Skip to content
Gridcensus

Solano Project at 38.615, -122.321

Federal Excess

Napa, California · CAISO

DC Readiness
41.5
Fair / 100

At a glance

Solano Project at 38.615, -122.321 is a federal excess datacenter candidate site in Napa, California, scoring 41.5/100 DC Readiness — 62nd of 72 scored sites in the county. It sits in the CAISO grid region and the PACIFIC GAS & ELECTRIC CO. service territory, where interconnection has averaged 7.6 years from request to operation.

Power & interconnection

UtilityPACIFIC GAS & ELECTRIC CO.investor ownedrestrictive to large load · terms ≥ 50 MW

Speed to power

Interconnection outlookConstrained
≈ 8.3 yrs typical interconnection wait

Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.

ISO / RTO regionCAISO
Queue depth227
Avg queue wait7.6 yrs
Recent queue wait8.3 yrs
Completion rate11%
Withdrawal rate89%

Connectivity

Nearest IXPX2nSat Petaluma
IXP distance30.0 mi
Fiber providers2
Fiber coverage21.4%

Site characteristics

Acreage42 ac
Buildable load (est.)~17–42 MWland-based
Former useReclamation and Irrigation

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)High
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score52/100

Location context

Nearest datacenterKaiser Data Center
DC distance25.0 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$61,295

Regulatory climate

Moderatestate posture · as of 2026-08

No notable statewide DC restriction on record; confirm local zoning and utility tariffs.

DC tax incentiveNo / suspended

Site location

◆ Loading map…
≥ 7560–7540–60≤ 40
This site + 8 nearby

Get alerts

Track Solano Project

Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.

No spam. Just the alerts you asked for.

How does Solano Project at 38.615, -122.321 compare with other sites in Napa?

Solano Project at 38.615, -122.321 ranks 62nd of 72 scored candidate sites in Napa. Its 41.5/100 is roughly in line with the county average of 43.5. It is roughly in line with the California average of 45.4 and about 22% below the national average of 53.2.

Against the California average, its strongest sub-score is natural hazard (52 vs 51) and its weakest is fiber connectivity (49 vs 66). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.

How close is Solano Project at 38.615, -122.321 to power, fiber and other datacenters?

The nearest located transmission bottleneck is 31334_CLER LKE_60.0_31338_KONOCTI6_60.0_BR_1 _1 (CAISO), 41 miles away. For connectivity, the nearest internet exchange facility is X2nSat Petaluma at 30 miles. 2 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Kaiser Data Center, 25 miles away.

What are the flood, water and hazard risks at Solano Project at 38.615, -122.321?

At the county level, FEMA's National Risk Index rates Napa "Relatively High".

Full DC Readiness breakdown

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

Power availability20%
30
Speed to power20%
43
Fiber connectivity12%
49
Energy cost10%
50
Water risk7%
24
Natural hazard6%
52
Buildability7%
50
Labor market4%
50
DC cluster4%
60
Land / acreage3%
32
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
0
Climate / cooling1%
75

Nearby comparable sites

Other scored datacenter candidate sites in Napa, ranked by DC Readiness.

Sites near Solano Project at 38.615, -122.321
SiteTypeVoltageCapacityQueue waitScore
OAKMONT SOUTHSubstation-Adjacent230 kV300 MW7.6 yrs55.0
OAKMONT NORTHSubstation-Adjacent230 kV300 MW7.6 yrs54.9
SONOMASubstation-Adjacent115 kV100 MW7.6 yrs50.9
NAPASubstation-Adjacent115 kV100 MW7.6 yrs50.8
OZ NapaGreenfield——7.6 yrs50.2
PUEBLOSubstation-Adjacent115 kV100 MW7.6 yrs49.9
SILVERADOSubstation-Adjacent115 kV100 MW7.6 yrs49.4
EC Near Coca Cola American CanyonGreenfield——7.6 yrs48.3

Solano Project at 38.615, -122.321: common questions

What is the DC Readiness score of Solano Project at 38.615, -122.321?

Solano Project at 38.615, -122.321 scores 41.5/100 on the GridCensus DC Readiness scale, rated fair. It ranks 62nd of 72 scored sites in Napa. The Napa average is 43.5 and the California average is 45.4.

Which electric utility serves Solano Project at 38.615, -122.321?

PACIFIC GAS & ELECTRIC CO. (investor owned) holds the retail service territory that contains the site; its holding company is PACIFIC GAS & ELECTRIC CORPORATION.

What grid region is Solano Project at 38.615, -122.321 in?

Solano Project at 38.615, -122.321 is in the CAISO region. Projects interconnecting there have averaged a 7.6-year wait from queue request to operation.

How far is Solano Project at 38.615, -122.321 from an internet exchange?

The nearest internet exchange facility is X2nSat Petaluma, about 30 miles away; 2 fiber providers report service at the location.

Related pages

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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Solano Project at 38.615, -122.321, Napa, CA”, https://gridcensus.com/datacenter-sites/california/napa/solano-project-a783ecdc (data as of October 10, 2026).

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

Every site and score for Solano Project at 38.615, -122.321, Napa 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.