Datacenter Sites in Calaveras County, California
Calaveras County has 100 scored datacenter candidate sites averaging 42.0/100 DC Readiness, with a catalogued aggregate of 2,200 MW. FEMA rates local natural-hazard risk as "Relatively High".
At a glance
Calaveras County, California has 100 scored datacenter candidate sites averaging 42.0/100 DC Readiness, roughly in line with the California average of 45.4. It ranks 23rd of 58 California counties by number of sites and 51st by average score. The top-scoring site is MELONES TAP 1 at 52.0/100.
Site-selection context for Calaveras County
How does Calaveras County compare with other counties in California?
By number of scored sites, Calaveras 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 42.0/100 ranks 51st in the state and is about 21% 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 Calaveras County?
Federal Excess sites are the most common (76, 76% of the county's inventory), followed by substation-adjacent (14) and former mine (8). 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 Calaveras County?
Industrial electricity averages 22.37¢/kWh and commercial 29.29¢/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 $4,909 an acre.
By site type
Top datacenter sites in Calaveras County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MELONES TAP 1 | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 52.0 |
| VALLEY SPRINGS | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 51.4 |
| COLLIERVILLE | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 51.3 |
| MELONES | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 51.1 |
| TULLOCH | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 48.0 |
| CHINESE STA | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.1 |
| TAP302702 | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.1 |
| ANGELS | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.1 |
| PEORIA | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.0 |
| FROGTOWN | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.0 |
| TAP310779 | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.0 |
| MURPHY | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.0 |
| RACETRACK | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 47.0 |
| STANISLAUS | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 46.8 |
| OZ Calaveras | Greenfield | — | — | 7.6 yrs | 45.4 |
| Mine Site | Former Mine | — | — | 7.6 yrs | 42.4 |
| EC FFE Calaveras County | Greenfield | — | — | 7.6 yrs | 41.5 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.5 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.5 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.5 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.5 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.5 |
| New Melones Substation | Federal Excess | — | — | 7.6 yrs | 41.5 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.5 |
| Central Valley Project | Federal Excess | — | — | 7.6 yrs | 41.5 |
Every scored site in Calaveras County
All 100 sites, best first.
- MELONES TAP 1 · 52.0
- VALLEY SPRINGS · 51.4
- COLLIERVILLE · 51.3
- MELONES · 51.1
- TULLOCH · 48.0
- ANGELS · 47.1
- Substation-Adjacent site · 6347dc40 · 47.1
- CHINESE STA · 47.1
- RACETRACK · 47.0
- Substation-Adjacent site · 1fe2abeb · 47.0
- FROGTOWN · 47.0
- MURPHY · 47.0
- PEORIA · 47.0
- STANISLAUS · 46.8
- OZ Calaveras · 45.4
- Mine Site · 1d05cbb7 · 42.4
- Central Valley Project · 844d184a · 41.5
- Central Valley Project · 849b8f81 · 41.5
- Central Valley Project · 57ecccc0 · 41.5
- Central Valley Project · 3465a6d1 · 41.5
- EC FFE Calaveras County · 41.5
- Central Valley Project · efa9ad04 · 41.5
- Central Valley Project · 91d6452c · 41.5
- Central Valley Project · 1b8a716c · 41.5
- Central Valley Project · 0674c8a5 · 41.5
- Central Valley Project · 8005d4c8 · 41.5
- New Melones Substation · f88d6071 · 41.5
- Central Valley Project · 40972082 · 41.4
- Central Valley Project · c0234b80 · 41.4
- Central Valley Project · 0828a1d2 · 41.4
