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List of power stations in Arizona

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(Redirected from List of hydroelectric power stations in Arizona)

Sources of Arizona utility-scale electricity generation, full-year 2023:

  Natural gas (47.3%)  Nuclear (28.2%)  Coal (10.8%)  Solar (6.6%)  Hydroelectric (5.3%)  Wind (1.6%)  Biomass (0.2%)
Arizona electricity production by type

This is a list of electricity-generating power stations in the U.S. state of Arizona, sorted by type and name. In 2021, Arizona had a net summer capacity of 27,596 MW through all of its power plants, and a net generation of 109,305 GWh. The electrical energy generation mix in 2023 was 47.3% natural gas, 28.2% nuclear, 10.8% coal, 6.6% solar, 5.3% hydroelectric, 1.6% wind, and 0.2% biomass. Small-scale solar, including customer-owned photovoltaic panels, delivered an additional net 4,431 GWh to the state's electrical grid. This compares as about one-half the amount generated by Arizona's utility-scale solar plants.

Arizona's Palo Verde Nuclear Generating Station located to the west of Phoenix is the nation's largest facility by annual energy production, and is the second largest facility by power capacity after Washington state's Grand Coulee Dam hydroelectric station. The electricity generated by utility- and small-scale solar together surpassed the amount from all of Arizona's hydroelectric facilities for the first time in 2017.

Map all coordinates using OpenStreetMap

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Nuclear power stations

Name County Coordinates Capacity
(MW)
Year
opened
Ref
Palo Verde Nuclear Generating Station Maricopa County 33°23′17″N 112°51′42″W / 33.3881°N 112.8617°W / 33.3881; -112.8617 (Palo Verde) 3,937 1986 (Unit 1- 1,311 MW)
1986 (Unit 2- 1,314 MW)
1988 (Unit 3- 1,312 MW)

Fossil-fuel power stations

Data from the U.S. Energy Information Administration serves as a general reference.

Coal

Operating power plants
Name County Coordinates Capacity
(MW)
Year
opened
Scheduled
retirement
Refs
Apache Generating Station Cochise County 32°03′37″N 109°53′35″W / 32.0603°N 109.8931°W / 32.0603; -109.8931 (Apache Station) 204 1964 (Unit 1- 82MW)
1979 (Unit 2- 204MW)
1979 (Unit 3- 204MW)
2018 (Unit 1- ng convert)
2018 (Unit 2- ng convert)
TBD (Unit 3)
Cholla Power Plant Navajo County 34°56′22″N 110°18′12″W / 34.9394°N 110.3033°W / 34.9394; -110.3033 (Cholla Power Plant) 426 1962 (Unit 1- 114MW)
1978 (Unit 2- 289MW)
1980 (Unit 3- 312MW)
1981 (Unit 4- 414MW)
2025 (Unit 1)
2015 (Unit 2 closed)
2025 (Unit 3)
2020 (Unit 4 closed)
Coronado Generating Station Apache County 34°34′44″N 109°16′15″W / 34.5789°N 109.2708°W / 34.5789; -109.2708 (Coronado Station) 822 1979 (Unit 1- 411MW)
1980 (Unit 2- 411MW)
2032 (Unit 1)
2032 (Unit 2)
Springerville Generating Station Apache County 34°19′07″N 109°09′50″W / 34.3186°N 109.1639°W / 34.3186; -109.1639 (Springerville Station) 1,766 1985 (Unit 1- 425MW)
1990 (Unit 2- 425MW)
2006 (Unit 3- 458MW)
2009 (Unit 4- 458MW)
2027 (Unit 1)
2032 (Unit 2)
2031 (Unit 3)
TBD (Unit 4)
Retired power plants
Name County Coordinates Capacity
(MW)
Year
opened
Year
closed
Refs
Navajo Generating Station Coconino County 36°54′17″N 111°23′19″W / 36.9047°N 111.3886°W / 36.9047; -111.3886 (Navajo Station) 2,409 1974 (Unit 1- 803MW)
1975 (Unit 2- 803MW)
1976 (Unit 3- 803MW)
2019

