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Datacenter Sites in San Luis Obispo County, California

San Luis Obispo County has 36 scored datacenter candidate sites averaging 49.3/100 DC Readiness, with a catalogued aggregate of 4,860 MW. FEMA rates local natural-hazard risk as "Relatively High".

At a glance

San Luis Obispo County, California has 36 scored datacenter candidate sites averaging 49.3/100 DC Readiness, roughly in line with the California average of 45.4. It ranks 46th of 58 California counties by number of sites and 7th by average score. The top-scoring site is DIABLO CANYON at 59.3/100.

36
Candidate sites
49.3/100
Avg DC Readiness
4,860 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in San Luis Obispo County

Site-selection context for San Luis Obispo County

No
Datacenter tax incentive
29.96¢/kWh
Commercial electricity
22.93¢/kWh
Industrial electricity
6
Fiber providers
High
Water stress
$12,118
Land price / acre
1,000
Cooling degree days
2,500
Heating degree days
59°F
Mean annual temp

How does San Luis Obispo County compare with other counties in California?

By number of scored sites, San Luis Obispo County ranks 46th of the 58 California counties with a county page, holding 0.4% of the state's 8,490 sites. Its average DC Readiness of 49.3/100 ranks 7th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1072nd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 3 score 55 or higher.

What types of datacenter sites are in San Luis Obispo County?

Substation-Adjacent sites are the most common (27, 75% of the county's inventory), followed by federal excess (3) and former mine (3). 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 San Luis Obispo 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 $12,118 an acre.

By site type

Top datacenter sites in San Luis Obispo County

Top datacenter sites in San Luis Obispo County
SiteTypeVoltageCapacityQueue waitScore
DIABLO CANYONSubstation-Adjacent500 kV1,000 MW7.6 yrs59.3
FOOTHILLSubstation-Adjacent230 kV300 MW7.6 yrs56.3
MORRO BAYSubstation-Adjacent230 kV300 MW7.6 yrs55.2
MESASubstation-Adjacent230 kV300 MW7.6 yrs54.1
TEMPLETONSubstation-Adjacent230 kV300 MW7.6 yrs53.9
OZ San Luis ObispoGreenfield——7.6 yrs53.7
SAN LUIS OBISPOSubstation-Adjacent115 kV100 MW7.6 yrs53.2
SUNSETSubstation-Adjacent230 kV300 MW7.6 yrs51.9
CALIENTESubstation-Adjacent230 kV300 MW7.6 yrs51.8
SOLARSubstation-Adjacent230 kV300 MW7.6 yrs51.2
CALLENDERSubstation-Adjacent115 kV100 MW7.6 yrs51.0
UNKNOWN306853Substation-Adjacent115 kV100 MW7.6 yrs51.0
McKittrick CogenBrownfield66 kV10 MW7.6 yrs50.7
OCEANOSubstation-Adjacent115 kV100 MW7.6 yrs50.4
SANTA MARIA COGENSubstation-Adjacent115 kV100 MW7.6 yrs50.0
TAP302528Substation-Adjacent115 kV100 MW7.6 yrs49.9
FAIRWAY TAPSubstation-Adjacent115 kV100 MW7.6 yrs49.4
SANTA MARIASubstation-Adjacent115 kV100 MW7.6 yrs49.3
FAIRWAYSubstation-Adjacent115 kV100 MW7.6 yrs49.1
MOBIL SOUTH BELRIDGESubstation-Adjacent115 kV100 MW7.6 yrs48.4
CYMRICSubstation-Adjacent115 kV100 MW7.6 yrs47.8
CAYUCOSSubstation-Adjacent70 kV50 MW7.6 yrs47.7
TEMBLORSubstation-Adjacent115 kV100 MW7.6 yrs47.7
GETTY OILSubstation-Adjacent115 kV100 MW7.6 yrs47.7
UNKNOWN305891Substation-Adjacent115 kV100 MW7.6 yrs47.6

Every scored site in San Luis Obispo County

All 36 sites, best first.

San Luis Obispo County datacenter FAQ

How many datacenter sites are in San Luis Obispo County?

36 scored datacenter candidate sites, averaging 49.3/100 DC Readiness. That is the 46th-most of 58 California counties with five or more sites.

What is the highest-scoring datacenter site in San Luis Obispo County?

DIABLO CANYON scores 59.3/100 DC Readiness, the highest of the 36 scored sites in San Luis Obispo County (a substation-adjacent site).

Does San Luis Obispo County offer datacenter tax incentives?

No datacenter-specific tax incentive is on record for San Luis Obispo County in the GridCensus county dataset.

What is the natural-hazard risk in San Luis Obispo County?

FEMA's National Risk Index rates San Luis Obispo County as "Relatively High" (score 48).

What are industrial electricity rates in San Luis Obispo County?

Average industrial electricity is 22.93¢/kWh and commercial is 29.96¢/kWh in San Luis Obispo County.

More 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 San Luis Obispo County, California”, https://gridcensus.com/datacenter-sites/california/san-luis-obispo-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 San Luis Obispo 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.

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