 | 449.7 | 81.2% | 12,156 |
| 2010 | 435.9 | 82.4% | 12,156 |
| 2011 | 443.8 | 81.7% | 12,157 |
| 2012 | 421.6 | 82.6% | 12,160 |
| 2013 | 419.4 | 89.6% | 12,156 |
| 2014 | 379.9 | 83.1% | 12,231 |
| 2015 | 404.9 | 85.1% | 12,168 |
| 2016 | 416.9 | 81.8% | 4,595 |
| 2017 | 346.6 | 68.4% | 4,599 |
| 2018 | 368.5 | 77.8% | 4,603 |
| 2019 | 413 | 72.3% | 4,593 |
| 2020 | 419.8 | 72.2% | 4,591 |
| 2021 | 398.7 | 71.8% | 4,593 |
| 2022 | 392.2 | 71.7% | 4,597 |
| 2023 | 383.1 | 69.5% | 4,594 |
| 2024 | 375.7 | 61.1% | 4,603 |
| 2025 | 462.9 | 82.5% | 4,588 |
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 | 10 | 2 | Jan 1950 | Operating (Out of service) | — | coming soon |
| GEN2 | Wood/Wood Waste Biomass | ST | 10 | 3.3 | Nov 1977 | Operating (Out of service) | — | coming soon |
| GEN3 | Wood/Wood Waste Biomass | ST | 28.8 | 25.2 | Jul 1981 | Operating | — | coming soon |
| GEN4 | Wood/Wood Waste Biomass | ST | 65 | 24 | Feb 1991 | Operating | — | coming soon |
Owner / operator
Operator: Clearwater Paper Corporation. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Clearwater Paper Corporation | 100.0% | 114 MW |
Nearby plants
Within 80 km.
| Grimes Way | 4 MW | 36.5 km |
| Biotech LS 0836 | 1 MW | 37.2 km |
| Lower Granite | 810 MW | 43.5 km |
| Dworshak | 465 MW | 53 km |
| Marengo Wind Plant | 234 MW | 61.6 km |
| Hopkins Ridge Wind | 157 MW | 65.7 km |