EC Near Phillips 66 Carbon Plant
GreenfieldContra Costa County, California · CAISO
At a glance
EC Near Phillips 66 Carbon Plant is a greenfield datacenter candidate site in Contra Costa County, California, scoring 49.1/100 DC Readiness — 63rd of 222 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
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
Get alerts
Track EC Near Phillips 66 Carbon Plant
Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.
How does EC Near Phillips 66 Carbon Plant compare with other sites in Contra Costa County?
EC Near Phillips 66 Carbon Plant ranks 63rd of 222 scored candidate sites in Contra Costa County. Its 49.1/100 is roughly in line with the county average of 47.3. It is roughly in line with 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 water (50 vs 27) and its weakest is natural hazard (32 vs 51). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is EC Near Phillips 66 Carbon Plant to power, fiber and other datacenters?
The nearest located transmission bottleneck is 30750_MOSSLD _230_30797_LASAGUIL_230_BR_1 _1 (CAISO), 18 miles away. For connectivity, the nearest internet exchange facility is Evocative Emeryville (EM1) at 6.4 miles. 6 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Open Computing Facility, 4.3 miles away.
What are the flood, water and hazard risks at EC Near Phillips 66 Carbon Plant?
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. The parcel overlaps designated critical habitat (Alameda whipsnake (=striped racer) (Final)). 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 |
EC Near Phillips 66 Carbon Plant: common questions
What is the DC Readiness score of EC Near Phillips 66 Carbon Plant?
EC Near Phillips 66 Carbon Plant scores 49.1/100 on the GridCensus DC Readiness scale, rated fair. It ranks 63rd of 222 scored sites in Contra Costa County. The Contra Costa County average is 47.3 and the California average is 45.4.
Which electric utility serves EC Near Phillips 66 Carbon Plant?
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 EC Near Phillips 66 Carbon Plant in?
EC Near Phillips 66 Carbon Plant is in the CAISO region. Projects interconnecting there have averaged a 7.6-year wait from queue request to operation.
Is EC Near Phillips 66 Carbon Plant in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
Who owns EC Near Phillips 66 Carbon Plant?
Parcel records list the owner as PACIFIC GAS & ELECTRIC COMPANY (private land).
How far is EC Near Phillips 66 Carbon Plant from an internet exchange?
The nearest internet exchange facility is Evocative Emeryville (EM1), about 6.4 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, “EC Near Phillips 66 Carbon Plant, Contra Costa County, CA”, https://gridcensus.com/datacenter-sites/california/contra-costa-county/ec-near-phillips-66-carbon-plant-23443a1b (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 EC Near Phillips 66 Carbon Plant, Contra Costa County 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.