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176.4 MW Natural Gas operating in Whatcom, WA
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
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Request a demo →| 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
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Puget Sound Energy (PSEI)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
604 MWh
Latest Month
354.1K MWh
Annual Generation
22.9%
Capacity Factor
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Request a demo →CO₂ Intensity
1041 lb/MWh
NOx
0.230 lb/MWh
SO₂
0.018 lb/MWh
CH₄
0.020 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
58.4%
Annual Net Gen
903 GWh
CO₂eq
1043 lb/MWh
Subregion
WECC Northwest
Combined cycle · Puget Sound Energy, Inc. · Data from 2015–2024
$1,020/kW
Installed Cost
$14/kW
Annual CapEx
$44.4/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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Request a demo →This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
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