California · Battery

Proposed battery projects in California

There are 160 proposed battery projects in California's interconnection queue, totaling 45.61 GW of requested capacity. The largest is Pion at 1.17 GW, and the median planned online year is 2029.

160
Proposed projects
45.61 GW
Requested capacity
285 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 Executed750 MW20192025
MENIFEE POWER BANK
1645
BatteryCAISORiversideIA Executed680 MW20192025
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
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
Galicia Storage
2325
BatteryCAISOSan BernardinoNot Started505.6 MW20232028
Ambar Energy Storage
2322
BatteryCAISOSan BernardinoNot Started504.9 MW20232030
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
ALTA CASA STORAGE
1922
BatteryCAISOSan JoaquinIA Executed500 MW20212031
CONDUIT ENERGY STORAGE
2105
BatteryCAISOSan BernardinoIA Executed500 MW20212031
DELILAH ENERGY STORAGE
1875
BatteryCAISOContra CostaIA Executed500 MW20212032
DOUBLE BUTTE STORAGE
1646
BatteryCAISORiversideIA Executed500 MW20192030
DRIFTER ENERGY STORAGE
2066
BatteryCAISOVenturaIA Executed500 MW20212033
GOLDBACK SOLAR CENTER
1619
BatteryCAISOVenturaIA Executed500 MW20192029
GREASEWOOD ENERGY STORAGE
2089
BatteryCAISOKernIA Executed500 MW20212031
LAKE ELSINORE ADVANCED PUMPED STORAGE PROJECT
72
BatteryCAISORiversideIA Executed500 MW20052028
LOCK STORAGE
1962
BatteryCAISOFresnoIA Executed500 MW20212027
ROSA STORAGE
2092
BatteryCAISOVenturaSystem Impact Study500 MW20212034
SAGEBRUSH ENERGY STORAGE
2060
BatteryCAISOKernSystem Impact Study500 MW20212033
SPECTRUM ENERGY STORAGE
1881
BatteryCAISOAlamedaIA Executed500 MW20212032
Shoals Energy Storage 2
2293
BatteryCAISOLos AngelesNot Started461.1 MW20232029
Tea Leaf Energy Storage
2285
BatteryCAISOAlamedaNot Started404.3 MW20232030
CORAL REEF
2117
BatteryCAISOLos AngelesSystem Impact Study400 MW20212032
CORBY 2
1854
BatteryCAISOSolanoSystem Impact Study400 MW20212031
DIRAC
2114
BatteryCAISOSan BernardinoIn Progress (unknown study)400 MW20212031
FLEETWOOD
2111
BatteryCAISOLos AngelesSystem Impact Study400 MW20212032
GABRIEL STORAGE
2113
BatteryCAISOLos AngelesIA Executed400 MW20212033
MARICI
2116
BatteryCAISOLos AngelesIA Executed400 MW20212031
SHOALS ENERGY STORAGE
1783
BatteryCAISOVenturaIA Executed400 MW20202030
SIMON
2115
BatteryCAISOLos AngelesSystem Impact Study400 MW20212032
TOLENAS
1842
BatteryCAISOSolanoSystem Impact Study400 MW20212031
TROLLEY
2032
BatteryCAISOSan BernardinoIA Executed400 MW20212031
Queue GI-2023-168
GI-2023-168
BatteryWestImperialIn Progress (unknown study)387 MW20232025
Moonraker
2246
BatteryCAISOKernNot Started352.7 MW20232029
Zama
2247
BatteryCAISOKernNot Started352.7 MW20232029
JEWELFLOWER STORAGE
1553
BatteryCAISOSanta ClaraIA Executed350 MW20192029
ALLEGHENY ENERGY STORAGE
1872
BatteryCAISOContra CostaIA Executed325 MW20212032
Galadriel
2297
BatteryCAISOMaderaNot Started317.5 MW20232031
Jackrabbit Power Bank
2263
BatteryCAISOSanta ClaraNot Started307.6 MW20232029
Twinkle
2317
BatteryCAISOSan BernardinoNot Started303.9 MW20232031
KEY STORAGE 1
1479
BatteryCAISOFresnoIA Executed300.1 MW20182026
Queue Q107
Q107
BatteryWestKernIn Progress (unknown study)300 MW20242028
Queue Q82
Q82
BatteryWestLos AngelesIn Progress (unknown study)300 MW20212024
CORBY
1270
BatteryCAISOSolanoIA Executed300 MW20162027
DESERT SANDS
1758
BatteryCAISORiversideIA Executed300 MW20202035
