← Back to map

LaGrande

Pierce County, Washington · EIA plant ID 3916 · Operator: City of Tacoma - (WA)
HydroConventional HydroelectricBA: TPWR
Nameplate64MWSummer 64 MW
Generators5in service
Net generation291GWh12 mo to Dec 2025
Capacity factor52%hydro units, summer MW
Heat rate—thermal plants only
First online1912

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
010203040GWh2001200320052007200920112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), hydro units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%25%50%75%2005201020152020202551.9% · 12 mo

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
YearNet GWhCapacity factorHeat rate (Btu/kWh)
2001242.143.2%—
2002324.757.9%—
2003299.353.4%—
2004290.851.7%—
2005188.533.6%—
2006354.163.2%—
2007311.955.6%—
2008332.659.2%—
200939.47.0%—
2010357.963.8%—
201140472.0%—
2012423.675.3%—
2013349.462.3%—
2014385.868.8%—
2015318.856.9%—
2016378.267.3%—
201739971.2%—
2018331.759.2%—
2019244.643.6%—
202034761.7%—
2021336.660.1%—
2022343.861.3%—
2023277.149.4%—
2024297.352.9%—
2025291.251.9%—

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 IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
1Conventional HydroelectricHY66Nov 1912Operating—coming soon
2Conventional HydroelectricHY66Nov 1912Operating—coming soon
3Conventional HydroelectricHY66Nov 1912Operating—coming soon
4Conventional HydroelectricHY66Nov 1912Operating—coming soon
5Conventional HydroelectricHY4040Sep 1945Operating—coming soon

Owner / operator

Operator: City of Tacoma - (WA). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
City of Tacoma - (WA)100.0%64 MW

Nearby plants

Within 80 km.
Alder51 MW3.5 km
LRI LFGTE Facility5 MW16 km
Electron23 MW20.7 km
Skookumchuck Wind Facility136 MW26.3 km
Frederickson178 MW27.7 km
Frederickson Power LP318 MW28.4 km