Datacenter Sites in Contra Costa County, California
Contra Costa County has 222 scored datacenter candidate sites averaging 47.3/100 DC Readiness, with a catalogued aggregate of 8,738 MW. FEMA rates local natural-hazard risk as "Relatively High".
At a glance
Contra Costa County, California has 222 scored datacenter candidate sites averaging 47.3/100 DC Readiness, roughly in line with the California average of 45.4. It ranks 15th of 58 California counties by number of sites and 12th by average score. The top-scoring site is EMBARCADERO at 59.8/100.
Site-selection context for Contra Costa County
How does Contra Costa County compare with other counties in California?
By number of scored sites, Contra Costa County ranks 15th of the 58 California counties with a county page, holding 2.6% of the state's 8,490 sites. Its average DC Readiness of 47.3/100 ranks 12th in the state and is about 11% below the national average of 53.0. Nationally it has the 88th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 10 score 55 or higher.
What types of datacenter sites are in Contra Costa County?
Industrial sites are the most common (101, 45% of the county's inventory), followed by substation-adjacent (55) and federal excess (46). 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 Contra Costa County?
Industrial electricity averages 22.93¢/kWh and commercial 29.96¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (48). WRI water stress is high. 6 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 $9,199 an acre.
By site type
Top datacenter sites in Contra Costa County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| EMBARCADERO | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 59.8 |
| BAHIA | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 56.5 |
| SOBRANTE | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 56.5 |
| MORAGA | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 56.4 |
| ROSSMOOR TAP 2 | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 56.0 |
| TECHNICAL ECOLOGICAL S. R. RESEARCH CENTER | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 56.0 |
| ROSSMOOR | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 56.0 |
| TESORO | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 55.6 |
| Phillips 66 Carbon Plant | Brownfield | 60 kV | 27 MW | 7.6 yrs | 55.5 |
| TASSAJARA | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 55.4 |
| OAKLAND I | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 54.9 |
| PITTSBURG | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 54.8 |
| GAYLORD | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 54.7 |
| CONTRA COSTA | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 54.7 |
| BRENT | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 54.3 |
| CONTRA COSTA POWER | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 54.0 |
| WIND DRIVER | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 54.0 |
| LONE TREE | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 53.8 |
| NCPA ALAMEDA | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 53.6 |
| OAKLAND L | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 53.6 |
| MARITIME | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 53.6 |
| OAKLAND D | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 53.5 |
| CARTWRIGHT | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 53.5 |
| OAKLAND X | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 53.4 |
| CLAREMONT | Substation-Adjacent | 115 kV | 100 MW | 7.6 yrs | 53.4 |
Every scored site in Contra Costa County
All 222 sites, best first.
- EMBARCADERO · 59.8
- BAHIA · 56.5
- SOBRANTE · 56.5
- MORAGA · 56.4
- ROSSMOOR TAP 2 · 56.0
- TECHNICAL ECOLOGICAL S. R. RESEARCH CENTER · 56.0
- ROSSMOOR · 56.0
- TESORO · 55.6
- Phillips 66 Carbon Plant · 55.5
- TASSAJARA · 55.4
- OAKLAND I · 54.9
- PITTSBURG · 54.8
- GAYLORD · 54.7
- CONTRA COSTA · 54.7
- BRENT · 54.3
- WIND DRIVER · 54.0
- CONTRA COSTA POWER · 54.0
- LONE TREE · 53.8
- MARITIME · 53.6
- OAKLAND L · 53.6
- NCPA ALAMEDA · 53.6
