EC Near Sinclair Oil Refinery
GreenfieldCarbon County, Wyoming · WECC
At a glance
EC Near Sinclair Oil Refinery is a greenfield datacenter candidate site in Carbon County, Wyoming, scoring 50.2/100 DC Readiness — 30th of 99 scored sites in the county. It sits in the WECC grid region, where interconnection has averaged 3.5 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
Low-cost power and land; DC-friendly posture.
Incentive detail: No state corporate or personal income tax; low property taxes.
Site location
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How does EC Near Sinclair Oil Refinery compare with other sites in Carbon County?
EC Near Sinclair Oil Refinery ranks 30th of 99 scored candidate sites in Carbon County. Its 50.2/100 is roughly in line with the county average of 50.1. It is roughly in line with the Wyoming average of 52.2 and roughly in line with the national average of 53.2.
Against the Wyoming average, its strongest sub-score is natural hazard (90 vs 89) and its weakest is fiber connectivity (9 vs 58). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is EC Near Sinclair Oil Refinery to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Mountain West Technologies - Casper at 90 miles. 3 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Mountain West Technologies - Casper, 90 miles away.
What are the flood, water and hazard risks at EC Near Sinclair Oil 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 2.60 on a 0–5 scale. No mapped wetlands are recorded on the parcel. At the county level, FEMA's National Risk Index rates Carbon County "Very Low".
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 Carbon County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Sinclair Oil Refinery | Brownfield | — | 5 MW | 3.5 yrs | 61.1 |
| SEMINOE | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 58.7 |
| UNKNOWN201479 | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 58.6 |
| FREEZEOUT | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 58.4 |
| UNKNOWN202491 | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 58.3 |
| UNKNOWN201482 | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 57.9 |
| MINERS | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 57.9 |
| ECHO SPRINGS | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 57.7 |
EC Near Sinclair Oil Refinery: common questions
What is the DC Readiness score of EC Near Sinclair Oil Refinery?
EC Near Sinclair Oil Refinery scores 50.2/100 on the GridCensus DC Readiness scale, rated fair. It ranks 30th of 99 scored sites in Carbon County. The Carbon County average is 50.1 and the Wyoming average is 52.2.
What grid region is EC Near Sinclair Oil Refinery in?
EC Near Sinclair Oil Refinery is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
Is EC Near Sinclair Oil Refinery 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 Sinclair Oil Refinery?
Parcel records list the owner as PACIFICORP (private land).
How far is EC Near Sinclair Oil Refinery from an internet exchange?
The nearest internet exchange facility is Mountain West Technologies - Casper, about 90 miles away; 3 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 Sinclair Oil Refinery, Carbon County, WY”, https://gridcensus.com/datacenter-sites/wyoming/carbon-county/ec-near-sinclair-oil-refinery-d9a1eed3 (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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