California · Battery

Proposed battery projects in California

There are 197 proposed battery projects in California's interconnection queue, totaling 53.63 GW of requested capacity. The largest is Pion at 1.17 GW, and the median planned online year is 2029.

197
Proposed projects
53.63 GW
Requested capacity
272.2 MW
Average project size
2029
Median planned online year

All proposed battery projects in California

TypeRegionIA Status
Pion
2239
BatteryCAISOFresnoNot Started1.17 GW20232028
Hillside Energy Storage
2327
BatteryCAISOLos AngelesNot Started1.06 GW20232029
Crusade
2350
BatteryCAISOOrangeNot Started1.03 GW20232028
Lagoonez
2294
BatteryCAISOLos AngelesNot Started1.03 GW20232028
Queue Q112
Q112
BatteryWestSan BernardinoIn Progress (unknown study)1.00 GW20242028
IRVING STORAGE
1539
BatteryCAISOMontereyIA Executed782.8 MW20192025
MENIFEE POWER BANK
1645
BatteryCAISORiversideIA Executed680 MW20192025
STEEL CITY BATTERY STORAGE
1705
BatteryCAISOContra CostaIA Executed675 MW20202029
YUHA DESERT BATTERY STORAGE
2176
BatteryCAISOImperialSystem Impact Study633.1 MW20212031
SAGEBRUSH ENERGY STORAGE
2060
BatteryCAISOKernSystem Impact Study528 MW20212033
Summit Valley Energy Storage
2236
BatteryCAISOSan BernardinoNot Started518.7 MW20232032
Lupine Energy Center
2320
BatteryCAISOSan BernardinoNot Started518.1 MW20232030
Chronos Energy Storage
2306
BatteryCAISOSan BernardinoNot Started516.8 MW20232031
ALTA CASA STORAGE
1922
BatteryCAISOSan JoaquinIA Executed515.4 MW20212031
Dove Cove
2286
BatteryCAISOSan JoaquinNot Started514.4 MW20232031
Yacht Rock
2352
BatteryCAISOSan BernardinoNot Started514.4 MW20232028
Belterra Energy Storage
2333
BatteryCAISOCalaverasNot Started514.1 MW20232028
Fontus
2323
BatteryCAISOSan BernardinoNot Started514 MW20232031
GREASEWOOD ENERGY STORAGE
2089
BatteryCAISOKernIA Executed513.2 MW20212033
CONDUIT ENERGY STORAGE
2105
BatteryCAISOSan BernardinoIA Executed512.6 MW20212031
ROSA STORAGE
2092
BatteryCAISOVenturaSystem Impact Study511.7 MW20212034
LOCK STORAGE
1962
BatteryCAISOFresnoIA Executed508 MW20212027
DOUBLE BUTTE STORAGE
1646
BatteryCAISORiversideIA Executed507.6 MW20192030
Galicia Storage
2325
BatteryCAISOSan BernardinoNot Started505.6 MW20232028
Ambar Energy Storage
2322
BatteryCAISOSan BernardinoNot Started504.9 MW20232030
DRIFTER ENERGY STORAGE
2066
BatteryCAISOVenturaIA Executed504.8 MW20212033
DELILAH ENERGY STORAGE
1875
BatteryCAISOContra CostaIA Executed504 MW20212032
SPECTRUM ENERGY STORAGE
1881
BatteryCAISOAlamedaIA Executed504 MW20212032
Queue Q108
Q108
BatteryWestSan BernardinoIn Progress (unknown study)500 MW20242028
Queue Q78
Q78
BatteryWestKernIn Progress (unknown study)500 MW20202021
Queue Q84
Q84
BatteryWestSan BernardinoIn Progress (unknown study)500 MW20212024
GOLDBACK SOLAR CENTER
1619
BatteryCAISOVenturaIA Executed500 MW20192026
LAKE ELSINORE ADVANCED PUMPED STORAGE PROJECT
72
BatteryCAISORiversideIA Executed500 MW20052028
CORBY 2
1854
BatteryCAISOSolanoSystem Impact Study476 MW20212031
Shoals Energy Storage 2
2293
BatteryCAISOLos AngelesNot Started461.1 MW20232029
TOLENAS
1842
BatteryCAISOSolanoSystem Impact Study417.3 MW20212031
DOS PALMAS
2104
BatteryCAISOSan BernardinoIA Executed410.8 MW20212031
SHOALS ENERGY STORAGE
1783
BatteryCAISOVenturaIA Executed409 MW20202030
HIDALGO ENERGY STORAGE
2096
BatteryCAISOSan BernardinoIA Executed408.1 MW20212033
GABRIEL STORAGE
2113
BatteryCAISOLos AngelesIA Executed405.8 MW20212033
SIMON
2115
BatteryCAISOLos AngelesSystem Impact Study405.8 MW20212032
CORAL REEF
2117
BatteryCAISOLos AngelesSystem Impact Study405.7 MW20212032
TROLLEY
2032
BatteryCAISOSan BernardinoIA Executed405.7 MW20212031
FLEETWOOD
2111
BatteryCAISOLos AngelesSystem Impact Study405.5 MW20212032
MARICI
2116
BatteryCAISOLos AngelesIA Executed405.5 MW20212031
Tea Leaf Energy Storage
2285
BatteryCAISOAlamedaNot Started404.3 MW20232030
DIRAC
2114
BatteryCAISOSan BernardinoIn Progress (unknown study)403.4 MW20212031
BRUSHY
1843
BatteryCAISOSolanoSystem Impact Study400 MW20212031
Queue GI-2023-168
GI-2023-168
BatteryWestImperialIn Progress (unknown study)387 MW20232025