- Central Valley Project · 5bcffd5d · 41.4
- Central Valley Project · 98ad5aa4 · 41.4
- Central Valley Project · 2583fdee · 41.3
- Central Valley Project · 35ecd36c · 41.3
- Central Valley Project · 7dc402a3 · 41.3
- Central Valley Project · 922c8b6a · 41.3
- Central Valley Project · 34e87e1a · 41.3
- Central Valley Project · 12d26867 · 41.2
- Central Valley Project · 380fb25e · 41.2
- Central Valley Project · 32213658 · 41.2
- Central Valley Project · bf7e45b7 · 41.2
- Central Valley Project · d104a546 · 41.2
- Mine Site · f6265bb3 · 41.2
- Central Valley Project · 7deb102b · 41.2
- Mine Site · 5ccd3e27 · 41.1
- Central Valley Project · 84af51eb · 41.1
- Mine Site · 7492f26c · 41.1
- Central Valley Project · 5d8484b7 · 41.1
- Mine Site · 3e2cbd80 · 41.1
- Central Valley Project · 89cfe118 · 41.1
- Central Valley Project · 6a056e11 · 41.1
- Central Valley Project · 21f81053 · 41.1
- Central Valley Project · ee8a9b75 · 41.0
- Central Valley Project · 57f66b3a · 41.0
- Mine Site · 9111e800 · 41.0
- Central Valley Project · 4c9955b3 · 41.0
- Central Valley Project · e361c7d7 · 40.9
- Mine Site · e0d14d47 · 40.9
- Mine Site · 858936be · 40.9
- Central Valley Project · c554c0f9 · 40.9
- Central Valley Project · 2ce15fae · 40.9
- Central Valley Project · ce78d742 · 40.9
- Central Valley Project · aa39a454 · 40.9
- Central Valley Project · 607eda6d · 40.9
- Central Valley Project · dc3c6123 · 40.8
- Central Valley Project · 4d35bed2 · 40.8
- Central Valley Project · 93411383 · 40.8
- Central Valley Project · a40aaade · 40.8
- Central Valley Project · 741ca1d6 · 40.8
- Central Valley Project · f2e7d864 · 40.7
- Central Valley Project · 187e319e · 40.7
- Central Valley Project · 5a8ca6cb · 40.7
- Central Valley Project · 329dff5f · 40.7
- Central Valley Project · 22eaee42 · 40.7
- Central Valley Project · 7a29253d · 40.7
- Central Valley Project · d7f7ed87 · 40.7
- Central Valley Project · ea478b0b · 40.7
- Central Valley Project · 31610456 · 40.6
- Central Valley Project · 73e63fed · 40.6
- Central Valley Project · 85c44f04 · 40.6
- Central Valley Project · 902b99e7 · 40.6
- Central Valley Project · c58f04da · 40.6
- Central Valley Project · 8d4c4335 · 40.6
- Central Valley Project · f02bb413 · 40.6
- Central Valley Project · 753f8d02 · 40.6
- Central Valley Project · 30a85621 · 40.6
- Central Valley Project · 4a09c8cb · 40.6
- Central Valley Project · ec2a9254 · 40.6
- Central Valley Project · 09250874 · 40.6
- Central Valley Project · 6a2a2d2e · 40.6
- Central Valley Project · 1a99ae0a · 40.5
- Central Valley Project · 15c2eda6 · 40.5
- Central Valley Project · 2c3eb5f1 · 40.5
- Central Valley Project · 0d31196b · 40.5
- Central Valley Project · 153c21e0 · 40.4
- Central Valley Project · 23405132 · 40.4
- Central Valley Project · 1fc13f03 · 40.2
- Central Valley Project · 17aa4295 · 40.0
- Central Valley Project · 0433c623 · 40.0
- Central Valley Project · 1cd1761f · 39.8
Calaveras County datacenter FAQ
How many datacenter sites are in Calaveras County?
100 scored datacenter candidate sites, averaging 42.0/100 DC Readiness. That is the 23rd-most of 58 California counties with five or more sites.
What is the highest-scoring datacenter site in Calaveras County?
MELONES TAP 1 scores 52.0/100 DC Readiness, the highest of the 100 scored sites in Calaveras County (a substation-adjacent site).
Does Calaveras County offer datacenter tax incentives?
No datacenter-specific tax incentive is on record for Calaveras County in the GridCensus county dataset.
What is the natural-hazard risk in Calaveras County?
FEMA's National Risk Index rates Calaveras County as "Relatively High" (score 48).
What are industrial electricity rates in Calaveras County?
Average industrial electricity is 22.37¢/kWh and commercial is 29.29¢/kWh in Calaveras 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 Calaveras County, California”, https://gridcensus.com/datacenter-sites/california/calaveras-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 Calaveras 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.