Datacenter Sites in Tuolumne County, California
Tuolumne County has 100 scored datacenter candidate sites averaging 41.5/100 DC Readiness, with a catalogued aggregate of 1,100 MW. FEMA rates local natural-hazard risk as "Relatively High".
At a glance
Tuolumne County, California has 100 scored datacenter candidate sites averaging 41.5/100 DC Readiness, roughly in line with the California average of 45.4. It ranks 23rd of 58 California counties by number of sites and 52nd by average score. The top-scoring site is Substation-Adjacent site · 40a58fcd at 47.6/100.
Site-selection context for Tuolumne County
How does Tuolumne County compare with other counties in California?
By number of scored sites, Tuolumne County ranks 23rd of the 58 California counties with a county page, holding 1.2% of the state's 8,490 sites. Its average DC Readiness of 41.5/100 ranks 52nd in the state and is about 22% below the national average of 53.0. Nationally it has the 322nd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 0 score 55 or higher.
What types of datacenter sites are in Tuolumne County?
Federal Excess sites are the most common (83, 83% of the county's inventory), followed by substation-adjacent (11) and former mine (4). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Tuolumne County?
Industrial electricity averages 21.43¢/kWh and commercial 27.92¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (48). WRI water stress is high. 4 fiber providers report service in the county. The climate runs 1,000 cooling degree days a year with a mean temperature of 59°F. Land is valued around $4,337 an acre.
By site type
Top datacenter sites in Tuolumne County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN302149 | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.6 |
| SIERRA PACIFIC INDUSTRIES | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.0 |
| MI-WUK | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 46.9 |
| NEW MOCCASIN CR | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 46.9 |
| SPRING GAP TAP | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 46.8 |
| EARLY INTAKE | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 46.7 |
| SPRING GAP | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 46.7 |
| SANDBAR | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 46.6 |
| BEARDSLEY | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 45.9 |
| BEARDSLEY TAP | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 45.9 |
| DONNELLS-CURTIS | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 45.8 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.4 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.3 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.3 |
Every scored site in Tuolumne County
All 100 sites, best first.
- Substation-Adjacent site · 40a58fcd · 47.6
- SIERRA PACIFIC INDUSTRIES · 47.0
- NEW MOCCASIN CR · 46.9
- MI-WUK · 46.9
- SPRING GAP TAP · 46.8
- EARLY INTAKE · 46.7
- SPRING GAP · 46.7
- SANDBAR · 46.6
- BEARDSLEY · 45.9
- BEARDSLEY TAP · 45.9
- DONNELLS-CURTIS · 45.8
- Central Valley Project · 2c1d9ff4 · 41.4
- Central Valley Project · 7f29836a · 41.4
- Central Valley Project · a4aeae23 · 41.4
- Central Valley Project · bada5f5b · 41.4
- Central Valley Project · fdf332d3 · 41.4
- Central Valley Project · 57d5f5dc · 41.4
- Central Valley Project · f1073908 · 41.4
- Central Valley Project · cfb8dab6 · 41.4
- Central Valley Project · 53f787a5 · 41.4
- Central Valley Project · 8917cfc1 · 41.4
- Central Valley Project · f4faa5d2 · 41.4
- Central Valley Project · 25cf93f8 · 41.4
- Central Valley Project · 520e1f30 · 41.3
- Central Valley Project · 3dedf81a · 41.3
- Central Valley Project · de7a1c2e · 41.3
- Central Valley Project · a6b45d9b · 41.3
- Central Valley Project · af3faa3a · 41.3
- Central Valley Project · 442df399 · 41.3
- Central Valley Project · 7b47def7 · 41.3
- Central Valley Project · 90955383 · 41.3
- Central Valley Project · ce7011a5 · 41.3
- Central Valley Project · 17540619 · 41.3
- Central Valley Project · 829c5ebc · 41.3
- Central Valley Project · ccecebc9 · 41.2
- Central Valley Project · dc15ba8e · 41.2
- Central Valley Project · 4ad093a5 · 41.2
- Central Valley Project · a314aeec · 41.2
