CAISO Interconnection Queue

The California Independent System Operator (CAISO) runs the interconnection queue and wholesale market for most of California.

The interXdata canonical warehouse currently tracks 591 interconnection requests in the CAISO footprint, representing 227,366 MW of requested capacity. Of these, 108 are active and 0 have reached commercial operation.

591Total projects
108Active
0Operational
483Withdrawn
0Suspended
37,936 MWActive capacity

Capacity by technology

TechnologyProjectsRequested capacity
Battery29390,084 MW
Solar+Battery21686,853 MW
Wind1519,681 MW
Solar3510,254 MW
Wind+Battery56,825 MW
Gas+Battery145,480 MW
Other Storage52,996 MW
Offshore Wind22,412 MW
Other21,403 MW
Solar+Wind+Battery31,014 MW
Geothermal1364 MW

Queue intake by request year

Request yearProjectsRequested capacity
2023590227,001 MW
20101364 MW

Largest active projects

ProjectQueue IDTechnologyCapacityStatusLocation
Muon2266Solar+Battery1,169.5 MWactiveFresno, California
Pion2239Battery1,167.7 MWactiveFresno, California
Hillside Energy Storage2327Battery1,064.7 MWactiveLos Angeles, California
Stanley2331Solar+Battery1,038.9 MWactiveMaricopa, Arizona
Crusade2350Battery1,029.0 MWactiveOrange, California
Lagoonez2294Battery1,029.0 MWactiveLos Angeles, California
Ripple2234Solar+Battery945.9 MWactiveKings, California
Quark2267Solar+Battery869.4 MWactiveFresno, California
Broadview2308Solar+Battery816.4 MWactiveFresno, California
Sunflower2240Solar+Battery715.1 MWactiveSan Bernardino, California
Sunvine2319Solar+Battery613.7 MWactiveKern, California
Solstice B2254Solar+Battery606.4 MWactiveFresno, California
Aviation2349Gas+Battery600.0 MWactiveSan Bernardino, California
Soledad Solar2311Solar562.4 MWactiveKern, California
Domestic Chicken2210Solar559.4 MWactiveMaricopa, Arizona
Solstice A2252Solar+Battery556.0 MWactiveFresno, California
Musketeers2312Solar+Battery524.5 MWactiveTulare, California
Summit Valley Energy Storage2236Battery518.7 MWactiveSan Bernardino, California
Lupine Energy Center2320Battery518.1 MWactiveSan Bernardino, California
Chronos Energy Storage2306Other Storage516.8 MWactiveSan Bernardino, California
Yacht Rock2352Battery514.4 MWactiveSan Bernardino, California
Dove Cove2286Battery514.4 MWactiveSan Joaquin, California
Belterra Energy Storage2333Battery514.1 MWactiveCalaveras, California
Fontus2323Battery514.0 MWactiveSan Bernardino, California
Torbino Solar2329Solar507.0 MWactiveKern, California

Most active developers

Developer attribution is not yet resolved for this set.

Recent material changes

No material field-level changes have been recorded against these projects since the baseline snapshot. interXdata records changes as new source snapshots are ingested and diffed.

Explore related data

Methodology & sources

Counts aggregate current canonical project records whose market region is CAISO. Status is normalized to a five-value vocabulary (active, operational, withdrawn, suspended, unknown). Capacity is the primary requested MW per project. Withdrawn and operational projects are retained as historical records.

Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27

Provenance: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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