Natural gas

Name County Coordinates Capacity
(MW)
Generation
type
Year
opened
Refs
Agua Fria Generating Station Maricopa County 33°33′22″N 112°12′55″W / 33.5561°N 112.2153°W / 33.5561; -112.2153 (Agua Fria) 626 Steam turbine (x3)
Simple cycle (x3)
1957/1958/1961 (407MW)
1974/1975 (219MW)
Apache Generating Station Cochise County 32°03′37″N 109°53′35″W / 32.0603°N 109.8931°W / 32.0603; -109.8931 (Apache) 285 Steam turbine (x2) 2018
(convert from coal)
Arlington Valley Plant Maricopa County 33°20′30″N 112°53′23″W / 33.3417°N 112.8897°W / 33.3417; -112.8897 (Arlington Valley) 69 2x1 combined cycle 2002
Coolidge Generating Station Pinal County 32°55′03″N 111°30′12″W / 32.9174°N 111.5033°W / 32.9174; -111.5033 (Coolidge) 575 Simple cycle (x12) 2011
Desert Basin Power Plant Pinal County 32°54′15″N 111°47′20″W / 32.9042°N 111.7889°W / 32.9042; -111.7889 (Desert Basin) 577 2x1 combined cycle 2001
Demoss Petrie Power Plant Pinal County 32°15′08″N 110°59′32″W / 32.2523°N 110.9921°W / 32.2523; -110.9921 (Demoss Petrie) 85 Simple cycle 2001
Gila River Generating Station Maricopa County 32°58′30″N 112°41′40″W / 32.9750°N 112.6944°W / 32.9750; -112.6944 (Gila River) 2,200 2x1 combined cycle (x4) 2003
Griffith Energy Mohave County 35°03′14″N 114°08′00″W / 35.0540°N 114.1333°W / 35.0540; -114.1333 (Griffith Energy) 654 2x1 combined cycle 2002
Harquahala Generating Station Maricopa County 33°28′34″N 113°06′48″W / 33.4760°N 113.1134°W / 33.4760; -113.1134 (Harquahala) 1092 1x1 combined cycle (x3) 2004
H. Wilson Sundt Generating Station Pima County 32°09′36″N 110°54′17″W / 32.1600°N 110.9047°W / 32.1600; -110.9047 (H Wilson Sundt Station) 502 Steam turbine (x2)
Simple cycle (x2)
Reciprocating engine (x5)
1962/1967 (360MW)
1972 (48MW)
2019 (94MW)
Kyrene Power Plant Maricopa County 33°21′20″N 111°56′07″W / 33.3556°N 111.9353°W / 33.3556; -111.9353 (Kyrene) 525 Steam turbine (x2)
Simple cycle (x3)
1x1 combined cycle
1952/1954 (106MW)
1971/1973 (165MW)
2002 (254MW)
Mesquite Power Plant Maricopa County 33°20′42″N 112°51′51″W / 33.3450°N 112.8642°W / 33.3450; -112.8642 (Mesquite) 1,250 2x1 combined cycle (x2) 2003
North Loop Power Plant Pima County 32°24′04″N 111°07′34″W / 32.4010°N 111.1262°W / 32.4010; -111.1262 (North Loop) 108 Simple cycle (x4) 1972/2001
Ocotillo Power Plant Maricopa County 33°25′21″N 111°54′44″W / 33.4225°N 111.9122°W / 33.4225; -111.9122 (Ocotillo) 916 Simple cycle (x7) 1972/1973/2019
Red Hawk Power Station Maricopa County 33°20′05″N 112°50′26″W / 33.3346°N 112.8406°W / 33.3346; -112.8406 (Red Hawk) 1,060 2x1 combined cycle (x2) 2002
Saguaro Power Plant Pinal County 32°33′06″N 111°18′00″W / 32.5517°N 111.3000°W / 32.5517; -111.3000 (Saguaro) 184 Simple cycle (x3) 1972/1973/2002
Santan Power Plant Maricopa County 33°19′57″N 111°45′01″W / 33.3325°N 111.7503°W / 33.3325; -111.7503 (Santan) 1,235 Combined cycle (x4)
2x1 combined cycle
1x1 combined cycle
1974/1975 (376MW)
2005 (582MW)
2006 (277MW)
Sundance Generating Station Pinal County 32°55′43″N 111°35′24″W / 32.9285°N 111.5899°W / 32.9285; -111.5899 (Sundance) 450 Simple cycle (x10) 2002
Valencia Power Plant Santa Cruz County 31°21′49″N 110°55′53″W / 31.3635°N 110.9313°W / 31.3635; -110.9313 (Valencia) 108 Simple cycle (x4) 1989/2006
West Phoenix Power Plant Maricopa County 33°26′30″N 112°09′30″W / 33.4417°N 112.1583°W / 33.4417; -112.1583 (West Phoenix) 920 Simple cycle (x2)
Combined cycle (x3)
2x1 combined cycle
1x1 combined cycle
1972/1973 (100MW)
1976 (255MW)
2001 (107MW)
2003 (458MW)
Yucca Power Plant Yuma County 32°43′17″N 114°42′38″W / 32.7214°N 114.7106°W / 32.7214; -114.7106 (Yucca) 250 Steam turbine
Simple cycle (x5)
1959 (75MW)
1971/1973/2008 (176MW)
Yuma Power Plant Yuma County 32°43′44″N 114°39′15″W / 32.7288°N 114.6541°W / 32.7288; -114.6541 (Yuma) 50 1x1 combined cycle 1994

