DIABLO CANYON

Substation-Adjacent

San Luis Obispo County, California · WECC

DC Readiness
67.9
Good / 100

DIABLO CANYON is a substation-adjacent datacenter candidate site in San Luis Obispo County, California, interconnecting through WECC. It screens at 67.9/100 DC Readiness with a catalogued 1,000 MW of candidate capacity and a 5.8 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationDIABLO CANYON
Substation distance0.0 mi
Substation voltage500 kV
Available capacity1,000 MW
Utility commercial rate0.30¢/kWh

Speed to power

ISO / RTO regionWECC
Queue depth74
Avg queue wait5.8 yrs
Recent queue wait5.8 yrs
Completion rate10%
Withdrawal rate90%

Connectivity

Nearest IXPH5 Data Centers San Luis Obispo
IXP distance12.0 mi
Fiber providers5
Fiber coverage24.1%
Nearest cloud providerAWS
Nearest cloud regionus-west-1
Cloud region distance157.6 mi

Site characteristics

Parcel ownerPACIFIC GAS & ELECTRIC COMPANY
Land owner typeprivate
Buildability100.0/100
Land cover (NLCD)Developed, High Intensity

Risk & environment

Flood zoneZone X
Water stress (WRI)3.80
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund sitePACIFIC GAS ELECTRIC DIABLO CANYON POWER PLANT
Hazard sub-score42/100
Construction cost index94.1 (avg 100)

Location context

Nearest datacenterDigital West Data Center
DC distance11.9 mi
Nearest rail11.5 mi
Nearest gas pipeline11.9 mi
Nearest fiber route89.4 mi
County hazard (FEMA NRI)Relatively High (48)
DC tax incentiveNo
Commercial electricity29.96¢/kWh
Industrial electricity22.93¢/kWh
Cooling degree days1,000
Heating degree days2,500
Land price / acre$12,118

Full DC Readiness breakdown

All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.

Power availability20%
100
Speed to power15%
29
Fiber connectivity12%
66
Energy cost10%
95
Water risk8%
50
Natural hazard8%
42
Buildability7%
100
Labor market4%
50
DC cluster4%
85
Land / acreage3%
50
Construction cost3%
72
Gas pipeline2%
62
Tax incentive2%
0
Climate / cooling2%
75

Nearby comparable sites

Other scored datacenter candidate sites in San Luis Obispo County, ranked by DC Readiness.

Sites near DIABLO CANYON
SiteTypeVoltageCapacityQueue waitScore
Greenfield (MIDWAY - DIABLO CANYON)Greenfield500 kV1,000 MW5.8 yrs62.1
Greenfield (MIDWAY - DIABLO CANYON)Greenfield500 kV1,000 MW5.8 yrs61.1
Greenfield (MIDWAY - DIABLO CANYON)Greenfield500 kV1,000 MW5.8 yrs60.8
Greenfield (MIDWAY - DIABLO CANYON)Greenfield500 kV1,000 MW5.8 yrs60.2
Greenfield (MIDWAY - DIABLO CANYON)Greenfield500 kV1,000 MW5.8 yrs59.1
CALIENTESubstation-Adjacent230 kV300 MW5.8 yrs59.0
SUNSETSubstation-Adjacent230 kV300 MW5.8 yrs59.0
Greenfield (MIDWAY - DIABLO CANYON)Greenfield500 kV1,000 MW5.8 yrs58.8

Dataset updated . Screening estimates derived from public data sources.

Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for DIABLO CANYON, San Luis Obispo County. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.