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Preliminary 2025 facility recordOperating

Metaline, WA · EIA plant 6433

Boundary

Boundary is a hydro power facility in Metaline, WA, with 1,160 MW of operating capacity.

Open on mapView WA profileOpen EIA source
Operating capacity1,160 MW6 operating generators
Proposed capacity0 MW0 proposed generators
UtilityCity of Seattle - (WA)EIA-reported operator
Balancing authoritySCLSeattle City Light

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro1,160 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

Nearby in WA

Related facilities

WA · 14.6 miBox Canyon90 MW →WA · 20.5 miSheep Creek Hydro2 MW →WA · 42.2 miMeyers Falls2 MW →WA · 43.0 miKettle Falls Generating Station58 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source