ESPRESSO
1912
BatteryCAISOAlamedaIA Executed365.1 MW20212031
GOLDEN FLATS
1903
BatteryCAISOStanislausIA Executed365.1 MW20212031
NORTHEAST CENTRAL VALLEY
1904
BatteryCAISOSan JoaquinSystem Impact Study365.1 MW20212031
JEWELFLOWER STORAGE
1553
BatteryCAISOSanta ClaraIA Executed354.9 MW20192029
ALLEGHENY ENERGY STORAGE
1872
BatteryCAISOContra CostaIA Executed353.2 MW20212032
Moonraker
2246
BatteryCAISOKernNot Started352.7 MW20232029
Zama
2247
BatteryCAISOKernNot Started352.7 MW20232029
Galadriel
2297
BatteryCAISOMaderaNot Started317.5 MW20232031
CORBY
1270
BatteryCAISOSolanoIA Executed313.5 MW20162027
BELL BLUFF STORAGE
2178
BatteryCAISOSan DiegoSystem Impact Study313 MW20212035
CARGO STORAGE
2180
BatteryCAISOSan DiegoSystem Impact Study313 MW20212036
EAST FIELD ENERGY STORAGE
1810
BatteryCAISOSan DiegoIA Executed313 MW20202030
HAVEN STORAGE
2136
BatteryCAISOLos AngelesIA Executed313 MW20212031
ROADHOUSE STORAGE
1768
BatteryCAISOSan BernardinoIA Executed313 MW20202027
KEY STORAGE 1
1479
BatteryCAISOFresnoIA Executed309.3 MW20182026
HARMONY STORAGE 2
1892
BatteryCAISOContra CostaSystem Impact Study307.9 MW20212031
Jackrabbit Power Bank
2263
BatteryCAISOSanta ClaraNot Started307.6 MW20232029
HUMIDOR STORAGE 1
1629
BatteryCAISOLos AngelesIA Executed305 MW20192028
GNARLY OSAGE
2157
BatteryCAISOSan DiegoSystem Impact Study304.4 MW20212027
Twinkle
2317
BatteryCAISOSan BernardinoNot Started303.9 MW20232031
ELION ENERGY STORAGE
2064
BatteryCAISOLos AngelesIA Executed302.4 MW20212034
TABLA ENERGY STORAGE
2124
BatteryCAISOLos AngelesIA Executed302.4 MW20212032
TYRELL ENERGY STORAGE
2125
BatteryCAISOOrangeIA Executed302.4 MW20212032
Queue Q107
Q107
BatteryWestKernIn Progress (unknown study)300 MW20242028
Queue Q82
Q82
BatteryWestLos AngelesIn Progress (unknown study)300 MW20212024
DESERT SANDS
1758
BatteryCAISORiversideIA Executed300 MW20202035
ELECTRON
2082
BatteryCAISOLos AngelesIA Executed300 MW20212033
NIGHTHAWK STORAGE
1673
BatteryCAISOSan DiegoIA Executed300 MW20192026
CARMINE
2033
BatteryCAISORiversideSystem Impact Study291.9 MW20212031
PATHFINDER STORAGE
1896
BatteryCAISOSan JoaquinIA Executed268.1 MW20212031
J90 ENERGY STORAGE
2059
BatteryCAISOLos AngelesIA Executed261 MW20212033
Fika
2216
BatteryCAISOMercedNot Started258.5 MW20232029
Zeitgeist K Energy Center
2264
BatteryCAISOSan JoaquinNot Started258.2 MW20232030
Annapurna
2244
BatteryCAISOMercedNot Started257 MW20232028
CAPTIVA ENERGY STORAGE
1806
BatteryCAISOOrangeIA Executed256.9 MW20202028
ALMANDE ENERGY STORAGE
1963
BatteryCAISOMercedSystem Impact Study256.3 MW20212030
COMMERCE ENERGY STORAGE 3
2139
BatteryCAISOLos AngelesIA Executed256.3 MW20212031
GATEWAY ENERGY STORAGE 2
2185
BatteryCAISOSan DiegoSystem Impact Study256.3 MW20212035
SHERMAN ENERGY STORAGE
1915
BatteryCAISOContra CostaSystem Impact Study256.3 MW20212031
SANDBAR ENERGY STORAGE
2186
BatteryCAISOSan DiegoSystem Impact Study256 MW20212030
SANDRIFT STORAGE 1
2039
BatteryCAISORiversideIA Executed254.8 MW20212030
SANDRIFT STORAGE 2
2041
BatteryCAISORiversideIA Executed254.8 MW20212031
GREENWOOD ENERGY STORAGE
2121
BatteryCAISOLos AngelesIA Executed252 MW20212032
ZORIN STORAGE
1911
BatteryCAISOAlamedaIA Executed252 MW20212034
Queue Q79
Q79
BatteryWestKernIn Progress (unknown study)250 MW20202026
BAYLANDS BATTERY
1900
BatteryCAISOSan MateoIA Executed250 MW20212030
COMMERCE ENERGY STORAGE
1611
BatteryCAISOLos AngelesIA Executed250 MW20192026
COMMERCE ENERGY STORAGE 2
1766
BatteryCAISOLos AngelesSystem Impact Study250 MW20202026
CORMORANT STORAGE
1552
BatteryCAISOSan FranciscoIA Executed250 MW20192027
DORIAN STORAGE
2062
BatteryCAISOLos AngelesIA Executed213.6 MW20212034
WESTON STORAGE
2101
BatteryCAISOSan BernardinoSystem Impact Study213.6 MW20212031

Showing the 100 largest of 197 projects by requested capacity.

Browse California's full interconnection queue. Compare with operating capacity: 104 operating storage plants in California. Nationwide: Storage plants nationwide.

Source: "Queued Up" (Rand et al., Lawrence Berkeley National Laboratory, 2026 edition) (data as of December 31, 2025).