Encogen — Plant Summary
- EIA Plant ID
- 7870
- Capacity
- 176.4 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Whatcom, WA
- Operating Since
- 1993
- Generators
- 4
- Operator
- Puget Sound Energy Inc
- Parent Company
- PUGET HOLDINGS
- Annual Generation
- 354,059 MWh
- Capacity Factor
- 22.9%
- Balancing Authority
- Puget Sound Energy
- ISO/RTO
- —
- NERC Region
- WECC
Encogen
OperatingNatural Gas
Ranked #10 of 16 Natural Gas plants in WA#779 of 2009 nationally
176.4 MW Natural Gas operating in Whatcom, WA — Puget Sound Energy
EIAWD
176.4 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combined Cycle
Technology
1993
Operating Since
Location
Coordinates
48.7460, -122.4860
County
Whatcom, WA
Nearby Plants
- Ferndale Generating StationNatural Gas285.5 MW · 17.3 km
- WhitehornNatural Gas169.2 MW · 24.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Puget Sound Energy Inc | Puget Sound Energy | — |
| Owner(s) | Puget Sound Energy Inc | PUGET HOLDINGS | — |
| Status | Operating | — | — |
Ownership Chain
About
Encogen is a 176.4 MW natural gas-fired combined cycle power plant located in Whatcom County, Washington. The plant began operating in 1993 and consists of four generators. It is owned by PUGET HOLDINGS and operated by Puget Sound Energy Inc. Encogen is within the Puget Sound Energy balancing authority and the WECC NERC region.
In the most recent year of data, Encogen generated 354,059 MWh, achieving a capacity factor of 22.9%. According to available data, the installed cost of the plant was $912.12 per kW. Encogen is ranked as the 10th largest power plant out of 13 in Washington state, and 778th out of 945 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Puget Sound Energy
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
604 MWh
Latest Month
354.1K MWh
Annual Generation
22.9%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$1,020/kW
Installed Cost
$44.4/MWh
Operating Cost
Puget Sound Energy, Inc.
Reporting Utility
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 (9)Beta
Industry·technology
Local energy capture system exceeds code, leads state
Energy center to capture and redistribute waste energy is the first of its kind in Washington — and puts Western ahead in fossil-fuel...
Salish Current·9 months ago
Industry·technology
‘Putting Bellingham on the map’: Port celebrates sustainable energy system
The waterfront system harnesses and recycles waste heat from PSE's existing energy plant.
PSE (operator)
Bellingham Herald·9 months ago
Industry·technology
Corix district energy system launches in Bellingham, Washington, waterfront neighborhood
The system, which captures waste heat for districtwide heating and cooling, is expected to help the district meet Washington state energy code requirements.
Corix (developer)
Facilities Dive·1 years ago
Grid·outage
A maxed-out power grid: What it takes to keep the lights on in Whatcom County
Northwest Washington's power grid faces increased challenges: from increased reliance on intermittent energy sources, to extreme weather, wildfires and even...
Cascadia Daily News·2 years ago
Last updated 2026-03-14
View all 9 articles