Facts about SRP

As a community-based not-for-profit water and energy company, SRP acts in the best interest of the people it serves and strives to help build a better future for Arizona.

Today, SRP is one of the nation's largest public power utilities. We provide electricity to approximately 1 million retail customers in a 2,900-square-mile service area that spans three Arizona counties, including most of the Phoenix metropolitan area. We are an integrated utility, providing generation, transmission and distribution services, as well as metering and billing services.

SRP's water business is one of the largest raw-water suppliers in Arizona. We deliver about 800,000 acre-feet of water annually to a 375-square-mile service area and manage a 13,000-square-mile watershed that includes an extensive system of reservoirs, wells, canals and irrigation laterals.

Basic data FY17

Employees, year-end (regular) 5,186
Electric customers, year-end 1,026,118
Electric service area 2,900 sq. mi.
Water service area 375 sq. mi
Watershed 13,000 sq. mi.

Power data FY17

Peak - SRP retail customers (MW) 6,873
Peak - power system (MW) 7,543
Resources available to serve peak (MW) 8,452
Sales, total (GWh) 34,257
Sales, retail (GWh) 27,945

Financial data FY17

Data ($ in 000s)
Total operating revenues $3,084,688
Operating expenses, total $2,758,949
Net revenues for the year $247,837
Utility plant, gross $15,698,318
Electric revenue contributions to support water operations $58,209
Taxes & tax equivalents $166,898
Debt ratio 46.7
Debt service coverage ratio 3.57

Note: SRP operates on a fiscal year of May 1 through April 30.


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SRP's ownership interest in major power sources:

Facility SRP ownership interest Fuel
Agua Fria Generating Station (Ariz.) 100% of 614 MW oil/natural gas
Coronado Generating Station (Ariz.) 100% of 785 MW, units 1 & 2
100% of 500-kV transmission system
Craig Generating Station (Colo.) 29% (250 MW) of 863 MW, units 1 & 2 coal
Desert Basin Generating Station (Ariz.) 100% of 581 MW natural gas
Four Corners Generating Station (N.M.) 10% (154 MW) of 1,540 MW, units 4 & 5 coal
Hayden Generating Station (Colo.) 50% (130 MW) of 261 MW, unit 2 coal
Kyrene Generating Station (Ariz.) 100% of 410 MW natural gas
Mesquite Generating Station (Ariz.) 100% of 625 MW, block 1 natural gas
Navajo Generating Station (Ariz.) 42.9% (969 MW) of 2,250 MW, units 1, 2 & 3 coal
Palo Verde Nuclear Generating Station (Ariz.) 17.49% (688 MW) of 3,934 MW, units 1, 2 & 3 nuclear
Santan Generating Station (Ariz.) 100% of 1,219 MW natural gas
Springerville Generating Station (Ariz.) 100% of 417 MW, unit 4 coal

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Water data

Data (acre-feet)
Water deliveries 779,466
Reservoir storage capacity 2,306,690
Water in storage, FY16 end 1,746,536
Runoff 572,533

Note: Water data is by calendar year ending Dec. 31, 2016, unless noted.

SRP dams and lakes

Dam Lake
Bartlett Dam Bartlett Lake
C.C. Cragin Dam C.C. Cragin Reservoir
Granite Reef Dam --
Horse Mesa Dam Apache Lake
Horseshoe Dam Horseshoe Lake
Mormon Flat Dam Canyon Lake
Stewart Mountain Dam Saguaro Lake
Theodore Roosevelt Dam Roosevelt Lake

SRP sustainable portfolio FY17

Energy Efficiency Megawatt-hours
Commercial DSM 1,232,719
Residential DSM 1,069,397
M-Power 273,020
SRP facility EE savings 2,376
Total Energy Efficiency 2,577,512
Renewable energy
Biomass 105,490
Hydropower 672,731
Geothermal 289,305
Solar 383,948
Wind 251,076
Renewable energy credits 61,431
Total renewable energy 1,763,981
Banked credits 257,078
Total sustainable portfolio - MWh 4,598,571
Total sustainable portfolio – % of retail requirements 15.875%

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