USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordProposed

Tucson, AZ · EIA plant 68937

Roadrunner Reserve Phase 2

Roadrunner Reserve Phase 2 is a storage power facility in Tucson, AZ, with 200 MW of proposed capacity.

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

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Storage200 MW
Reported technologiesBatteries

Nearby in AZ

Related facilities

AZ · 506.5 miSpringerville1,779 MW →AZ · 509.6 miWestern Renewable Energy3 MW →AZ · 515.5 miDouglas26 MW →AZ · 517.4 miCoronado822 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