MCE Solar One (Chevron Richmond Refinery)
BrownfieldContra Costa County, California · CAISO
At a glance
MCE Solar One (Chevron Richmond Refinery) is a brownfield datacenter candidate site in Contra Costa County, California, scoring 50.6/100 DC Readiness — 58th of 222 scored sites in the county. Its nearest substation is BROOKSIDE (1 mi, 60 kV). 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. GridCensus catalogs 11 MW of candidate capacity here.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Site location
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How does MCE Solar One (Chevron Richmond Refinery) compare with other sites in Contra Costa County?
MCE Solar One (Chevron Richmond Refinery) ranks 58th of 222 scored candidate sites in Contra Costa County. Its 50.6/100 is roughly in line with the county average of 47.3. It is about 11% above the California average of 45.4 and roughly in line with the national average of 53.2.
Against the California average, its strongest sub-score is fiber connectivity (67 vs 66) and its weakest is natural hazard (42 vs 51). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is MCE Solar One (Chevron Richmond Refinery) to power, fiber and other datacenters?
The nearest mapped substation, BROOKSIDE, is about 1 miles away and operates at 60 kV. The nearest located transmission bottleneck is 30750_MOSSLD _230_30797_LASAGUIL_230_BR_1 _1 (CAISO), 11 miles away. For connectivity, the nearest internet exchange facility is Evocative Emeryville (EM1) at 8.1 miles. 6 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Open Computing Facility, 7.9 miles away.
What are the flood, water and hazard risks at MCE Solar One (Chevron Richmond Refinery)?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). WRI rates baseline water stress at 3.80 on a 0–5 scale. No mapped wetlands are recorded on the parcel. A Superfund site is nearby (BUDWAY ENTPR INC STEWART WHSE). At the county level, FEMA's National Risk Index rates Contra Costa County "Relatively High".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Contra Costa County, ranked by DC Readiness.
| 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 |
| 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 |
| ROSSMOOR TAP 2 | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 56.0 |
| TESORO | Substation-Adjacent | 230 kV | 300 MW | 7.6 yrs | 55.6 |
MCE Solar One (Chevron Richmond Refinery): common questions
What is the DC Readiness score of MCE Solar One (Chevron Richmond Refinery)?
MCE Solar One (Chevron Richmond Refinery) scores 50.6/100 on the GridCensus DC Readiness scale, rated fair. It ranks 58th of 222 scored sites in Contra Costa County. The Contra Costa County average is 47.3 and the California average is 45.4.
What is the nearest substation to MCE Solar One (Chevron Richmond Refinery)?
The nearest mapped substation is BROOKSIDE, about 1 miles away, at 60 kV. GridCensus catalogs 11 MW of candidate capacity for the site.
Which electric utility serves MCE Solar One (Chevron Richmond Refinery)?
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 MCE Solar One (Chevron Richmond Refinery) in?
MCE Solar One (Chevron Richmond Refinery) is in the CAISO region. Projects interconnecting there have averaged a 7.6-year wait from queue request to operation.
Is MCE Solar One (Chevron Richmond Refinery) in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is MCE Solar One (Chevron Richmond Refinery) from an internet exchange?
The nearest internet exchange facility is Evocative Emeryville (EM1), about 8.1 miles away; 6 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, “MCE Solar One (Chevron Richmond Refinery), Contra Costa County, CA”, https://gridcensus.com/datacenter-sites/california/contra-costa-county/mce-solar-one-chevron-richmond-refinery-c9469e17 (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.
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