Petroleum

Name County Coordinates Capacity
(MW)
Generation
type
Year
opened
Refs
Douglas Power Plant Cochise County 31°21′51″N 109°33′14″W / 31.3641°N 109.5538°W / 31.3641; -109.5538 (Douglas) 25 Simple cycle 1972
Yucca Power Plant Yuma County 32°43′17″N 114°42′38″W / 32.7214°N 114.7106°W / 32.7214; -114.7106 (Yucca) 71 Simple cycle (x2) 1971/1978

Renewable power stations

Data from the U.S. Energy Information Administration serves as a general reference.

Biomass & refuse

Name County Coordinates Capacity
(MW)
Fuel
type
Generation
type
Year
opened
Refs
Glendale Energy Plant Maricopa County 33°32′25″N 112°18′23″W / 33.5403°N 112.3064°W / 33.5403; -112.3064 (Glendale Landfill) 2.8 Landfill gas Reciprocating engine (x2) 2010
Northwest Regional Landfill Maricopa County 33°40′55″N 112°28′36″W / 33.6819°N 112.4767°W / 33.6819; -112.4767 (Northwest Regional Landfill) 3.2 Landfill gas Reciprocating engine (x2) 2012
Novo BioPower Plant Navajo County 34°30′12″N 110°20′06″W / 34.5032°N 110.3350°W / 34.5032; -110.3350 (Novo BioPower) 22 Wood/ wood waste Steam turbine 2008
Western Renewable Energy Apache County 34°05′35″N 109°17′24″W / 34.0930°N 109.2900°W / 34.0930; -109.2900 (Western RE Biomass) 2.5 Wood/ wood waste Steam turbine 2004

