How many oil-fired power plants are in Washington?

3, with 19 MW of nameplate capacity between them, spread over 3 counties. That is the EIA-860M operating count for 2026-07.

Is there a map of Washington oil-fired power plants?

Yes — the map above. Each dot is one oil-fired power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.

Which is the largest oil-fired power plant in Washington?

University of Washington Power Plant, at 15 MW. The table is sorted largest first, so the rest follow it.

Is there a oil-fired power plant near me in Washington?

The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.

Which grid operator runs Washington's oil-fired power plants?

No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Washington is largely a vertically integrated utility rather than an organised market.

How current is this, and what is left out?

EIA-860M for 2026-07. Petroleum liquids and petroleum coke. Many are peakers or standby units. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.

Oil-Fired Power Plants in Washington

Every operating oil-fired power plant in Washington on EIA-860M for 2026-07: 3 plants, 9 generating units and 19 MW of nameplate capacity across 3 counties.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 3; 9 generating units
Nameplate capacity: 19 MW
Counties: 3
Grid operator: Mixed; no single ISO covers a majority

Map of oil-fired power plants in Washington

Every one of the 3 plants is drawn at the coordinate EIA files for it.

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Petroleum · 3

List of oil-fired power plants in Washington

Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.

oil-fired power plants in Washington

University of Washington Power Plant2 technologies	University of Washington	King	15	7	1993	Standby/Backup
Crystal MountainPetroleum Liquids	Puget Sound Energy Inc	Pierce	2.7	1	1969	Standby/Backup
Biotech LS 0836Petroleum Liquids	Washington State University	Whitman	1	1	2009	Standby/Backup

Largest oil-fired power plants in Washington

1University of Washington Power PlantKing County, Washington15 MW
2Crystal MountainPierce County, Washington2.7 MW
3Biotech LS 0836Whitman County, Washington1 MW

Oil-fired power plants by county in Washington

The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.

County	Plants	Nameplate MW
King	1	15
Pierce	1	2.7
Whitman	1	1

Oil-Fired Power Plants in Washington: FAQ

How many oil-fired power plants are in Washington?: 3, with 19 MW of nameplate capacity between them, spread over 3 counties. That is the EIA-860M operating count for 2026-07.
Is there a map of Washington oil-fired power plants?: Yes — the map above. Each dot is one oil-fired power plant, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest oil-fired power plant in Washington?: University of Washington Power Plant, at 15 MW. The table is sorted largest first, so the rest follow it.
Is there a oil-fired power plant near me in Washington?: The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
Which grid operator runs Washington's oil-fired power plants?: No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Washington is largely a vertically integrated utility rather than an organised market.
How current is this, and what is left out?: EIA-860M for 2026-07. Petroleum liquids and petroleum coke. Many are peakers or standby units. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.