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 3items · current page 1–3 · Source records, not unique facilities.
Power assets and projects · USA · eia860m
Lower Monumental / 2
Generator · Out of service
Metric or condition
Source value
Basis, scope and stage
Nameplate Capacity (MW)
135 MW
Original source column definition · Generator · (OA) Out of service but expected to return to service in next calendar year As-of date 2026-08 Sources EV-569a0669ac6d38bf62669bba
Net Summer Capacity (MW)
135 MW
Original source column definition · Generator · (OA) Out of service but expected to return to service in next calendar year As-of date 2026-08 Sources EV-569a0669ac6d38bf62669bba
Net Winter Capacity (MW)
135 MW
Original source column definition · Generator · (OA) Out of service but expected to return to service in next calendar year As-of date 2026-08 Sources EV-569a0669ac6d38bf62669bba
Detailed source fields
Original source field
Published value or condition
Entity ID
19400
Entity Name
USACE Northwestern Division
Plant ID
3927
Plant Name
Lower Monumental
Google Map
Map
Bing Map
Map
Plant State
WA
County
Walla Walla
Balancing Authority Code
BPAT
Sector
Electric Utility
Generator ID
2
Nameplate Capacity (MW)
135
Net Summer Capacity (MW)
135
Net Winter Capacity (MW)
135
Technology
Conventional Hydroelectric
Energy Source Code
WAT
Prime Mover Code
HY
Operating Month
10
Operating Year
1969
Status
(OA) Out of service but expected to return to service in next calendar year
Latitude
46.5635
Longitude
-118.5397
Original text
(OA) Out of service but expected to return to service in next calendar year