- Central Valley Project · 99a03df3 · 41.2
- Central Valley Project · 44786833 · 41.2
- Central Valley Project · 69361d2d · 41.2
- Friant Division, CVP · 303b9f51 · 41.2
- Central Valley Project · 53a83f5f · 41.1
- Mine Site · 89a9cf38 · 41.0
- Mine Site · f83f4cfb · 41.0
- Mine Site · f82ece99 · 41.0
- Central Valley Project · 800b85ff · 41.0
- Central Valley Project · 6a45d5b9 · 40.9
- Central Valley Project · 7593fb10 · 40.9
- Central Valley Project · bfda957e · 40.9
- Central Valley Project · 4d9f8bb6 · 40.8
- Central Valley Project · 5b4aca74 · 40.8
- Central Valley Project · 6b94a064 · 40.8
- Central Valley Project · 5a6a1c9a · 40.8
- Central Valley Project · 74d7222e · 40.7
- Central Valley Project · d7aab483 · 40.7
- Central Valley Project · 8ccf648b · 40.7
- Central Valley Project · 7b5fb65b · 40.7
- Central Valley Project · 911dae62 · 40.7
- Central Valley Project · 7fe18957 · 40.7
- Central Valley Project · a298dde8 · 40.7
- Central Valley Project · 5ea7280c · 40.7
- Central Valley Project · 284e2679 · 40.7
- Central Valley Project · 012b92ea · 40.7
- Central Valley Project · 98a09617 · 40.7
- EC FFE Tuolumne County · 40.7
- Central Valley Project · ef3ea20e · 40.7
- Central Valley Project · 84e1f81f · 40.6
- Central Valley Project · 83135cb1 · 40.6
- Central Valley Project · 6ee9cb37 · 40.6
- Central Valley Project · 8adac4b2 · 40.6
- Central Valley Project · 8a6df04c · 40.6
- Central Valley Project · 5a1d57fa · 40.6
- Central Valley Project · 3adeeee6 · 40.6
- Central Valley Project · aec116af · 40.6
- Central Valley Project · 4240698d · 40.6
- Central Valley Project · 41d24bce · 40.6
- Central Valley Project · e42ace5f · 40.6
- Central Valley Project · 0c8dd541 · 40.6
- Central Valley Project · 2e2bc0ce · 40.6
- Central Valley Project · 4a25350b · 40.5
- Central Valley Project · d148e0bf · 40.5
- Central Valley Project · d92498e4 · 40.5
- Central Valley Project · 5d3063cc · 40.5
- Central Valley Project · 691b216a · 40.5
- Central Valley Project · 4523297a · 40.5
- Central Valley Project · 4700e43b · 40.5
- Central Valley Project · 2e34fb39 · 40.5
- Central Valley Project · a0a5e60e · 40.5
- Central Valley Project · a6738d69 · 40.4
- Central Valley Project · 699bca7c · 40.4
- Central Valley Project · aca70fc2 · 40.4
- Central Valley Project · 37e074bb · 40.4
- Central Valley Project · 115468bd · 40.3
- Central Valley Project · 1cdea6ec · 40.3
- Central Valley Project · 543f27dc · 40.3
- Central Valley Project · 65187140 · 40.3
- Central Valley Project · 90473cc7 · 40.3
- Mine Site · 3d1a8208 · 40.2
- OZ Tuolumne · 40.0
Tuolumne County datacenter FAQ
How many datacenter sites are in Tuolumne County?
100 scored datacenter candidate sites, averaging 41.5/100 DC Readiness. That is the 23rd-most of 58 California counties with five or more sites.
What is the highest-scoring datacenter site in Tuolumne County?
Substation-Adjacent site · 40a58fcd scores 47.6/100 DC Readiness, the highest of the 100 scored sites in Tuolumne County (a substation-adjacent site).
Does Tuolumne County offer datacenter tax incentives?
No datacenter-specific tax incentive is on record for Tuolumne County in the GridCensus county dataset.
What is the natural-hazard risk in Tuolumne County?
FEMA's National Risk Index rates Tuolumne County as "Relatively High" (score 48).
What are industrial electricity rates in Tuolumne County?
Average industrial electricity is 21.43¢/kWh and commercial is 27.92¢/kWh in Tuolumne County.
More in California
- All datacenter sites in California· 8,490 sites
- Operating datacenters in California
- Electric substations in California
- Los Angeles County· 691 sites · avg 49.8
- Fresno County· 628 sites · avg 43.8
- San Diego· 550 sites · avg 47.7
- Riverside County· 376 sites · avg 45.5
- Yolo County· 363 sites · avg 46.7
- Alameda· 313 sites · avg 49.4
- Federal Excess sites in California
- Substation-Adjacent sites in California
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Tuolumne County, California”, https://gridcensus.com/datacenter-sites/california/tuolumne-county (data as of November 13, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Tuolumne County, California is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.