Brownfield Datacenter Sites in Wyoming
At a glance
Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.
Top brownfield sites in Wyoming
| Site | Type | County | Former use | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| Warren AFB Wind | Brownfield | Laramie | superfund | 35 kV | 3 MW | 4.3 yrs | 69.1 |
| Chevron Casper Wind Farm | Brownfield | Natrona | rcra | 115 kV | 17 MW | 3.5 yrs | 68.0 |
| Dave Johnston Mine / Rolling Hills | Brownfield | Converse | mine | 115 kV | 119 MW | 3.5 yrs | 64.2 |
| Sinclair Oil Refinery | Brownfield | Carbon County | gas | — | 5 MW | 3.5 yrs | 61.1 |
| Arvada | Brownfield | Sheridan County | gas | 69 kV | 8 MW | 4.3 yrs | 48.9 |
How does Wyoming compare with other states for brownfield sites?
With 5 sites, Wyoming ranks 38th of the 49 states that have any brownfield candidate sites. California leads with 103. Nationally, brownfield sites average 57.5/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Wyoming averages 52.2, the 38th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.0 years.
Where are the highest-scoring brownfield sites in Wyoming?
The top 5 range from 69.1 to 48.9 on the 0–100 DC Readiness Score. They are spread across 5 different counties, including Laramie, Natrona and Converse. By grid region, 3 are in WECC and 2 are in SPP.
County pages: Laramie · Natrona · Converse · Carbon County
What power, fiber and flood exposure do these brownfield sites have?
Of the top 5 brownfield sites in Wyoming, 4 have a recorded nearest-substation voltage, with a median of 92 kV; for 0 that substation is rated 230 kV or higher. Their counties have a median of 6 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 37 km. The median interconnection-queue wait in their markets is 3.5 years. None of the 5 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many brownfield datacenter sites are in Wyoming?
GridCensus catalogs 5 brownfield datacenter candidate sites in Wyoming, 0.6% of the national total for this type (38th of 49 states).
What is a brownfield datacenter site?
Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.
What is the best brownfield datacenter site in Wyoming?
By DC Readiness Score, Warren AFB Wind in Laramie ranks first at 69.1/100, followed by Chevron Casper Wind Farm in Natrona at 68.0.
Which Wyoming counties have the best brownfield sites?
The top 5 brownfield sites in Wyoming are spread across 5 different counties, including Laramie, Natrona and Converse.
How does Wyoming score for datacenters overall?
All 1,639 scored sites in Wyoming average 52.2/100 DC Readiness, the 38th-highest of 52 states, against a national average of 53.0.
More on brownfield sites and Wyoming
Brownfield sites in other states
- Brownfield sites in California· 103 sites
- Brownfield sites in New Jersey· 52 sites
- Brownfield sites in New York· 48 sites
- Brownfield sites in Massachusetts· 44 sites
- Brownfield sites in Iowa· 38 sites
- Brownfield sites in Illinois· 33 sites
- Brownfield sites in Texas· 30 sites
- Brownfield sites in Ohio· 29 sites
Dataset updated . Screening estimates derived from public data sources.
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 November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Brownfield datacenter sites in Wyoming”, https://gridcensus.com/site-types/brownfield/wyoming (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Brownfield sites in Wyoming 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.