Substation-Adjacent Datacenter Sites in Colorado
At a glance
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
Top substation-adjacent sites in Colorado
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| CHEROKEE | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 67.9 |
| UNDERGROUND TAP | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 65.5 |
| ARAPAHOE | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 65.3 |
| UNKNOWN202739 | Substation-Adjacent | El Paso County | 230 kV | 300 MW | 4.3 yrs | 65.1 |
| TOWER | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.6 |
| ELATI | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.6 |
| CAPITAL HILL | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.6 |
| LACOMBE | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.6 |
| CLARK | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.5 |
| CHAMBERS | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.5 |
| PICADILLY | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.5 |
| UNKNOWN203998 | Substation-Adjacent | Laramie County | 230 kV | 300 MW | 4.3 yrs | 64.5 |
| WATERTON | Substation-Adjacent | Jefferson County | 345 kV | 600 MW | 3.5 yrs | 64.4 |
| DAKOTA | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.4 |
| SMOKY HILL | Substation-Adjacent | Denver County | 345 kV | 600 MW | 3.5 yrs | 64.4 |
| PRAIRIE | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.4 |
| SILVER SADDLE | Substation-Adjacent | Denver County | 230 kV | 300 MW | 4.3 yrs | 64.3 |
| COTTONWOOD | Substation-Adjacent | El Paso County | 230 kV | 300 MW | 4.3 yrs | 64.3 |
| GREENWOOD | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.2 |
| MONACO | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.2 |
| SPRUCE | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.2 |
| JORDAN | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.2 |
| MONROE | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.2 |
| TOLLGATE | Substation-Adjacent | Denver County | 230 kV | 300 MW | 3.5 yrs | 64.1 |
| SANTA FE | Substation-Adjacent | Jefferson County | 230 kV | 300 MW | 3.5 yrs | 64.0 |
How does Colorado compare with other states for substation-adjacent sites?
With 899 sites, Colorado ranks 15th of the 52 states that have any substation-adjacent candidate sites. Texas leads with 3,635. Nationally, substation-adjacent sites average 57.4/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Colorado averages 50.6, the 45th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.0 years.
Where are the highest-scoring substation-adjacent sites in Colorado?
The top 25 range from 67.9 to 64.0 on the 0–100 DC Readiness Score. They are concentrated in Denver County (20), El Paso County (2) and Jefferson County (2). By grid region, 21 are in WECC and 4 are in SPP.
County pages: Denver County · El Paso County · Jefferson County · Laramie County
What power, fiber and flood exposure do these substation-adjacent sites have?
Of the top 25 substation-adjacent sites in Colorado, 25 have a recorded nearest-substation voltage, with a median of 230 kV; for 25 that substation is rated 230 kV or higher. Their counties have a median of 13 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 3 km. The median interconnection-queue wait in their markets is 3.5 years. None of the 2 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many substation-adjacent datacenter sites are in Colorado?
GridCensus catalogs 899 substation-adjacent datacenter candidate sites in Colorado, 2% of the national total for this type (15th of 52 states).
What is a substation-adjacent datacenter site?
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
What is the best substation-adjacent datacenter site in Colorado?
By DC Readiness Score, CHEROKEE in Denver County ranks first at 67.9/100, followed by UNDERGROUND TAP in Denver County at 65.5.
Which Colorado counties have the best substation-adjacent sites?
The top 25 substation-adjacent sites in Colorado are concentrated in Denver County (20), El Paso County (2) and Jefferson County (2).
How does Colorado score for datacenters overall?
All 3,428 scored sites in Colorado average 50.6/100 DC Readiness, the 45th-highest of 52 states, against a national average of 53.0.
More on substation-adjacent sites and Colorado
- All datacenter sites in Colorado· 3,428 sites
- Substation-Adjacent datacenter sites nationwide· 38,820 sites
- Federal Excess sites in Colorado· 911 sites
- Industrial sites in Colorado· 821 sites
- Former Mine sites in Colorado· 471 sites
- Greenfield sites in Colorado· 314 sites
- Brownfield sites in Colorado· 11 sites
Substation-Adjacent sites in other states
- Substation-Adjacent sites in Texas· 3,635 sites
- Substation-Adjacent sites in California· 1,573 sites
- Substation-Adjacent sites in Florida· 1,539 sites
- Substation-Adjacent sites in Georgia· 1,530 sites
- Substation-Adjacent sites in Oklahoma· 1,344 sites
- Substation-Adjacent sites in Washington· 1,343 sites
- Substation-Adjacent sites in Minnesota· 1,270 sites
- Substation-Adjacent sites in Kentucky· 1,261 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, “Substation-Adjacent datacenter sites in Colorado”, https://gridcensus.com/site-types/substation/colorado (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Substation-Adjacent sites in Colorado 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.