Hydroelectric dams

See also: List of dams and reservoirs in Arizona
Name County Coordinates Capacity
(MW)
Year
opened
Refs
Arizona Falls Maricopa County 33°29′24″N 111°57′32″W / 33.4899°N 111.9589°W / 33.4899; -111.9589 (Arizona Falls Hydro) 0.75 2003
C.C. Cragin Dam
(Blue Ridge)
Coconino County 34°33′16″N 111°11′50″W / 34.55444°N 111.19722°W / 34.55444; -111.19722 (C.C. Cragin Hydro) 1965
Childs-Irving Hydro Yavapai County 34°21′04″N 111°42′02″W / 34.3511°N 111.7006°W / 34.3511; -111.7006 (Childs-Irving Hydro) 4.2 1916 closed
Coolidge Dam Gila County 33°10′29″N 110°31′40″W / 33.1747°N 110.5279°W / 33.1747; -110.5279 (Coolidge Hydro) 10 1935 closed
Crosscut Hydro Maricopa County 33°26′22″N 111°56′46″W / 33.4394°N 111.9461°W / 33.4394; -111.9461 (Crosscut Hydro) 3.0 1939
Davis Dam Mohave County 35°11′49″N 114°34′15″W / 35.1970°N 114.5707°W / 35.1970; -114.5707 (Davis Hydro) 251 1951
Glen Canyon Dam Coconino County 36°56′12″N 111°29′02″W / 36.9366°N 111.4839°W / 36.9366; -111.4839 (Glen Canyon Hydro) 1,320 1964-1966
Headgate Rock La Paz County 34°10′06″N 114°16′39″W / 34.1683°N 114.2774°W / 34.1683; -114.2774 (Headgate Rock Hydro) 19.5 1993
Hoover Dam Mohave County 36°00′56″N 114°44′17″W / 36.0155°N 114.7380°W / 36.0155; -114.7380 (Hoover Dam Hydro) 2,080 1936-1943/
1952
Horse Mesa Dam Maricopa County 33°35′27″N 111°20′38″W / 33.5907°N 111.3440°W / 33.5907; -111.3440 (Horse Mesa Hydro) 129 1927
Mormon Flat Dam Maricopa County 33°33′13″N 111°26′35″W / 33.5536°N 111.4431°W / 33.5536; -111.4431 (Mormon Flat Hydro) 60 1926
Parker Dam La Paz County 34°17′43″N 114°08′25″W / 34.2953°N 114.1402°W / 34.2953; -114.1402 (Parker Dam Hydro) 120 1938
South Consolidated Hydro Maricopa County 33°27′59″N 111°46′52″W / 33.4665°N 111.7811°W / 33.4665; -111.7811 (South Consolidated Hydro) 1.4 1981
Stewart Mountain Dam Maricopa County 33°33′58″N 111°32′10″W / 33.5661°N 111.5360°W / 33.5661; -111.5360 (Stewart Mountain Hydro) 13 1930
Theodore Roosevelt Dam Gila/Maricopa 33°40′16″N 111°09′42″W / 33.6711°N 111.1618°W / 33.6711; -111.1618 (Roosevelt Hydro) 36 1973

Generating capacity at Hoover Dam is equally split between Arizona and Nevada. Its total capacity was derated to 1,596 MW in June 2014 due to persistently low water storage levels and projected further declines.

Solar thermal plants

See also: Solar power in Arizona
Name County Coordinates Capacity
(MW)
Year
opened
Ref
Solana Generating Station Maricopa County 32°55′20″N 112°57′21″W / 32.9223°N 112.9559°W / 32.9223; -112.9559 (Solana Solar Station) 280 2013

