How many datacenter sites are in California?

GridCensus catalogs 9,645 scored datacenter candidate sites in California, with an average DC Readiness score of 46.2/100.

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 46.2/100 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

46.2/100

Avg DC Readiness

1.0M MW

Catalogued capacity

theoretical aggregate

5.7 yrs

Avg queue wait

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≥ 7560–7540–60≤ 40

Top 25 in California

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

32.0

Fiber

70.5

Water

31.3

Hazard resilience

48.3

Top 25 datacenter sites in California

Ranked by DC Readiness.

Top datacenter sites in California
Site	Type	County	Voltage	Capacity	Queue wait	Score
TESLA Power Project	Brownfield	Alameda County	500 kV	1,322 MW	5.7 yrs	64.6
Greenfield (JEFFERSON - GREENTOWN)	Greenfield	Hamilton County	765 kV	1,000 MW	8.2 yrs	62.1
Broadway (CA)	Brownfield	Los Angeles County	66 kV	167 MW	5.7 yrs	61.3
Greenfield (WILSON - PIN HOOK)	Greenfield	Wilson County	500 kV	1,000 MW	8.2 yrs	61.2
STATION E (TOLUCA)	Substation-Adjacent	Los Angeles County	500 kV	1,000 MW	8.2 yrs	60.1
Greenfield (MONTGOMERY - DAVIDSON)	Greenfield	Cheatham County	500 kV	1,000 MW	8.2 yrs	60.0
STATION L (SCATTERGOOD)	Substation-Adjacent	Los Angeles County	230 kV	300 MW	8.2 yrs	59.9
VALLEY	Substation-Adjacent	Orange County	500 kV	1,000 MW	8.2 yrs	59.7
INLAND EMPIRE	Substation-Adjacent	Orange County	500 kV	1,000 MW	8.2 yrs	59.6
METCALF 1	Substation-Adjacent	Santa Clara County	500 kV	1,000 MW	8.2 yrs	59.6
Hunters Point	Brownfield	San Mateo County	115 kV	427 MW	5.7 yrs	59.5
Greenfield (MONTGOMERY - WILSON)	Greenfield	Sumner County	500 kV	1,000 MW	8.2 yrs	59.4
Greenfield (MONTGOMERY - WILSON)	Greenfield	Robertson County	500 kV	1,000 MW	8.2 yrs	59.1
AIRWAY	Substation-Adjacent	Los Angeles County	230 kV	300 MW	8.2 yrs	58.7
STATION M(VALLEY)	Substation-Adjacent	Los Angeles County	230 kV	300 MW	8.2 yrs	58.3
UCLA So Campus Cogen Project	Brownfield	Los Angeles County	230 kV	15 MW	5.7 yrs	58.2
Paramount Refinery	Brownfield	Los Angeles County	66 kV	7 MW	5.7 yrs	58.2
Anaheim GT	Brownfield	Orange County	66 kV	49 MW	5.7 yrs	58.1
Greenfield (MONTGOMERY - DAVIDSON)	Greenfield	Montgomery County	500 kV	1,000 MW	8.2 yrs	57.7
Greenfield (CLARKSVILLE - EAST WINDSOR)	Greenfield	Mercer County	230 kV	300 MW	8.2 yrs	57.7
Magnolia	Brownfield	Los Angeles County	66 kV	88 MW	5.7 yrs	57.6
Greenfield (MIDDLETOWN - CONCORD)	Greenfield	Delaware County	230 kV	300 MW	8.2 yrs	57.6
EMBARCADERO	Substation-Adjacent	Contra Costa County	230 kV	300 MW	8.2 yrs	57.5
Greenfield (SOMERSET - NIAGARA)	Greenfield	Niagara County	345 kV	600 MW	8.2 yrs	57.4
NEWARK DISTRIBUTION	Substation-Adjacent	Alameda County	230 kV	300 MW	8.2 yrs	57.4

Counties in California

58 counties with five or more scored sites.

Los Angeles County797 · 49.9 Fresno County676 · 44.6 San Diego487 · 47.4 San Bernardino County430 · 47.7 Riverside County430 · 45.5 Yolo County387 · 47.1 Kern County371 · 48.8 Alameda324 · 48.8 Placer County290 · 44.5 Imperial County281 · 43.5 Sacramento County264 · 49.3 Tulare County255 · 42.9 El Dorado County255 · 44.1 Merced County252 · 43.6 Contra Costa250 · 47.9 Orange County210 · 53.2 Madera County183 · 45.0 San Joaquin County183 · 47.8 Shasta County179 · 44.8 Humboldt County152 · 41.1 Stanislaus County133 · 47.9 Tehama County127 · 43.5 Glenn County125 · 41.5 Calaveras County119 · 43.7 Colusa County111 · 42.4 Ventura County103 · 48.9 Tuolumne County103 · 42.3 Kings County102 · 49.2 Santa Clara County98 · 50.8 Inyo County95 · 47.3 Butte County93 · 45.4 San Luis Obispo County93 · 52.2 Sonoma County86 · 48.1 Solano County86 · 48.4 Napa83 · 43.9 Siskiyou County80 · 42.9 Nevada County75 · 42.5 San Mateo County74 · 52.3 Sutter County74 · 51.0 San Benito County61 · 50.4 Modoc County59 · 48.2 Santa Barbara County59 · 46.6 Trinity County55 · 41.4 Mono County53 · 49.7 San Francisco County52 · 46.7 Monterey49 · 43.1 Yuba County48 · 46.0 Sierra County45 · 45.0 Lake County44 · 43.9 Del Norte42 · 45.0 Santa Cruz39 · 49.1 Plumas35 · 44.6 Marin County30 · 53.7 Amador County29 · 43.9 Mendocino County29 · 41.2 Lassen County26 · 47.9 Mariposa13 · 42.0 Alpine5 · 45.4

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 46.2/100.
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 June 2026. Screening estimates derived from public data sources.

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