EAST FIELD ENERGY STORAGE
1810
BatteryCAISOSan DiegoIA Executed300 MW20202030
ELECTRON
2082
BatteryCAISOLos AngelesIA Executed300 MW20212033
ELION ENERGY STORAGE
2064
BatteryCAISOLos AngelesIA Executed300 MW20212034
ESPRESSO
1912
BatteryCAISOAlamedaIA Executed300 MW20212031
GOLDEN FLATS
1903
BatteryCAISOStanislausIA Executed300 MW20212031
HARMONY STORAGE 2
1892
BatteryCAISOContra CostaSystem Impact Study300 MW20212031
HAVEN STORAGE
2136
BatteryCAISOLos AngelesIA Executed300 MW20212031
HUMIDOR STORAGE 1
1629
BatteryCAISOLos AngelesIA Executed300 MW20192028
ROADHOUSE STORAGE
1768
BatteryCAISOSan BernardinoIA Executed300 MW20202027
TABLA ENERGY STORAGE
2124
BatteryCAISOLos AngelesIA Executed300 MW20212032
TYRELL ENERGY STORAGE
2125
BatteryCAISOOrangeIA Executed300 MW20212032
CARMINE
2033
BatteryCAISORiversideSystem Impact Study285 MW20212031
PATHFINDER STORAGE
1896
BatteryCAISOSan JoaquinIA Executed260 MW20212031
Fika
2216
BatteryCAISOMercedNot Started258.5 MW20232029
Zeitgeist K Energy Center
2264
BatteryCAISOSan JoaquinNot Started258.2 MW20232030
Annapurna
2244
BatteryCAISOMercedNot Started257 MW20232028
Queue Q79
Q79
BatteryWestKernIn Progress (unknown study)250 MW20202026
BAYLANDS BATTERY
1900
BatteryCAISOSan MateoIA Executed250 MW20212030
CAPTIVA ENERGY STORAGE
1806
BatteryCAISOOrangeIA Executed250 MW20202028
COMMERCE ENERGY STORAGE
1611
BatteryCAISOLos AngelesIA Executed250 MW20192028
COMMERCE ENERGY STORAGE 2
1766
BatteryCAISOLos AngelesSystem Impact Study250 MW20202028
COMMERCE ENERGY STORAGE 3
2139
BatteryCAISOLos AngelesIA Executed250 MW20212031
CORMORANT STORAGE
1552
BatteryCAISOSan FranciscoIA Executed250 MW20192027
GATEWAY ENERGY STORAGE 2
2185
BatteryCAISOSan DiegoSystem Impact Study250 MW20212035
GREENWOOD ENERGY STORAGE
2121
BatteryCAISOLos AngelesIA Executed250 MW20212032
J90 ENERGY STORAGE
2059
BatteryCAISOLos AngelesIA Executed250 MW20212033
SANDRIFT STORAGE 1
2039
BatteryCAISORiversideIA Executed250 MW20212030
SANDRIFT STORAGE 2
2041
BatteryCAISORiversideIA Executed250 MW20212031
SHERMAN ENERGY STORAGE
1915
BatteryCAISOContra CostaSystem Impact Study250 MW20212031
Rover
2341
BatteryCAISOLos AngelesNot Started206.2 MW20232028
Emerita Energy Storage
2221
BatteryCAISOAlamedaNot Started205.7 MW20232028
Helios Grid Reliability
2262
BatteryCAISOCalaverasNot Started205.5 MW20232028
Cabrera Reliability
2353
BatteryCAISOSan BernardinoNot Started205.4 MW20232028
Antlia
2204
BatteryCAISOMontereyNot Started204.9 MW20232031
Mt Baldy Energy Storage 2
2318
BatteryCAISOSan BernardinoNot Started204.9 MW20232031
Saguaro Energy Storage
2302
BatteryCAISOSan BernardinoNot Started204.9 MW20232029
Queue 16
16
BatteryWestSacramentoFacility Study204 MW20222027
Brundage Energy Storage
2359
BatteryCAISOLos AngelesNot Started202.3 MW20232029
Queue Q81
Q81
BatteryWestLos AngelesIn Progress (unknown study)200 MW20212024
Queue 11
11
BatteryWestSacramentoFacility Study200 MW20212026
Queue SC1Q32
SC1Q32
BatteryWestSacramentoCluster Study200 MW20252031
APACHE STORAGE
1930
BatteryCAISOFresnoIA Executed200 MW20212029
AVOCET STORAGE
1608
BatteryCAISOLos AngelesIA Executed200 MW20192027
COUGAR STORAGE
1932
BatteryCAISOMercedIA Executed200 MW20212030

Showing the 100 largest of 160 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: LBNL backbone through December 31, 2025; ISO-region statuses refreshed monthly (last: July 2026); non-ISO West and Southeast as of the LBNL edition.