How many datacenter sites are in California?

GridCensus catalogs 8,490 scored datacenter candidate sites in California, with an average DC Readiness score of 42.7/100.

What is the average interconnection-queue wait in California?

Candidate sites in California average a 7.9 yrs interconnection-queue wait, with an average queue depth of 227 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 8,490 scored datacenter candidate sites averaging 42.7/100 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 272.4k MW and average a 7.9 yrs interconnection-queue wait.

8,490

Candidate sites

42.7/100

Avg DC Readiness

272.4k MW

Catalogued capacity

theoretical aggregate

7.9 yrs

Avg queue wait

◆ Loading map…

≥ 7560–7540–60≤ 40

Top 25 in California

By site type

By grid region

CAISO
8,464
WECC
20
MISO
4
ERCOT
1

Average sub-score profile

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

Power availability

35.7

Speed-to-power

25.3

Fiber

65.7

Water

27.2

Hazard resilience

50.5

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	64.1
Greenfield (JEFFERSON - GREENTOWN)	Greenfield	Hamilton County	765 kV	1,000 MW	8.2 yrs	61.7
Greenfield (WILSON - PIN HOOK)	Greenfield	Wilson County	500 kV	1,000 MW	8.2 yrs	60.7
Broadway (CA)	Brownfield	Los Angeles County	66 kV	167 MW	5.7 yrs	60.7
Greenfield (MONTGOMERY - DAVIDSON)	Greenfield	Cheatham County	500 kV	1,000 MW	8.2 yrs	60.3
STATION L (SCATTERGOOD)	Substation-Adjacent	Los Angeles County	230 kV	300 MW	8.2 yrs	60.1
Greenfield (MONTGOMERY - WILSON)	Greenfield	Sumner County	500 kV	1,000 MW	8.2 yrs	60.1
Greenfield (MONTGOMERY - WILSON)	Greenfield	Robertson County	500 kV	1,000 MW	8.2 yrs	60.0
STATION E (TOLUCA)	Substation-Adjacent	Los Angeles County	500 kV	1,000 MW	8.2 yrs	59.9
METCALF 1	Substation-Adjacent	Santa Clara County	500 kV	1,000 MW	8.2 yrs	59.6
VALLEY	Substation-Adjacent	Orange County	500 kV	1,000 MW	8.2 yrs	59.5
INLAND EMPIRE	Substation-Adjacent	Orange County	500 kV	1,000 MW	8.2 yrs	59.5
MOSS LANDING	Substation-Adjacent	Santa Cruz County	500 kV	1,000 MW	8.2 yrs	59.4
Greenfield (MONTGOMERY - DAVIDSON)	Greenfield	Montgomery County	500 kV	1,000 MW	8.2 yrs	59.3
Hunters Point	Brownfield	San Mateo County	115 kV	427 MW	5.7 yrs	58.9
AIRWAY	Substation-Adjacent	Los Angeles County	230 kV	300 MW	8.2 yrs	58.9
STATION M(VALLEY)	Substation-Adjacent	Los Angeles County	230 kV	300 MW	8.2 yrs	58.9
RINALDI	Substation-Adjacent	Los Angeles County	500 kV	1,000 MW	8.2 yrs	58.2
HAYNES	Substation-Adjacent	Orange County	230 kV	300 MW	8.2 yrs	58.1
SAN BERNARDINO	Substation-Adjacent	Orange County	500 kV	1,000 MW	8.2 yrs	58.1
HUNTINGTON BEACH	Substation-Adjacent	Orange County	230 kV	300 MW	8.2 yrs	58.1
SERRANO	Substation-Adjacent	Orange County	500 kV	1,000 MW	8.2 yrs	58.0
MIGUEL	Substation-Adjacent	San Diego County	500 kV	1,000 MW	8.2 yrs	57.8
Greenfield (BRIDGEPORT - MICKLETON)	Greenfield	Delaware County	230 kV	300 MW	8.2 yrs	57.7
UCLA So Campus Cogen Project	Brownfield	Los Angeles County	230 kV	15 MW	5.7 yrs	57.7

Counties in California

58 counties with five or more scored sites.

Los Angeles County691 · 47.3 Fresno County628 · 41.1 San Diego550 · 45.0 Riverside County376 · 42.8 Yolo County363 · 43.9 Alameda313 · 46.7 Placer County291 · 42.1 Kern County284 · 43.1 San Bernardino County253 · 42.6 El Dorado County250 · 40.8 Sacramento County240 · 46.0 Merced County234 · 40.3 Tulare County228 · 39.3 Imperial County225 · 39.0 Contra Costa County222 · 44.6 Orange County190 · 49.0 Madera County168 · 41.5 Humboldt County156 · 38.7 Shasta County152 · 39.9 San Joaquin County129 · 44.5 Glenn County113 · 37.3 Stanislaus County107 · 44.3 Tuolumne County100 · 38.7 Calaveras County100 · 39.2 Colusa County98 · 39.6 Tehama County93 · 38.3 Siskiyou County88 · 40.8 Sonoma County83 · 44.6 Santa Clara County82 · 48.0 Butte County79 · 41.6 Ventura County76 · 44.5 Nevada73 · 39.5 Napa72 · 40.7 San Mateo County70 · 49.2 Solano County63 · 44.4 Kings County62 · 42.3 San Francisco County52 · 45.5 Santa Barbara County50 · 43.4 Sierra County50 · 41.5 Plumas49 · 41.8 Trinity County48 · 38.6 Monterey45 · 40.8 Inyo County45 · 41.1 Modoc County44 · 41.8 Del Norte County43 · 42.9 San Luis Obispo County36 · 46.5 Santa Cruz35 · 44.8 Yuba County31 · 42.8 Lassen County30 · 41.6 Sutter County30 · 46.8 Mendocino County29 · 37.8 Lake County28 · 41.1 Amador County26 · 41.4 Mono County20 · 41.7 Marin County16 · 50.2 San Benito County15 · 43.8 Mariposa13 · 39.7 Alpine County5 · 41.3

California datacenter site selection FAQ

How many datacenter sites are in California?: GridCensus catalogs 8,490 scored datacenter candidate sites in California, with an average DC Readiness score of 42.7/100.
What is the average interconnection-queue wait in California?: Candidate sites in California average a 7.9 yrs interconnection-queue wait, with an average queue depth of 227 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 September 2026. Screening estimates derived from public data sources.

Go deeper than the public screen

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.

See plans & API access Talk to us