Greenfield (UNKNOWN201481 - LANGE)
GreenfieldWeston, Wyoming · SPP
At a glance
Greenfield (UNKNOWN201481 - LANGE) is a greenfield datacenter candidate site in Weston, Wyoming, scoring 49.9/100 DC Readiness — 45th of 46 scored sites in the county. Its nearest substation is UNKNOWN201481. It sits in the SPP grid region and the POWDER RIVER ENERGY CORP service territory, where interconnection has averaged 4.3 years from request to operation. GridCensus catalogs 100 MW of candidate capacity here.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
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 Greenfield (UNKNOWN201481 - LANGE) compare with other sites in Weston?
Greenfield (UNKNOWN201481 - LANGE) ranks 45th of 46 scored candidate sites in Weston. Its 49.9/100 is about 10% below the county average of 55.7. 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 speed to power (55 vs 52) and its weakest is power availability (30 vs 38). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (UNKNOWN201481 - LANGE) to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN201481, is the closest grid connection point on record and operates at 138 kV. For connectivity, the nearest internet exchange facility is Golden West Rapid City Skyline Facility at 47.5 miles. 3 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Golden West Rapid City Skyline Facility, 47.5 miles away.
What are the flood, water and hazard risks at Greenfield (UNKNOWN201481 - LANGE)?
At the county level, FEMA's National Risk Index rates Weston "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 Weston, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| TAP203672 | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 60.8 |
| TAP205630 | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 60.8 |
| UNKNOWN201481 | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 60.8 |
| EC Near Osage (WY) | Greenfield | — | — | 4.3 yrs | 60.5 |
| EC Near Osage (WY) | Greenfield | — | — | 4.3 yrs | 60.3 |
| EC Near Osage (WY) | Greenfield | — | — | 4.3 yrs | 60.1 |
| EC Near Osage (WY) | Greenfield | — | — | 4.3 yrs | 59.9 |
| EC Near Osage (WY) | Greenfield | — | — | 4.3 yrs | 59.8 |
Greenfield (UNKNOWN201481 - LANGE): common questions
What is the DC Readiness score of Greenfield (UNKNOWN201481 - LANGE)?
Greenfield (UNKNOWN201481 - LANGE) scores 49.9/100 on the GridCensus DC Readiness scale, rated fair. It ranks 45th of 46 scored sites in Weston. The Weston average is 55.7 and the Wyoming average is 52.2.
What is the nearest substation to Greenfield (UNKNOWN201481 - LANGE)?
The nearest mapped substation is UNKNOWN201481, at 138 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves Greenfield (UNKNOWN201481 - LANGE)?
POWDER RIVER ENERGY CORP (cooperative) holds the retail service territory that contains the site.
What grid region is Greenfield (UNKNOWN201481 - LANGE) in?
Greenfield (UNKNOWN201481 - LANGE) is in the SPP region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Greenfield (UNKNOWN201481 - LANGE) from an internet exchange?
The nearest internet exchange facility is Golden West Rapid City Skyline Facility, about 47.5 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, “Greenfield (UNKNOWN201481 - LANGE), Weston, WY”, https://gridcensus.com/datacenter-sites/wyoming/weston/greenfield-unknown201481-lange-6ce8219c (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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