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Preliminary 2025 facility recordOperating

Shaver Lake, CA · EIA plant 6100

Helms Pumped Storage

Helms Pumped Storage is a hydro power facility in Shaver Lake, CA, with 1,053 MW of operating capacity.

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Operating capacity1,053 MW3 operating generators
Proposed capacity0 MW0 proposed generators
UtilityPacific Gas & Electric Co.EIA-reported operator
Balancing authorityCISOCalifornia Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro1,053 MW
ProposedNo proposed capacity reported
Reported technologiesHydroelectric Pumped Storage

Nearby in CA

Related facilities

CA · 7.6 miHaas135 MW →CA · 10.6 miBalch 131 MW →CA · 10.6 miBalch 297 MW →CA · 14.3 miKings River PH49 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