176.4 MW Natural Gas operating in Whatcom, WA — Puget Sound Energy
176.4 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combined Cycle
Technology
1993
Operating Since
Coordinates
48.7460, -122.4860
County
Whatcom, WA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Puget Sound Energy Inc | Puget Sound Energy | — |
| Owner(s) | Puget Sound Energy Inc | PUGET HOLDINGS | — |
| Status | Operating | — | — |
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
NERC Region
WECC
Balancing Authority
Puget Sound Energy
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
604 MWh
Latest Month
354.1K MWh
Annual Generation
22.9%
Capacity Factor
$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
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
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