california datacenter infrastructure

published: October 16, 2025 •
datacentersgeographycaliforniaai-mlhyperscale
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California datacenter infrastructure

California hosts 25 documented datacenter projects representing undisclosed in disclosed investment and 1.5 GW of power capacity. The state has emerged as a hub for AI/ML infrastructure, attracting hyperscaler investment. Multiple hyperscale operators have established presence in the state.

key statistics

Total Projects25
Total InvestmentUndisclosed
Total Power Capacity1.5 GW
Total Square Footage7,939,216 sq ft
Major Projects (>$1B or >500MW)0

project status breakdown

StatusProjectsPercentage
Expansion14.0%
Operational1456.0%
Planned624.0%
Under Construction416.0%

regional distribution

RegionProjectsPercentage
Silicon Valley1456.0%
Southern California520.0%
Northern California312.0%
Central Valley28.0%
Bay Area14.0%

key developers and operators

top sponsors

SponsorProjects
Vantage Data Centers3
Microsoft Corporation2
Prime Data Centers2
STACK Infrastructure2
Equinix2
CoreSite2
T5 Data Centers2
CyrusOne2
Arcadis1
Terra Ventures1

top operators

OperatorProjects
Vantage Data Centers3
Microsoft Azure2
Prime Data Centers2
STACK Infrastructure2
Equinix2
CoreSite2
T5 Data Centers2
CyrusOne2
Arcadis1
Terra Ventures1

project types

PurposeCount
ai-ml5
cloud8
colocation12
enterprise2
government1
hyperscale15

complete project listing

All 25 documented projects in California:

Click to expand full project table
ProjectLocationStatusInvestmentPowerSponsors
CalEthos Lithium Valley Data Center CampusLithium Valley, Imperial CountyPlannedN/A420 MWCalEthos
Amazon AWS Gilroy Data CenterGilroy, Santa Clara CountyPlannedN/A100 MWAmazon Data Services
CyrusOne Naval Air Station LemooreLemoore, Kings CountyPlannedN/A100 MWCyrusOne, Ameresco, US Navy
Microsoft San Jose Data CenterSan Jose, Santa Clara CountyUnder ConstructionN/A99 MWMicrosoft Corporation
CyrusOne Santa Clara (SCV1)Santa Clara, Santa Clara CountyOperationalN/A96 MWCyrusOne
Vantage Data Centers Santa Clara I (CA1)Santa Clara, Santa Clara CountyOperationalN/A77 MWVantage Data Centers
STACK Infrastructure Hayward (SVY03A)Hayward, Alameda CountyPlannedN/A76 MWSTACK Infrastructure
Vantage Data Centers Santa Clara II (CA2)Santa Clara, Santa Clara CountyOperationalN/A75 MWVantage Data Centers
EdgeCore Silicon Valley CampusSanta Clara, Santa Clara CountyUnder ConstructionN/A72 MWEdgeCore Digital Infrastructure, Partners Group
Vantage Data Centers Santa Clara III (CA3)Santa Clara, Santa Clara CountyUnder ConstructionN/A64 MWVantage Data Centers
STACK Infrastructure San Jose ExpansionSan Jose, Santa Clara CountyUnder ConstructionN/A60 MWSTACK Infrastructure
Digital Realty SC1 Santa ClaraSanta Clara, Santa Clara CountyOperationalN/A60 MWDigital Realty
NTT Global Data Centers Sacramento CampusSacramento, Sacramento CountyOperationalN/A52 MWNTT Global Data Centers
T5 Silicon Valley (Newark)Newark, Alameda CountyExpansionN/A49 MWT5 Data Centers
Equinix SV12x (xScale)San Jose, Santa Clara CountyOperationalN/A28 MWEquinix, PGIM Real Estate
Prime Data Centers Sacramento Expansion (Building Two)Sacramento, Sacramento CountyPlannedN/A18 MWPrime Data Centers
T5 Los Angeles (El Segundo)El Segundo, Los Angeles CountyOperationalN/A15 MWT5 Data Centers
Equinix SV10San Jose, Santa Clara CountyOperationalN/A14 MWEquinix
QTS Sacramento (SAC1)Sacramento, Sacramento CountyOperationalN/A9 MWQTS Data Centers
CoreSite LA3Los Angeles, Los Angeles CountyOperationalN/A6 MWCoreSite
Arcadis/Terra Ventures San Jose Sustainable Data CenterSan Jose, Santa Clara CountyPlannedN/AN/AArcadis, Terra Ventures
Prime Data Centers Vernon (LAX01-01)Vernon, Los Angeles CountyOperationalN/AN/APrime Data Centers
CoreSite SV9San Jose, Santa Clara CountyOperationalN/AN/ACoreSite
Google Los Angeles RegionLos Angeles, Los Angeles CountyOperationalN/AN/AGoogle
Microsoft Azure FresnoFresno, Fresno CountyOperationalN/AN/AMicrosoft Corporation

data current as of October 2025

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