Horse Mesa

General information

Waterway  Salt River
Current status   Active license 
Type of facility Conventional Hydro, Pumped Storage
Mode of hydropower generation Peaking
Type of permit Transferred

Ownership and operation

Owner Salt River Valley Water User's Association
Owner type Publicly Owned Utility
Year first online (conventional hydro) 1927
Year first online (pumped storage) 1972
Transmission or distribution system owner Salt River Project

Power and generating capacity

Number of units 4
Total capacity from hydraulic turbine-generator units within each plant 29.7 mW
Average annual net hydropower generation 36,537.0 mWH
Total capacity from pumped storage turbine-generator units 99.8 mW
Pumped storage gross generation in megawatt hours for each powerplant 152,693.9 mWH

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