How many data centers are in California?

There are 106 data centers in California, including 69 operating and 36 planned facilities.

What is the total data center capacity in California?

The total data center capacity in California is 3,624 MW, with 1,182 MW operating and 2,387 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 34 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 69 operating data centers in California with a combined capacity of 1,182 MW, and 36 planned projects that would add 2,387 MW of additional capacity. Explore the map and tables below for details.

Total Data Centers

106

Operating Data Centers

Planned Data Centers

Operating Capacity

1,182 MW

Planned Capacity

2,387 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

Digital Realty Silicon Valley SC1 - Phase I & II

49 MW

Year Operational: 2011

Location: Santa Clara, California

Developer: Digital Realty

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

Largest Planned Data Centers in California

Imperial Valley AI Data Center

330 MW

Expected Year: TBD

Location: Imperial, California

Developer: Imperial Valley Computer Manufacturing

Google San Jose - Building 1

125 MW

Expected Year: 2029

Location: Santa Clara, California

Developer: Google

Google San Jose - Building 2

125 MW

Expected Year: 2029

Location: Santa Clara, California

Developer: Google

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

Terra Data Center

99 MW

Expected Year: 2029

Location: Santa Clara, California

Developer: Terra Ventures

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

Prologis Zanker Road - Building 3

99 MW

Expected Year: TBD

Location: Santa Clara, California

Developer: Prologis

Frequently Asked Questions

How many data centers are in California?: There are 106 data centers in California, including 69 operating and 36 planned facilities.
What is the total data center capacity in California?: The total data center capacity in California is 3,624 MW, with 1,182 MW operating and 2,387 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 34 unique data center developers with projects in California.

California Data Center Map

Largest Operating Data Centers in California

Vantage CA3

Digital Realty Silicon Valley SC1 - Phase I & II

AWS Hayward Exchange @92 - Building 4

Stack SVY01C

Stack SVY01B

AWS Mission College DC - Building 1

NTT Sacramento CA2

Novva San Francisco

Vantage CA23

Largest Planned Data Centers in California

Imperial Valley AI Data Center

Google San Jose - Building 1

Google San Jose - Building 2

Edwards AFB Data Center

Ameresco NAS Lemoore Data Center

Terra Data Center

Prologis Silver Creek Valley Road

Prologis Zanker Road - Building 4

Prologis Zanker Road - Building 3

Frequently Asked Questions

Explore Data Centers by State

California Data Center Map

Largest Operating Data Centers in California

Vantage CA3

Digital Realty Silicon Valley SC1 - Phase I & II

AWS Hayward Exchange @92 - Building 4

Stack SVY01C

Stack SVY01B

AWS Mission College DC - Building 1

NTT Sacramento CA2

Novva San Francisco

Vantage CA23

Largest Planned Data Centers in California

Imperial Valley AI Data Center

Google San Jose - Building 1

Google San Jose - Building 2

Edwards AFB Data Center

Ameresco NAS Lemoore Data Center

Terra Data Center

Prologis Silver Creek Valley Road

Prologis Zanker Road - Building 4

Prologis Zanker Road - Building 3

Frequently Asked Questions

Explore Data Centers by State