Chehalis Generating Facility — Plant Summary
- EIA Plant ID
- 55662
- Capacity
- 593.3 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Lewis, WA
- Operating Since
- 2003
- Generators
- 3
- Operator
- PacifiCorp
- Parent Company
- Berkshire Hathaway
- Annual Generation
- 2,337,422 MWh
- Capacity Factor
- 45.0%
- Balancing Authority
- Bonneville Power Administration
- ISO/RTO
- —
- NERC Region
- WECC
Chehalis Generating Facility
OperatingNatural Gas
Ranked #2 of 16 Natural Gas plants in WA#409 of 2009 nationally
593.3 MW Natural Gas operating in Lewis, WA — Bonneville Power Administration
EIAWD
593.3 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2003
Operating Since
Location
Coordinates
46.6225, -122.9131
County
Lewis, WA
Nearby Plants
- Transalta Centralia GenerationSub. Coal729.9 MW · 15.4 km
- SkookumchuckHydro1 MW · 23.3 km
- Skookumchuck Wind FacilityWind136 MW · 27.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PacifiCorp | PacifiCorp | — |
| Owner(s) | PacifiCorp | Berkshire Hathaway | — |
| Status | Operating | — | — |
Ownership Chain
About
The Chehalis Generating Facility is a 593.3 MW natural gas-fired combined cycle power plant located in Lewis County, Washington. The plant began operating in 2003 and consists of 3 generators. It is owned by Berkshire Hathaway and operated by PacifiCorp. The facility is the second-largest of 13 natural gas plants in Washington state, and ranks 414th out of 945 nationally. It operates within the Bonneville Power Administration balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In its most recent year of operation, the Chehalis Generating Facility produced 2,337,422 MWh of electricity, achieving a capacity factor of 45.0%. Financial data indicates an installed cost of $587.83 per kW. The plant also has a reported PPA price of $10.78 per MWh. Financial data is sourced from FERC and FERC EQRs.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Bonneville Power Administration
Grid Voltage
500 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
139.8K MWh
Latest Month
2.3M MWh
Annual Generation
45.0%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1, FERC Electric Quarterly ReportsHIGH
$10.8/MWh
PPA Price
PacifiCorp
Contract Seller
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Deals·m and a
US market | Berkshire-owned PacifiCorp, citing liquidity, sells Washington assets to Portland General Electric for $1.9 billion
PacifiCorp, a utility owned by Berkshire Hathaway, is selling wind, natural gas generation and distribution assets and infrastructure in...
PacifiCorp (seller)Berkshire Hathaway (other)
MSN·2 days ago
Deals·m and a
PGE will expand to Washington state, acquiring swath of PacifiCorp territory
Portland General Electric announced Tuesday that it will buy most of PacifiCorp's utility assets in the state of Washington for $1.9 billion...
PGE (buyer)Portland General Electric (buyer)
OregonLive.com·3 weeks ago
Deals·m and a
PGE to Acquire PacifiCorp’s Wash. Operations for $1.9B
Portland General Electric has agreed to buy most of PacifiCorp's Washington utility operations for $1.9 billion, PGE said.
PGE (buyer)Portland General Electric (buyer)
RTO Insider·3 weeks ago
Deals·m and a
Portland General Electric spends nearly $2B to expand in Washington, acquiring 140,000 customers from PacifiCorp
PacifiCorp is turning over its Washington customers to PGE along with resources crucial to generating and transmitting electricity in the...
Portland General Electric (buyer)PGE (buyer)
Oregon Public Broadcasting - OPB·3 weeks ago
Last updated 2026-03-14
View all 10 articles