Preliminary 2025 facility recordOperating

Phoenix, AZ · EIA plant 150

Stewart Mountain

Stewart Mountain is a hydro power facility in Phoenix, AZ, with 13 MW of operating capacity.

Operating capacity13 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilitySalt River ProjectEIA-reported operator
Balancing authoritySRPSalt River Project

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro13 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

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