How many data centers are in California?

There are 84 data centers in California, including 52 operating and 31 planned facilities.

What is the total data center capacity in California?

The total data center capacity in California is 3,022 MW, with 997 MW operating and 1,969 MW planned.

What is the largest operating data center in California?

The largest operating data center in California is Vantage CA3, developed by Vantage Data Centers, with a capacity of 83 MW.

What is the largest planned data center in California?

The largest planned data center in California is Imperial Valley AI Data Center, being developed by Imperial Valley Computer Manufacturing, with a planned capacity of 330 MW.

How many data center developers are active in California?

There are 33 unique data center developers with projects in California.

Data Centers in California

Explore operating and planned data center projects in California.

Last updated: October 2026

There are 52 operating data centers in California with a combined capacity of 997 MW, and 31 planned projects that would add 1,969 MW of additional capacity. Explore the map and tables below for details.

Total Data Centers

Operating Data Centers

Planned Data Centers

Operating Capacity

997 MW

Planned Capacity

1,969 MW

Unique Developers

California Data Center Map

Map of data centers in California. Orange markers indicate operating facilities and green markers show planned projects. Marker size reflects capacity — only facilities with reported capacity data are shown.

Largest Operating Data Centers in California

Vantage CA3

83 MW

Year Operational: 2025

Location: Santa Clara, California

Developer: Vantage Data Centers

AWS Hayward Exchange @92 - Building 4

49 MW

Year Operational: 2022

Location: Alameda, California

Developer: Hines

Stack SVY01C

47 MW

Year Operational: 2026

Location: Santa Clara, California

Developer: Stack Infrastructure

Stack SVY01B

42 MW

Year Operational: 2021

Location: Santa Clara, California

Developer: Stack Infrastructure

AWS Mission College DC - Building 1

39 MW

Year Operational: 2023

Location: Santa Clara, California

Developer: Amazon

NTT Sacramento CA2

36 MW

Year Operational: TBD

Location: Sacramento, California

Developer: NTT

Novva San Francisco

36 MW

Year Operational: 2025

Location: San Francisco, California

Developer: Novva

Vantage CA23

35 MW

Year Operational: 2022

Location: Santa Clara, California

Developer: Vantage Data Centers

CoreSite SV9

34 MW

Year Operational: 2025

Location: Santa Clara, California

Developer: CoreSite

Largest Planned Data Centers in California

Imperial Valley AI Data Center

330 MW

Expected Year: TBD

Location: Imperial, California

Developer: Imperial Valley Computer Manufacturing

Edwards AFB Data Center

100 MW

Expected Year: TBD

Location: Kern, California

Ameresco NAS Lemoore Data Center

100 MW

Expected Year: 2027

Location: Kings, California

Developer: CyrusOne

Prologis Zanker Road - Building 1

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Prologis

Alviso-Milpitas San Jose Campus

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Microsoft

Prologis Zanker Road - Building 3

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Prologis

Prologis Silver Creek Valley Road

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Prologis

Prologis Zanker Road - Building 4

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Prologis

Terra Data Center

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Terra Ventures

Frequently Asked Questions

How many data centers are in California?: There are 84 data centers in California, including 52 operating and 31 planned facilities.
What is the total data center capacity in California?: The total data center capacity in California is 3,022 MW, with 997 MW operating and 1,969 MW planned.
What is the largest operating data center in California?: The largest operating data center in California is Vantage CA3, developed by Vantage Data Centers, with a capacity of 83 MW.
What is the largest planned data center in California?: The largest planned data center in California is Imperial Valley AI Data Center, being developed by Imperial Valley Computer Manufacturing, with a planned capacity of 330 MW.
How many data center developers are active in California?: There are 33 unique data center developers with projects in California.

California Data Center Map

Largest Operating Data Centers in California

Vantage CA3

AWS Hayward Exchange @92 - Building 4

Stack SVY01C

Stack SVY01B

AWS Mission College DC - Building 1

NTT Sacramento CA2

Novva San Francisco

Vantage CA23

CoreSite SV9

Largest Planned Data Centers in California

Imperial Valley AI Data Center

Edwards AFB Data Center

Ameresco NAS Lemoore Data Center

Prologis Zanker Road - Building 1

Alviso-Milpitas San Jose Campus

Prologis Zanker Road - Building 3

Prologis Silver Creek Valley Road

Prologis Zanker Road - Building 4

Terra Data Center

Frequently Asked Questions

Explore Data Centers by State

California Data Center Map

Largest Operating Data Centers in California

Vantage CA3

AWS Hayward Exchange @92 - Building 4

Stack SVY01C

Stack SVY01B

AWS Mission College DC - Building 1

NTT Sacramento CA2

Novva San Francisco

Vantage CA23

CoreSite SV9

Largest Planned Data Centers in California

Imperial Valley AI Data Center

Edwards AFB Data Center

Ameresco NAS Lemoore Data Center

Prologis Zanker Road - Building 1

Alviso-Milpitas San Jose Campus

Prologis Zanker Road - Building 3

Prologis Silver Creek Valley Road

Prologis Zanker Road - Building 4

Terra Data Center

Frequently Asked Questions

Explore Data Centers by State