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Battery storage facilities in Arizona

49 battery storage facilities in Arizona, totaling 10.7 GW of nameplate capacity. Source: EIA.

Development pipeline — planned & under construction

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Planned pipeline — new additions by fuel type

Largest next additions — planned & under construction

CO Bar Solar and BESS
Battery storage · Flagstaff, Arizona · Planned · exp. 2027
800 MW
CO Bar D Solar and BESS
Battery storage · Flagstaff, Arizona · Planned · exp. 2028
788 MW
Desert Sand BESS
Battery storage · Tonopah, Arizona · Under construction · exp. 2028
600 MW
THREE SISTERS Solar Generation and BESS
Battery storage · Manzoro, Arizona · Under construction · exp. 2029
600 MW
Sawtooth Solar
Battery storage · Eloy, Arizona · Under construction · exp. 2028
500 MW
Catclaw Solar
Battery storage · Buckeye, Arizona · Under construction · exp. 2026
450 MW
CO Bar C Solar and BESS
Battery storage · Flagstaff, Arizona · Planned · exp. 2027
412 MW
Atlas VIII
Battery storage · Salome, Arizona · Under construction · exp. 2026
382 MW
Roadrunner Reserve Phase 2
Battery storage · Tucson, Arizona · Under construction · exp. 2026
200 MW
Crimson Orchard Solar and BESS
Battery storage · Flagstaff, Arizona · Under construction · exp. 2027
200 MW

All battery storage plants in Arizona

CO Bar Solar and BESS
Battery storage · Flagstaff, Arizona · Planned · exp. 2027
800 MW
CO Bar D Solar and BESS
Battery storage · Flagstaff, Arizona · Planned · exp. 2028
788 MW
Desert Sand BESS
Battery storage · Tonopah, Arizona · Under construction · exp. 2028
600 MW
Harquahala 2
Battery storage · Tonopah, Arizona · Operating · COD 2025
600 MW
THREE SISTERS Solar Generation and BESS
Battery storage · Manzoro, Arizona · Under construction · exp. 2029
600 MW
Sawtooth Solar
Battery storage · Eloy, Arizona · Under construction · exp. 2028
500 MW
Roadrunner Solar and BESS
Battery storage · Cochise, Arizona · Operating · COD 2025
470 MW
Catclaw Solar
Battery storage · Buckeye, Arizona · Under construction · exp. 2026
450 MW
CO Bar C Solar and BESS
Battery storage · Flagstaff, Arizona · Planned · exp. 2027
412 MW
Serrano
Battery storage · Marana, Arizona · Operating · COD 2025
384 MW
Atlas VIII
Battery storage · Salome, Arizona · Under construction · exp. 2026
382 MW
Papago Energy Storage
Battery storage · Tonopah, Arizona · Operating · COD 2025
300 MW
Atlas VII
Battery storage · Salome, Arizona · Operating · COD 2025
300 MW
Beehive Energy Storage
Battery storage · Peoria, Arizona · Operating · COD 2026
250 MW
Pediment BESS I
Battery storage · Mesa, Arizona · Operating · COD 2026
250 MW
Sierra Estrella Energy Storage
Battery storage · Tolleson, Arizona · Operating · COD 2024
250 MW
Crimson Orchard Solar and BESS
Battery storage · Flagstaff, Arizona · Under construction · exp. 2027
200 MW
Roadrunner Reserve Phase 2
Battery storage · Tucson, Arizona · Under construction · exp. 2026
200 MW
Kitt Solar
Battery storage · Eloy, Arizona · Under construction · exp. 2026
200 MW
Wilmot Energy Center II
Battery storage · Arizona · Operating · COD 2026
200 MW
Flatland Storage
Battery storage · Coolidge, Arizona · Operating · COD 2025
200 MW
Roadrunner Reserve Phase 1
Battery storage · Tucson, Arizona · Operating · COD 2025
200 MW
Westwing
Battery storage · Peoria, Arizona · Operating · COD 2024
200 MW
McFarland C
Battery storage · Dateland, Arizona · Operating · COD 2025
185 MW
Scatter Wash 1
Battery storage · Phoenix, Arizona · Operating · COD 2025
170 MW
Desert Bloom
Battery storage · Arizona · Under construction · exp. 2026
150 MW
Justice Energy Storage
Battery storage · Arizona · Under construction · exp. 2026
150 MW
Atlas IX
Battery storage · Salome, Arizona · Operating · COD 2025
150 MW
Atlas BESS IV LLC
Battery storage · Salome, Arizona · Under construction · exp. 2027
150 MW
Yuma Solar + Storage
Battery storage · Fortuna Foothills, Arizona · Operating · COD 2025
140 MW
Sierra Pinta BESS
Battery storage · Dateland, Arizona · Operating · COD 2025
113 MW
Saint Energy Storage II LLC
Battery storage · Coolidge, Arizona · Operating · COD 2023
100 MW
Superstition Energy Storage
Battery storage · Gilbert, Arizona · Operating · COD 2024
90 MW
Scatter Wash 2
Battery storage · Phoenix, Arizona · Operating · COD 2025
85 MW
Pluto Energy Storage
Battery storage · Goodyear, Arizona · Operating · COD 2025
75 MW
Foothills Solar Plant Hybrid
Battery storage · Yuma, Arizona · Operating · COD 2013
73 MW
El Sol BESS
Battery storage · Phoenix, Arizona · Operating · COD 2023
50 MW
Kingman Energy Storage
Battery storage · Kingman, Arizona · Operating · COD 2025
50 MW
SR McNeal
Battery storage · McNeal, Arizona · Operating · COD 2023
40 MW
Chino Valley Solar
Battery storage · Chino Valley, Arizona · Operating · COD 2012
38 MW
Paloma Solar Hybrid
Battery storage · Gila Bend, Arizona · Operating · COD 2011
34 MW
Cotton Center Solar Hybrid
Battery storage · Gila Bend, Arizona · Operating · COD 2011
34 MW
Hyder II Hybrid
Battery storage · Hyder, Arizona · Operating · COD 2013
28 MW
Mohave Electric Cooperative at Joy Lane
Battery storage · Fort Mohave, Arizona · Operating · COD 2016
26 MW
Desert Star Hybrid
Battery storage · Buckeye, Arizona · Operating · COD 2015
20 MW
Iron Horse Battery Storage Hybrid
Battery storage · Tucson, Arizona · Operating · COD 2017
12 MW
Pima Energy Storage System
Battery storage · Tucson, Arizona · Operating · COD 2017
10 MW
AES ES GILBERT
Battery storage · Chandler, Arizona · Operating · COD 2019
10 MW
Punkin Center Battery Storage
Battery storage · Tonto Basin, Arizona · Retired
2 MW

Source: U.S. Energy Information Administration (EIA-860M)