- OAKLAND D · 53.5
- CARTWRIGHT · 53.5
- JENNEY · 53.4
- OAKLAND X · 53.4
- CLAREMONT · 53.4
- HILLSIDE · 53.3
- OWENS BROCKWAY · 52.6
- PALO SECO · 52.5
- STATION J · 52.5
- EL CERRITO STA G · 52.4
- EAST PORTAL · 52.3
- ORINDA · 52.3
- MEADOW LANE · 52.2
- EC Near Richmond Cogen · dbc59719 · 52.1
- IMHOFF · 52.1
- BOLLMAN · 52.0
- VALLEY VIEW · 51.9
- SAN PABLO · 51.9
- CHRISTIE · 51.8
- OZ Contra Costa · cd6821f8 · 51.8
- ALHAMBRA · 51.6
- EC Near Richmond Cogen · b5f51cdf · 51.6
- OLEUM · 51.6
- UNOCAL · 51.5
- MEADOW LANE TAP · 51.5
- NORTH TOWER TAP · 51.5
- KIRKER TAP 2 · 51.4
- SHELL OIL · 51.4
- CARQUINEZ TAP · 51.3
- NORTH TOWER · 51.3
- MARE ISLAND · 51.3
- Substation-Adjacent site · ca68a5cf · 51.3
- BOLLMAN TAP 1 · 51.1
- EC Near Richmond Cogen · b2014096 · 50.7
- WILLOW PASS · 50.7
- CLAYTON · 50.7
- MCE Solar One (Chevron Richmond Refinery) · 50.6
- Substation-Adjacent site · 4c1889a3 · 50.4
- DOW CHEMICAL · 50.3
- RIVERVIEW · 50.3
- OZ Contra Costa · 6cfa1cfb · 49.9
- EC Near Phillips 66 Carbon Plant · 23443a1b · 49.1
- EC FFE Contra Costa County · 48.2
- El Cerrito Plaza BART · 47.4
- EC Near Phillips 66 Carbon Plant · 68bcb13b · 47.3
- EC Near Phillips 66 Carbon Plant · c2611c93 · 47.1
- San Pablo/Potrero Properties · 46.5
- 22 Carlson Boulevard · 46.4
- 527 South 21st Street · 46.4
- 390 South 34th Street · 46.4
- 2801 Cutting Blvd. · 46.4
- Boorman Park · 46.4
- Miraflores · 46.4
- EC Near Richmond Cogen · 0076e5c8 · 46.4
- 1218 Potrero Avenue · 46.4
- Central Richmond Greenway · 46.3
- Nystrom Village · 46.3
- 355 South 15th Street · 46.3
- 445 23rd Street · 46.3
- 100 38th Street · 46.3
- Former Amot Controls (Howe) · 46.3
- Unity Park Community Garden Site · 46.3
- 435 23rd Street · 46.3
- Richmond Plunge Site · 46.3
- 521 23rd Street · 46.3
- Nevin Plaza · 46.3
- 457 23rd Street · 46.3
- 2111 Grant Avenue · 46.3
- Vernon-Castro Property · 46.2
- 710 23rd Street · 46.2
- Parcel 4 · 46.2
- CHDC - APN 561-162-032 · 46.2
- Rumrill and Market · 46.2
- 648 2nd Street · 46.2
- 3501 Esmond Avenue · 46.2
- Former Richmond Hospital · 46.2
- CHDC - APN 561-162-031 · 46.2
- 670 5th Street · 46.2
- Former Gas Station · 46.2
- Furniture City · 46.2
- 2552 Downer Avenue · 46.2
- CHDC - APN 561-162-034 · 46.2
- 6th Street and Enterprise Avenue Community Garden · 46.2
- 1509 Rumrill BNSF Project · 46.2
- Metro Walk Phase Two Site · 46.2
- Former Church Cleaners · 46.2
- Filbert Street Brownfield Property · 46.2
- 23rd St & Downer Ave · 46.2
- CHDC - APN 561-162-033 · 46.2
- Former Richmond Trailer Park · 46.2
- Richmond Trailer Park · 46.2
- 406 B Street · 46.2
- Hacienda Parking Lot · 46.2
- Fisk Termite · 46.2
- Pennsylvania/Harbour Site #2 · 46.1
- Devon Square · 46.1
- Giant Rd Affordable Hsg Dev (Giant Rd Family Apts) · 46.1
- Pennsylvania/Harbour Site #3 · 46.1
- Former Delmonte Cleaners · 46.1
- Pennsylvania/Harbour Site #4 · 46.1
- Crook Family Industrial Site · 46.1
- Pennsylvania/Harbour Site #5 · 46.1
- Pennsylvania/Harbour Site #1 · 46.1
- Mission Plaza · 46.1
- 2545 Duke Avenue · 46.1
- EC Near Richmond Cogen · 066b87d3 · 46.0
- Proposed Hercules Middle School · 45.8
- Joseph Fishing Marina · 45.7
- Bayo Vista Housing Authority of Contra Costa County · 45.7
- Rodeo, CA - Lone Tree Point · 45.7
- Bennett's Marina · 45.7
- Mine Site · 8fc0b324 · 45.5
- Mine Site · 23c4011a · 45.5
- EC Near Richmond Cogen · be08d725 · 45.4
- Det Concord (BRAC) · 45.4
- VA Northern California Health Care System · 45eb1aca · 45.3
- Former Greenlee's Chevron · 45.2
- NATL CLNL GRMPLSM REPOSITORY · d4fa1f29 · 45.1
- Central Valley Project · 5557463a · 44.8
- EC Near Phillips 66 Carbon Plant · 6f0cdc56 · 44.8
- Central Valley Project · 4d23c81d · 44.7
- Central Valley Project · c6973106 · 44.7
- Central Valley Project · ff00df60 · 44.7
- Central Valley Project · c500e0a0 · 44.7
- Central Valley Project · 3b9a83b4 · 44.7
- Central Valley Project · a163018b · 44.6
- Central Valley Project · 32ec01bd · 44.6
- Central Valley Project · e48d7c36 · 44.6