Solar photovoltaic plants

See also: Solar power in Arizona
Name County Coordinates Capacity
(MWAC)
Year
opened
Refs
McFarland Solar Yuma County 32°56′15″N 113°28′15″W / 32.9376°N 113.4708°W / 32.9376; -113.4708 500 2023/2025
Saint Solar Energy Center Pinal County 32°52′59″N 111°30′31″W / 32.88297°N 111.50855°W / 32.88297; -111.50855 88 2023
Mesquite Solar project Maricopa County 33°20′24″N 112°56′02″W / 33.3399°N 112.9339°W / 33.3399; -112.9339 (Mesquite Solar) 400 2012/2016
Agua Caliente Solar Project Yuma County 32°58′39″N 113°29′40″W / 32.9774°N 113.4945°W / 32.9774; -113.4945 (Agua Caliente Solar) 290 May 2012/2014
Sonoran Solar Energy Maricopa County 33°14′33″N 112°32′30″W / 33.2425°N 112.5418°W / 33.2425; -112.5418 260 2012
Agave Solar Maricopa County 33°19′33″N 112°50′32″W / 33.3259°N 112.8422°W / 33.3259; -112.8422 (Agave Solar) 150 September 25, 2023
Arlington Valley Solar Energy II [ru] Maricopa County 33°18′18″N 112°50′02″W / 33.3050°N 112.8339°W / 33.3050; -112.8339 (Arlington Valley Solar) 125 April 2013
Saint Solar Pinal County 32°51′51″N 111°30′03″W / 32.8643°N 111.5007°W / 32.8643; -111.5007 100 June 2023
Red Horse III Cochise County 32°15′40″N 110°09′15″W / 32.2610°N 110.1543°W / 32.2610; -110.1543 (Red Horse Solar) 81 July 2016
Kayenta Solar Project Navajo County 36°47′21″N 110°14′18″W / 36.7893°N 110.2383°W / 36.7893; -110.2383 (Kayenta Solar) 55 2017/2019
Gray Hawk Solar Mohave County 35°20′46″N 113°54′53″W / 35.3462°N 113.9148°W / 35.3462; -113.9148 (Gray Hawk Solar) 55 June 2018
Bonnybrooke Solar Mohave County 33°03′11″N 111°20′24″W / 33.0530°N 111.3400°W / 33.0530; -111.3400 (Bonnybrooke Solar) 50 November 2016
Avalon Pima County 32°02′19″N 110°57′30″W / 32.0385°N 110.9584°W / 32.0385; -110.9584 (Avalon Solar) 45 December 2014/2016
Sandstone Solar Pinal County 33°02′08″N 111°27′01″W / 33.0356°N 111.4503°W / 33.0356; -111.4503 (Sandstone Solar) 45 December 2015
Red Rock Maricopa County 32°33′04″N 111°17′21″W / 32.5510°N 111.2892°W / 32.5510; -111.2892 (Red Rock Solar) 40 February 2017
Foothills Solar Plant Hybrid Yuma County 32°38′20″N 114°25′52″W / 32.6388°N 114.4312°W / 32.6388; -114.4312 (Foothills Solar) 35 March 2013
Gila Bend Hybrid Maricopa County 32°56′56″N 112°46′12″W / 32.9490°N 112.7701°W / 32.9490; -112.7701 (Gila Bend Hybrid) 32 October 2014
OE_AZ1 La Paz County 33°46′15″N 113°39′17″W / 33.7709°N 113.6546°W / 33.7709; -113.6546 (OE_AZ1 Solar) 32 December 2019
Avra Valley Solar Pima County 32°22′18″N 111°16′58″W / 32.3717°N 111.2828°W / 32.3717; -111.2828 (Avra Valley Solar) 26 January 2013
Apache Solar 1 Cochise County 32°04′05″N 109°53′25″W / 32.0681°N 109.8904°W / 32.0681; -109.8904 (Apache Solar) 20 October 2017
Copper Crossing Solar Ranch Pinal County 33°09′33″N 111°28′53″W / 33.1592°N 111.4814°W / 33.1592; -111.4814 (Copper Crossing Solar) 20 2011
Pinal Central Energy Center Hybrid Pinal County 32°52′33″N 111°33′04″W / 32.8757°N 111.5511°W / 32.8757; -111.5511 (Pinal CEC Solar) 20 April 2018
Sulphur Springs Cochise County 32°03′46″N 109°55′09″W / 32.0628°N 109.9193°W / 32.0628; -109.9193 (Sulphur Springs Solar) 20 December 2016
Chino Solar Valley Yavapai County 34°43′27″N 112°25′54″W / 34.7242°N 112.4318°W / 34.7242; -112.4318 (Chino Solar Valley) 19 December 2012
Paloma Solar Hybrid Maricopa County 33°01′15″N 112°39′42″W / 33.0209°N 112.6616°W / 33.0209; -112.6616 18 September 2011
Cotton Center Solar Hybrid Maricopa County 33°02′06″N 112°39′39″W / 33.0351°N 112.6607°W / 33.0351; -112.6607 17 November 2011
Saddle Mountain Solar I Maricopa County 33°22′52″N 113°11′05″W / 33.38107°N 113.18471°W / 33.38107; -113.18471 15 December 2012
Desert Star Hybrid Maricopa County 33°08′38″N 112°39′47″W / 33.14397°N 112.66304°W / 33.14397; -112.66304 10 September 2015
Box Canyon Solar Project Pinal County 33°05′50″N 111°16′42″W / 33.0972°N 111.2783°W / 33.0972; -111.2783 300 2025
Eleven Mile Solar Center Pinal County 32°51′40″N 111°35′20″W / 32.86115°N 111.58893°W / 32.86115; -111.58893 300 2024
Storey Solar Energy Center Pinal County 32°53′00″N 111°30′30″W / 32.88321°N 111.50827°W / 32.88321; -111.50827 122 December 2023
Luke Solar Maricopa County 33°31′36″N 112°22′51″W / 33.5268°N 112.3807°W / 33.5268; -112.3807 15 June 2015
Queen Creek Solar Farm Maricopa County 33°16′00″N 111°36′49″W / 33.26678°N 111.61353°W / 33.26678; -111.61353 19 October 2012
Badger 1 Solar Maricopa County 33°29′53″N 112°48′47″W / 33.4981°N 112.8131°W / 33.4981; -112.8131 15 November 2013
Hyder II Hybrid Yuma County 33°01′32″N 113°21′13″W / 33.0256°N 113.3535°W / 33.0256; -113.3535 32 December 2013
Picture Rocks Solar Pima County 32°22′14″N 111°14′33″W / 32.37066°N 111.24242°W / 32.37066; -111.24242 20 December 2012
Brittlebush Solar Park Pinal County 32°57′54″N 111°31′59″W / 32.965°N 111.5331°W / 32.965; -111.5331 200 July 2024

