Q3 Outlook

Sumas Power Plant

EIA plant_id 54476·Public page
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Key facts

Capacity
Primary fuel
Status
Operating since
Generators
State
County
ISO / RTO
Balancing authority
Owner
Rank in state
Rank in US

Performance Analysis

Actuals only · EIA generation — no forecast run yet
Annual generation
675.8GWh
trailing 12 mo · actual
Capacity factor
61.5%
actual · ÷ 126 MW
Peak month
Jan '24
93.9 GWh
Lowest month
Apr
0 MWh
Historical mean window2015-12 – 2024-12 · 109 mo · mean 40.7 GWh

Dashed line = mean of actual generation over the window above. Adjust to exclude partial/ramp months — a fixed all-history mean can mislead.

Actual (EIA)Hist. meanActual EIA generation — no forecast run yet

Hazard Exposure

Detailed analysis hasn't been run. Modeled hazard populates this section once you run it · modeling_hazard_plant.

~seconds · workspace baseline

Insurance Gap Analysis

Roadmap · combines productivity + hazard above

Coming soon. Premium gap vs. exposure-based pricing — model substrate ready, underwriting curves pending.

Roadmap

Generators

2 units · 125.5 MW total· modeled at plant

Commercial arrangement

Merchant

No active commercial arrangement on record. The plant is selling at market unless a contract is added.

Context

Summary

The Sumas Power Plant is a 125.5 MW natural gas-fired combined cycle facility located in Whatcom County, Washington. The plant began operating in 1993 and consists of two generators. It is owned by PUGET HOLDINGS and operated by Puget Sound Energy Inc. The plant is within the Puget Sound Energy balancing authority and the WECC NERC region. In the most recent year with available data, the Sumas Power Plant generated 675,821 MWh, achieving a capacity factor of 61.2%. According to available rankings, the plant is the 13th largest in Washington state out of 13 plants, and 867th nationally out of 945 plants. Financial data indicates an installed cost of $567.48 per kW, based on FERC filings.