USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

Tucson, AZ · EIA plant 67905

Roadrunner Reserve Phase 1

Roadrunner Reserve Phase 1 is a storage power facility in Tucson, AZ, with 200 MW of operating capacity.

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Operating capacity200 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityTucson Electric Power CoEIA-reported operator
Balancing authorityTEPCTucson Electric Power Company

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Storage200 MW
ProposedNo proposed capacity reported
Reported technologiesBatteries

Nearby in AZ

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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