California · data as of 1 Nov 2026
California: 1.6+ GW of existing data centers. 1.9+ GW in the pipeline.
211 projects tracked from county filings, state records and news. Status and permit facts link to their sources.
We haven't yet searched California for data center projects beyond the ones we track here.
Operating
1.6+ GW
178 projects
Under construction
523+ MW
12 projects
Planned
1.3+ GW
19 projects
Proposed projects; not all will be built.
211
Projects tracked
all stages
10
Counties and cities with a project
see the table below
Projects by stage
| Stage | Projects | MW |
|---|---|---|
| Announced | 2 projects | 100–500 MW |
| Land & zoning | 9 projects | 613 MW |
| Power secured | 4 projects | 519 MW |
| Permitted | 4 projects | 96+ MW |
| Under construction | 11 projects | 518+ MW |
| Energised | 1 project | under 100 MW |
| Operating | 178 projects | 1.6+ GW |
| Withdrawn | 2 projects | 100–500 MW |
| Total | 211 projects | 3.6+ GW |
+ = at least. MW includes Grounded Compute research (Q2 2026) where no public source gives a value.
Where the pipeline is
Counties shaded by MW
211 of 211 projects mapped · locations from our project list · as of 1 Nov 2026
County shading
- Under 500 MW
- 500–2,000 MW
- 2,000+ MW
Data center projects
- Planned
- Permitted
- Under construction
- Operating
- Withdrawn
Pin size: MW
Counties with the most MW
+ = at least
- Santa Clara2.5+ GW
119 projects - Los Angeles488+ MW
46 projects - Alameda304+ MW
11 projects - Sacramento91 MW
9 projects - San Francisco66 MW
5 projects - Orange52 MW
8 projects - San Diego18 MW
10 projects - Contra Costaunder 100 MW
1 project
Moratoriums
As of 31 Oct 2026, we count at least 30 local data center pauses in force in California, 2 bans and 16 proposals, across its counties and cities. At state level: checked, nothing found.
California moratorium tracker: every row with its sourceCounties with a project (10)
Counties with 3 or more projects have their own page
| County | Projects | Under construction or operating | MW |
|---|---|---|---|
| Santa Clara County | 119 | 106 | 2.5+ GW |
| Los Angeles County | 46 | 40 | 488+ MW |
| Alameda County | 11 | 10 | 304+ MW |
| San Diego County | 10 | 10 | 18 MW |
| Sacramento County | 9 | 9 | 91 MW |
| Orange County | 8 | 8 | 52 MW |
| San Francisco County | 5 | 5 | 66 MW |
| Contra Costa County | 1 | 0 | under 100 MW |
| San Joaquin County | 1 | 1 | under 100 MW |
| San Luis Obispo County | 1 | 1 | under 100 MW |
| 10 counties | 211 | 190 | Calculated |
Projects
5 projects named free · 206 more in the California file
| Developer · address | County | Stage | MW range | Dates | ID |
|---|---|---|---|---|---|
| Digital Realty · 720 2nd Street, Oakland | Alameda County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-ALA-0001 |
| Evocative · 1400 65th Street, Suite 150, Emeryville | Alameda County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-ALA-0002 |
| Hurricane Electric · 48233 Warm Springs Boulevard, Fremont | Alameda County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-ALA-0003 |
| Hurricane Electric · 760 Mission Court, Fremont | Alameda County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-ALA-0004 |
| Prime Data Centers · 26415 Corporate Avenue, Hayward | Alameda County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-ALA-0006 |
| Developer and address: in the paid file | Alameda County | Operating | MW not reported | First recorded 25 Oct 2026 | CA-ALA-0005 |
| Developer and address: in the paid file | Alameda County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-ALA-0007 |
| Developer and address: in the paid file | Alameda County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-ALA-0010 |
| Developer and address: in the paid file | Alameda County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-ALA-0011 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0001 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0002 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0003 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0004 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0005 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0006 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0007 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0008 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0009 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0010 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0011 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0012 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0013 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0014 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0015 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0016 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0017 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0018 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0019 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0020 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0021 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0022 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | Last change 1 Nov 2026 | CA-LOS-0023 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0024 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0025 |
| Developer and address: in the paid file | Los Angeles County | Operating | MW not reported | First recorded 25 Oct 2026 | CA-LOS-0026 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0027 |
| Developer and address: in the paid file | Los Angeles County | Operating | MW not reported | First recorded 25 Oct 2026 | CA-LOS-0028 |
| Developer and address: in the paid file | Los Angeles County | Operating | MW not reported | First recorded 25 Oct 2026 | CA-LOS-0029 |
| Developer and address: in the paid file | Los Angeles County | Operating | under 100 MW | First recorded 25 Oct 2026 | CA-LOS-0030 |
| Developer and address: in the paid file | Los Angeles County | Operating | MW not reported | First recorded 25 Oct 2026 | CA-LOS-0031 |
| 171 more projects load as you scroll | |||||
206 more projects: names, developers and sources in the California file →
FAQ
- How many data centers are under construction in California?
- 11 of 211, as of 1 Nov 2026. 178 more operating.
- How much data center capacity is in California's pipeline?
- 1.9+ GW in the pipeline (523+ MW under construction, 1.3+ GW planned), and 1.6+ GW operating. These are floors: where no public source gives a MW value, the total uses Grounded Compute research (Q2 2026).
- Which California county has the most data center projects?
- Santa Clara County: 119 projects.
Cite this page
Source: Grounded Compute, California data centers, 1 Nov 2026. https://groundedcompute.com/us/california
The California file: every tracked project, with its sources
- California file: every project named, with developer and address
- MW, and source links on status and permit fields
- Excel workbook + CSV, refreshed monthly
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