- Tracy Substation · 4e476883 · 44.6
- Central Valley Project · a8cffea1 · 44.6
- Central Valley Project · 866c1a31 · 44.6
- Central Valley Project · b41b8d7a · 44.6
- Central Valley Project · c7c01f25 · 44.6
- Central Valley Project · cc071d49 · 44.6
- California x Harbor · 44.5
- Bliss x Harbor · 44.5
- Industry Rd Former RR ROW · 44.5
- Central Valley Project · ef2a6f52 · 44.5
- Winter Chevrolet · 44.5
- 8 & 12 Industry Road · 44.5
- Riverview Park · 44.5
- Former NRG · 44.5
- Central Valley Project · 800215cb · 44.5
- Central Valley Project · 012838f2 · 44.5
- Harbor Street City ROW · 44.5
- The Atchison · 44.5
- Central Valley Project · f6512598 · 44.5
- Central Valley Project · 5d5a0862 · 44.4
- Central Valley Project · f40c55c0 · 44.4
- Central Valley Project · 9c5b3d8e · 44.4
- 12 Industry Road · 44.4
- The Berm · 44.4
- Blue Planet · 44.4
- Central Valley Project · b2266ea5 · 44.4
- East 3rd Street Parcels · 44.4
- City-owned APN 073-042-023 · 44.4
- Central Valley Project · d19b5fdf · 44.3
- Antioch Radiator Service · 44.2
- Central Valley Project · 99a54594 · 44.2
- Central Valley Project · cd166df9 · 44.1
- Central Valley Project · b49b98cb · 44.1
- Central Valley Project · 8cccb8a7 · 44.0
- Central Valley Project · 7702f64a · 44.0
- Central Valley Project · 1260150f · 44.0
- Oakley Cement; Bills Auto & Truck Repair · 44.0
- Central Valley Project · 15ebb0d4 · 44.0
- Contra Costa Auto Sales · 43.9
- Wards Auto Service Center · 43.9
- Cruz Construction · 43.9
- Central Valley Project · d3494a53 · 43.9
- Proposed Fourth Middle School Site · 43.9
- Central Valley Project · 9c345cab · 43.9
- Oakley One-Hour Cleaners · 43.9
- Cutino's Feed and Supply/Cutino's Tire Center · 43.9
- Central Valley Project · 58151aab · 43.9
- A & M Auto Repair; Loyds Engineering · 43.9
- Central Valley Project · 11410a44 · 43.9
- Tri-County Auto Recyclers · 43.9
- Suburban Propane · 43.9
- Bay Area Auto Sales · 43.9
- Cook's Battery · 43.9
- M J Automotive · 43.9
- Central Valley Project · 03915c4b · 43.8
- Central Valley Project · 7a611933 · 43.8
- Delta Scrap & Salvage · 43.8
- Central Valley Project · 758a86f7 · 43.8
- Bay Area Pallet; Bonanza Industrial Supply · 43.8
- Contra Costa Auto Salvage · 43.8
- J & M Enterprises · 43.8
- Hardcastle's RV Center; formerly Bly's Produce · 43.8
- Central Valley Project · d1cf33ea · 43.8
- Foundation Constructors · 43.8
- Central Valley Project · 627d272b · 43.7
- Former Pissigoni Towing · 43.7
- PG&E Corp. Yard · 43.7
- Central Valley Project · b93eb020 · 43.5
- Central Valley Project · 6c3f9a2a · 43.4
- Central Valley Project · 96ba60bb · 43.4
- Central Valley Project · 3b0e6321 · 43.3
- EC Near Richmond Cogen · f0201ad8 · 42.9
- OZ Contra Costa · f78103f5 · 41.7
Contra Costa County datacenter FAQ
How many datacenter sites are in Contra Costa County?
222 scored datacenter candidate sites, averaging 47.3/100 DC Readiness. That is the 15th-most of 58 California counties with five or more sites.
What is the highest-scoring datacenter site in Contra Costa County?
EMBARCADERO scores 59.8/100 DC Readiness, the highest of the 222 scored sites in Contra Costa County (a substation-adjacent site).
Does Contra Costa County offer datacenter tax incentives?
No datacenter-specific tax incentive is on record for Contra Costa County in the GridCensus county dataset.
What is the natural-hazard risk in Contra Costa County?
FEMA's National Risk Index rates Contra Costa County as "Relatively High" (score 48).
What are industrial electricity rates in Contra Costa County?
Average industrial electricity is 22.93¢/kWh and commercial is 29.96¢/kWh in Contra Costa 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
- Industrial 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 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Contra Costa County, California”, https://gridcensus.com/datacenter-sites/california/contra-costa-county (data as of November 12, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Contra Costa 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.