interXdata

California Interconnection Projects

interXdata tracks 51,366 interconnection projects in California representing 836,642 MW of requested capacity. The dominant technology by capacity is Battery. The most active counties are San Diego, Los Angeles, Santa Clara.

51,366Total projects
662Active
48,389Operational
2,219Withdrawn
836,642 MWRequested capacity
153,259 MWActive capacity

Technology mix

TechnologyProjectsRequested capacity
Battery1,415233,404 MW
Solar+Battery660186,789 MW
Gas1,217141,744 MW
Solar46,648135,571 MW
Wind52687,127 MW
Other85527,793 MW
Wind+Battery78,825 MW
Gas+Battery145,480 MW
Other Storage63,496 MW
Offshore Wind22,412 MW
Hydro41,304 MW
Solar+Wind+Battery31,014 MW
Geothermal6890 MW
Hydrogen2692 MW
Solar+Gas1100 MW

Counties

CountyProjectsRequested capacity
San Diego9,55934,470 MW
Los Angeles4,21167,533 MW
Santa Clara3,1206,729 MW
Riverside2,61266,126 MW
Alameda2,46312,705 MW
Orange2,3499,898 MW
Contra Costa2,13115,643 MW
Fresno2,01045,537 MW
Sonoma1,8003,215 MW
San Bernardino1,61673,031 MW
Kern1,486105,994 MW
Santa Cruz1,338421 MW
San Mateo1,3211,260 MW
San Francisco1,297545 MW
Marin1,223801 MW
Placer1,0032,813 MW
San Luis Obispo90829,535 MW
San Joaquin85115,371 MW
Ventura7307,565 MW
El Dorado682943 MW
Yolo6131,204 MW
Tulare5239,231 MW
Solano51410,947 MW
Santa Barbara5131,760 MW
Nevada502114 MW
Butte4942,574 MW
Monterey4607,825 MW
Napa409641 MW
Kings36618,746 MW
Mendocino363347 MW
Humboldt3514,579 MW
Madera3413,249 MW
Shasta3223,935 MW
Lake253676 MW
Merced24311,487 MW
Imperial21724,780 MW
Stanislaus1925,415 MW
Calaveras1891,333 MW
Tuolumne1681,191 MW
Yuba1571,006 MW

