Review power assets, contract observations, facility specifications and relationships from public sources.
This partial collection preserves source-level observations. Generation and registered connection capacity are distinct from spare supply capacity for data centers. Planned dates and contract announcements do not confirm energization or supply commencement.
Current filters 2items · current page 1–2 · Source records, not unique facilities.
Power assets and projects · USA · eia860
Sumas Power Plant
Generation facilities · Unverified
Metric or condition
Source value
Basis, scope and stage
Grid Voltage (kV)
115 kV
Original source column definition · Power plant · Unverified As-of date 2025 Sources EV-79b9104f5fdb4e1b6007a121
Detailed source fields
Original source field
Published value or condition
Utility ID
15500
Utility Name
Puget Sound Energy Inc
Plant Code
54476
Plant Name
Sumas Power Plant
Street Address
1340 Thompson Lane
City
Sumas
State
WA
Zip
98295
County
Whatcom
Latitude
48.9905
Longitude
-122.2733
NERC Region
WECC
Balancing Authority Code
PSEI
Balancing Authority Name
Puget Sound Energy
Name of Water Source
Municipality
Primary Purpose (NAICS Code)
22
Regulatory Status
RE
Sector
1
Sector Name
Electric Utility
FERC Cogeneration Status
Y
FERC Cogeneration Docket Number
90-217-003
FERC Small Power Producer Status
N
FERC Exempt Wholesale Generator Status
N
Ash Impoundment?
N
Ash Impoundment Lined?
X
Transmission or Distribution System Owner
Puget Sound Energy Inc
Transmission or Distribution System Owner ID
15500
Transmission or Distribution System Owner State
WA
Grid Voltage (kV)
115
Energy Storage
N
Natural Gas LDC Name
PUGET SOUND ENERGY
Natural Gas Pipeline Name 1
PUGET SOUND ENERGY
Natural Gas Storage
N
Liquefied Natural Gas Storage
X
Coordinate accuracy
source_precision_not_independently_surveyed
source_record_id
2___Plant_Y2025.xlsx#Plant:3753
Coordinates locate the plant, including when this record describes one generator.
Location: Plant location · not an individual generator location
Sources, reference dates and retrieval dates 1itemseia860 ↗
Data Source 2025 · Retrieved 2026-10-05
Source: U.S. Energy Information Administration (EIA), 2025 final / August 2026 preliminary.