Wind farms

See also: Wind power in Arizona
Name County Coordinates Capacity
(MW)
Year
opened
Refs
Dry Lake Wind Power Project Navajo County 34°39′35″N 110°17′03″W / 34.6596°N 110.2842°W / 34.6596; -110.2842 (Dry Lake Wind) 127 August 2009
Kingman 1 Mohave County 35°08′45″N 114°04′03″W / 35.1458°N 114.0675°W / 35.1458; -114.0675 (Kingman Wind) 10 September 2011
Perrin Ranch Wind Coconino County 35°24′56″N 112°16′16″W / 35.4156°N 112.2711°W / 35.4156; -112.2711 (Perrin Ranch Wind) 99 January 2012
Red Horse 2 Cochise County 32°17′10″N 110°05′17″W / 32.2861°N 110.0881°W / 32.2861; -110.0881 (Red Horse Wind) 30 August 2015
White Hills Wind Mohave County 35°28′24″N 114°17′21″W / 35.47326°N 114.2892°W / 35.47326; -114.2892 (White Hills Wind) 350 2021
Babbitt Ranch Energy Center Coconino County 35°38′33″N 112°05′36″W / 35.6425°N 112.0932°W / 35.6425; -112.0932 161 June 2024

Storage power stations

Data from the U.S. Energy Information Administration serves as a general reference.

