How many datacenter sites are in California?

GridCensus catalogs 9,645 scored datacenter candidate sites in California, with an average DC Readiness score of 45.5/100.

What is the average interconnection-queue wait in California?

Candidate sites in California average a 5.7 yrs interconnection-queue wait, with an average queue depth of 290 projects.

What kind of datacenter sites are most common in California?

Federal Excess sites are the most common category in California (3,212 sites), and most sites fall within the CAISO grid region.

Datacenter Sites in California

California has 9,645 scored datacenter candidate sites averaging 45.5/100 DC Readiness. Federal Excess parcels lead the inventory (3,212 sites). Most sites interconnect through CAISO. The state's candidate sites carry a catalogued aggregate of 1.0M MW and average a 5.7 yrs interconnection-queue wait.

9,645

Candidate sites

45.5/100

Avg DC Readiness

1.0M MW

Catalogued capacity

theoretical aggregate

5.7 yrs

Avg queue wait

By site type

By grid region

CAISO
8,784
WECC
857
MISO
3
ERCOT
1

Average sub-score profile

How California's candidate sites score on each DC Readiness dimension (0–100 average).

Power availability

37.6

Speed-to-power

32.2

Fiber

56.5

Water

46.2

Hazard resilience

47.1

Top 25 datacenter sites in California

Ranked by DC Readiness.

Top datacenter sites in California
Site	Type	County	Voltage	Capacity	Queue wait	Score
VALLEY (CA)	Substation-Adjacent	Los Angeles County	230 kV	300 MW	5.7 yrs	68.0
DIABLO CANYON	Substation-Adjacent	San Luis Obispo County	500 kV	1,000 MW	5.8 yrs	67.9
MOSS LANDING	Substation-Adjacent	Santa Cruz County	500 kV	1,000 MW	5.7 yrs	67.9
STATION L (SCATTERGOOD)	Substation-Adjacent	Los Angeles County	230 kV	300 MW	5.7 yrs	67.8
SYLMAR EAST	Substation-Adjacent	Los Angeles County	1000 kV	1,000 MW	5.8 yrs	67.8
RINALDI	Substation-Adjacent	Los Angeles County	500 kV	1,000 MW	5.7 yrs	67.7
AIRWAY	Substation-Adjacent	Los Angeles County	230 kV	300 MW	5.7 yrs	67.2
VINCENT	Substation-Adjacent	Los Angeles County	500 kV	1,000 MW	5.8 yrs	66.7
STATION E (TOLUCA)	Substation-Adjacent	Los Angeles County	500 kV	1,000 MW	5.7 yrs	66.6
SERRANO	Substation-Adjacent	Orange County	500 kV	1,000 MW	5.7 yrs	66.6
VICTORVILLE	Substation-Adjacent	Los Angeles County	500 kV	1,000 MW	5.8 yrs	66.5
MIGUEL	Substation-Adjacent	San Diego County	500 kV	1,000 MW	5.7 yrs	66.3
HAYNES	Substation-Adjacent	Orange County	230 kV	300 MW	5.7 yrs	66.0
WINDHUB	Substation-Adjacent	Kern County	500 kV	1,000 MW	5.8 yrs	65.8
VALLEY	Substation-Adjacent	Orange County	500 kV	1,000 MW	5.7 yrs	65.7
HUNTINGTON BEACH	Substation-Adjacent	Orange County	230 kV	300 MW	5.7 yrs	65.7
AES Alamitos LLC	Brownfield	Orange	—	940 MW	—	65.5
CHEVMAIN	Substation-Adjacent	Los Angeles County	230 kV	300 MW	5.7 yrs	65.5
BORDERTOWN	Substation-Adjacent	Sierra County	345 kV	600 MW	5.8 yrs	65.4
METCALF 1	Substation-Adjacent	Santa Clara County	500 kV	1,000 MW	5.7 yrs	65.2
REDONDO 1	Substation-Adjacent	Los Angeles County	230 kV	300 MW	5.7 yrs	65.0
Aquamarine Solar Project	Brownfield	Fresno	—	250 MW	—	65.0
INLAND EMPIRE	Substation-Adjacent	Orange County	500 kV	1,000 MW	5.7 yrs	64.9
EL SEGUNDO	Substation-Adjacent	Los Angeles County	230 kV	300 MW	5.7 yrs	64.8
BORDEN	Substation-Adjacent	Fresno County	230 kV	300 MW	5.8 yrs	64.7

Counties in California

58 counties with five or more scored sites.

Los Angeles County797 · 49.3 Fresno County676 · 43.4 San Diego487 · 46.6 San Bernardino County430 · 46.9 Riverside County430 · 44.5 Yolo County387 · 45.9 Kern County371 · 48.2 Alameda324 · 48.0 Placer County290 · 43.4 Imperial County281 · 42.7 Sacramento County264 · 48.6 Tulare County255 · 41.7 El Dorado County255 · 43.2 Merced County252 · 42.7 Contra Costa250 · 47.0 Orange County210 · 53.0 Madera County183 · 44.4 San Joaquin County183 · 47.4 Shasta County179 · 44.2 Humboldt County152 · 40.4 Stanislaus County133 · 47.3 Tehama County127 · 42.9 Glenn County125 · 41.3 Calaveras County119 · 43.0 Colusa County111 · 41.6 Ventura County103 · 48.1 Tuolumne County103 · 41.5 Kings County102 · 49.0 Santa Clara County98 · 50.0 Inyo County95 · 46.8 Butte County93 · 45.0 San Luis Obispo County93 · 52.1 Sonoma County86 · 47.6 Solano County86 · 48.0 Napa83 · 43.5 Siskiyou County80 · 41.9 Nevada County75 · 41.4 San Mateo County74 · 51.8 Sutter County74 · 50.8 San Benito County61 · 50.3 Modoc County59 · 48.2 Santa Barbara County59 · 46.0 Trinity County55 · 41.4 Mono County53 · 49.5 San Francisco County52 · 45.6 Monterey49 · 42.4 Yuba County48 · 45.9 Sierra County45 · 44.4 Lake County44 · 43.8 Del Norte42 · 44.2 Santa Cruz39 · 48.9 Plumas35 · 43.7 Marin County30 · 53.6 Amador County29 · 43.4 Mendocino County29 · 39.7 Lassen County26 · 47.6 Mariposa13 · 41.5 Alpine5 · 45.7

California datacenter site selection FAQ

How many datacenter sites are in California?: GridCensus catalogs 9,645 scored datacenter candidate sites in California, with an average DC Readiness score of 45.5/100.
What is the average interconnection-queue wait in California?: Candidate sites in California average a 5.7 yrs interconnection-queue wait, with an average queue depth of 290 projects.
What kind of datacenter sites are most common in California?: Federal Excess sites are the most common category in California (3,212 sites), and most sites fall within the CAISO grid region.

Dataset updated March 2026. Screening estimates derived from public data sources.

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This page shows a public slice of the GridCensus dataset for California. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.

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