Largest projects

ProjectQueue IDTechnologyCapacityStatusLocation
Cuatro Vientoscaiso_c15_465Wind+Battery3,526.0 MWwithdrawnCalifornia
Chokecherry and Sierra Madre Wind Energy Projectcaiso_c15_426Wind3,290.0 MWwithdrawnCalifornia
Ventura Windcaiso_c15_463Wind2,482.0 MWwithdrawnCalifornia
Monterey Windcaiso_c15_462Wind2,462.0 MWwithdrawnCalifornia
Oaks Windcaiso_c15_461Wind2,460.0 MWwithdrawnCalifornia
Charlie Windcaiso_c15_460Wind2,460.0 MWwithdrawnCalifornia
GEMINI WIND NORTH1474Wind2,005.8 MWwithdrawnN/a, California
ALAMITOS ENERGY CENTER939Gas1,902.9 MWwithdrawnLos Angeles, California
Ethan Creekcaiso_c15_534Wind1,870.0 MWwithdrawnCalifornia
EDGEWOOD SOLAR HYBRID1715Solar+Battery1,700.0 MWwithdrawnFresno, California
CA Queue Project 220620000000 — Solar+Battery in San Bernardino, California220620000000Solar+Battery1,650.0 MWactiveSan Bernardino, California
West Queue Project Q92 — Solar+Battery in San Bernardino, CaliforniaQ92Solar+Battery1,650.0 MWactiveSan Bernardino, California
EMPIRE2030Battery1,600.0 MWwithdrawnSan Bernadino, California
Gema Hybridcaiso_c15_275Solar+Battery1,546.0 MWwithdrawnCalifornia
Two Bunch Palmscaiso_c15_214Battery1,518.0 MWwithdrawnCalifornia
INTREPID ENERGY1692Wind1,500.1 MWwithdrawnHumboldt, California
ISLAY1998Wind1,500.0 MWwithdrawnSan Luis Obispo, California
West Queue Project Q98 — Solar+Battery in Los Angeles, CaliforniaQ98Solar+Battery1,500.0 MWactiveLos Angeles, California
PINEBROOK SOLAR HYBRID ENERGY CENTER1581Solar+Battery1,500.0 MWwithdrawnFresno, California
TEMPEST GENERATION1559Wind1,500.0 MWwithdrawnHumboldt, California
HOLMAN1889Wind1,500.0 MWactiveMonterey, California
NIMITZ 1 GENERATION1589Wind1,500.0 MWwithdrawnSan Luis Obispo, California
SEAWOLF GENERATION1600Wind1,500.0 MWwithdrawnSan Luis Obispo, California
NIMITZ 2 GENERATION1590Wind1,500.0 MWwithdrawnSan Luis Obispo, California
CA Queue Project 230320000002 — Solar+Battery in Los Angeles, California230320000002Solar+Battery1,500.0 MWactiveLos Angeles, California
VINSON ENERGY1747Wind1,499.9 MWwithdrawnSan Luis Obispo, California
EAGLE MOUNTAIN PUMP STORAGE #41193Battery1,408.0 MWwithdrawnRiverside, California
ETERNAL 22050Battery1,400.0 MWwithdrawnRiverside, California
LIGHTHOUSE WIND1738Wind1,400.0 MWwithdrawnSan Luis Obispo, California
ETERNAL PUMPED STORAGE1759Battery1,400.0 MWwithdrawnRiverside, California

Top developers in California

Developer (canonical)ProjectsCapacity
SolarCity3,37726 MW
SunPower3,21686 MW
Solar City1,95113 MW
REC Solar, Inc.1,48116 MW
Sun Light and Power1,1917 MW
Akeena Solar1,1728 MW
Sunrun Inc.9235 MW
Real Goods8216 MW
Baker Electric, Inc.7896 MW
PowerLight Corporation6395 MW
Regrid Power, Inc.6273 MW
Semper Solaris Construction Inc6003 MW
Borrego Solar Systems, inc.51711 MW
SPG Solar, Inc.50814 MW
VERENGO5022 MW

Recent material changes

ObservedProjectFieldOldNew
2026-10-08JEWELFLOWER STORAGEstatusactivewithdrawn
2026-10-08JEWELFLOWER STORAGEwithdrawn_date—2026-10-06
2026-10-02Jasmineproposed_online_date2027-05-012027-12-01
2026-10-02Jasmineproposed_online_date2027-05-012027-12-01
2026-10-02AB Van Nuysproposed_online_date2027-03-012027-12-01
2026-10-02Ameresco Ox Mountainproposed_online_date2026-12-012027-09-01
2026-10-02San Pedro Public Market (SPPM)proposed_online_date2027-03-012027-06-01
2026-10-02Fordyce - SLLAX680proposed_online_date2027-03-012027-06-01
2026-10-02East Road Storage Projectproposed_online_date2027-02-012027-06-01
2026-10-02East Road Storage Projectcapacity_mw1.51
2026-10-02San Leandro 10 - sleba702proposed_online_date2027-01-012027-05-01
2026-10-02South Bay Dis Ctr 6-SLLAX680proposed_online_date2027-03-012027-05-01

Explore related data

Source last checked2026-07-31
Data last materially changed2026-10-11
Page data generated2026-10-11

Provenance: bpa-oasis; ca-dgstats; California ISO — public interconnection queue; U.S. EIA — Form EIA-860M generator inventory (operating + planned); iid-queue; ladwp-oasis; Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; nvenergy-oasis; pacificorp-oasis; wapa-dsw-oasis; wapa-sn-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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