Battery storage

Name County Coordinates Discharge
capacity
(MW)
Year
opened
Refs
McFarland Storage Yuma County 32°56′15″N 113°28′15″W / 32.9376°N 113.4708°W / 32.9376; -113.4708 435 2025
Storey Solar / BESS Pinal County 32°52′59″N 111°30′31″W / 32.88297°N 111.50855°W / 32.88297; -111.50855 88 2023
Eleven Mile Solar Center BESS Pinal County 32°51′40″N 111°35′20″W / 32.86115°N 111.58893°W / 32.86115; -111.58893 300 2024
Agua Fria Generating Station Maricopa County 33°33′12″N 112°12′45″W / 33.55340°N 112.21263°W / 33.55340; -112.21263 25 2021
Paloma Solar Hybrid Maricopa County 33°01′29″N 112°39′31″W / 33.02481°N 112.65867°W / 33.02481; -112.65867 17 April 2023
AES Gilbert ES Maricopa County 33°26′48″N 111°57′23″W / 33.4468°N 111.9563°W / 33.4468; -111.9563 (AES Gilbert ES) 10 2019
Iron Horse BESS Hybrid Pima County 32°05′55″N 110°49′09″W / 32.0985°N 110.8191°W / 32.0985; -110.8191 (Iron Horse BESS) 10 2017
Pima BESS Pima County 32°15′06″N 110°59′29″W / 32.2516°N 110.9913°W / 32.2516; -110.9913 (Pima BESS) 10 2017
Pinal Central Hybrid ES Pima County 32°52′33″N 111°33′04″W / 32.8757°N 111.5511°W / 32.8757; -111.5511 (Pinal Central ES) 10 2018
Desert Star Hybrid Maricopa County 33°08′42″N 112°39′35″W / 33.14512°N 112.65962°W / 33.14512; -112.65962 10 February 2023
Punkin Center BS Gila County 33°52′33″N 111°18′49″W / 33.8758°N 111.3136°W / 33.8758; -111.3136 (Punkin Center BS) 2 2018
Sonoran Solar Energy Maricopa County 33°14′20″N 112°34′18″W / 33.23900°N 112.57154°W / 33.23900; -112.57154 260 2012
Sierra Estrella Energy Storage Facility Maricopa County 33°24′38″N 112°18′51″W / 33.41056°N 112.31426°W / 33.41056; -112.31426 250 June 2024
Superstition Energy Storage facility Maricopa County 33°21′32″N 111°49′51″W / 33.35891°N 111.83095°W / 33.35891; -111.83095 90 June 24 2024
Storey Solar Energy Center Pinal County 32°53′00″N 111°30′31″W / 32.8832°N 111.5087°W / 32.8832; -111.5087 88 December 2023
Papago Storage Maricopa County 2025
Scatter Wash Battery Storage Comple Maricopa County 255 April 2025
Hyder II Hybrid Yuma County 33°01′33″N 113°21′08″W / 33.0259°N 113.3521°W / 33.0259; -113.3521 14 2013
Foothills Solar Plant Hybrid Yuma County 32°38′20″N 114°25′53″W / 32.6389°N 114.4313°W / 32.6389; -114.4313 35 April 2023
Saint Solar Energy Center Pinal County 32°51′51″N 111°30′03″W / 32.8643°N 111.5007°W / 32.8643; -111.5007 100
Signal Butte Energy Storage 250 Mid 2026
Flatland Energy Storage Project Pinal County 200 2025

Pumped storage

Name Location Coordinates Capacity
(MW)
Year
opened
Refs
Horse Mesa Maricopa County 33°35′27″N 111°20′38″W / 33.5907°N 111.3440°W / 33.5907; -111.3440 (Horse Mesa PS) 119 1972
Mormon Flat Maricopa County 33°33′13″N 111°26′35″W / 33.5536°N 111.4431°W / 33.5536; -111.4431 (Mormon Flat PS) 57 1971
Waddell Maricopa County 33°50′41″N 112°16′17″W / 33.8447°N 112.2714°W / 33.8447; -112.2714 (Waddell PS) 40 1993

Utility companies

Notes

  1. Includes conventional hydroelectric and hydroelectric pumped storage.

References

  1. ^ "Electricity Data Browser, Net generation for all sectors, Arizona, Fuel Type-Check all, Annual, 2001–23". www.eia.gov. Retrieved 2024-03-27.
  2. "Arizona Electricity Profile". U.S. Energy Information Administration. Retrieved 2022-07-18.
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