Datacenter Sites in Summit County, Colorado
Summit County has 18 scored datacenter candidate sites averaging 50.2/100 DC Readiness, with a catalogued aggregate of 1,600 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
At a glance
Summit County, Colorado has 18 scored datacenter candidate sites averaging 50.2/100 DC Readiness, roughly in line with the Colorado average of 50.6. It ranks 44th of 64 Colorado counties by number of sites and 30th by average score. The top-scoring site is BLUE RIVER at 57.0/100.
Site-selection context for Summit County
Incentive detail: Enterprise Zone sales tax exemptions; broadband equipment tax credit.
How does Summit County compare with other counties in Colorado?
By number of scored sites, Summit County ranks 44th of the 64 Colorado counties with a county page, holding 0.5% of the state's 3,428 sites. Its average DC Readiness of 50.2/100 ranks 30th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1835th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 3 score 55 or higher.
What types of datacenter sites are in Summit County?
Substation-Adjacent sites are the most common (11, 61% of the county's inventory), followed by former mine (4) and federal excess (2). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Summit County?
Industrial electricity averages 8.28¢/kWh and commercial 12.19¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (25). WRI water stress is high. 6 fiber providers report service in the county. The climate runs 700 cooling degree days a year with a mean temperature of 46°F. Land is valued around $8,928 an acre.
By site type
Top datacenter sites in Summit County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| BLUE RIVER | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 57.0 |
| DILLION | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 56.6 |
| BRECKENRIDGE | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 56.3 |
| PORTAL | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 52.9 |
| MILL | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 52.5 |
| SUMMIT | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 52.5 |
| MAYFLOWER | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 52.2 |
| UNKNOWN203907 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 51.8 |
| VAIL | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 51.1 |
| UNDERGROUND | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 50.6 |
| UNKNOWN209743 | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 50.1 |
| Colorado Big Thompson | Federal Excess | — | — | 4.3 yrs | 47.3 |
| Shoe Basin Mine | Industrial | — | — | 3.5 yrs | 46.1 |
| Mine Site | Former Mine | — | — | 3.5 yrs | 46.1 |
| Mine Site | Former Mine | — | — | 3.5 yrs | 45.2 |
| Mine Site | Former Mine | — | — | 3.5 yrs | 45.1 |
| Mine Site | Former Mine | — | — | 3.5 yrs | 45.0 |
| WHITE RIVER NF | Federal Excess | — | — | 3.5 yrs | 44.8 |
Every scored site in Summit County
All 18 sites, best first.
- BLUE RIVER · 57.0
- DILLION · 56.6
- BRECKENRIDGE · 56.3
- PORTAL · 52.9
- MILL · 52.5
- SUMMIT · 52.5
- MAYFLOWER · 52.2
- Substation-Adjacent site · f0d69e72 · 51.8
- VAIL · 51.1
- UNDERGROUND · 50.6
- Substation-Adjacent site · d065ab9c · 50.1
- Colorado Big Thompson · 3c596196 · 47.3
- Shoe Basin Mine · 46.1
- Mine Site · 2fcfe9cf · 46.1
- Mine Site · bf9c546e · 45.2
- Mine Site · 2f904d33 · 45.1
- Mine Site · 15860b70 · 45.0
- WHITE RIVER NF · 2d5b6438 · 44.8
Summit County datacenter FAQ
How many datacenter sites are in Summit County?
18 scored datacenter candidate sites, averaging 50.2/100 DC Readiness. That is the 44th-most of 64 Colorado counties with five or more sites.
What is the highest-scoring datacenter site in Summit County?
BLUE RIVER scores 57.0/100 DC Readiness, the highest of the 18 scored sites in Summit County (a substation-adjacent site).
Does Summit County offer datacenter tax incentives?
Enterprise Zone sales tax exemptions; broadband equipment tax credit.
What is the natural-hazard risk in Summit County?
FEMA's National Risk Index rates Summit County as "Relatively Moderate" (score 25).
What are industrial electricity rates in Summit County?
Average industrial electricity is 8.28¢/kWh and commercial is 12.19¢/kWh in Summit County.
More in Colorado
- All datacenter sites in Colorado· 3,428 sites
- Operating datacenters in Colorado
- Electric substations in Colorado
- Ouray County· 272 sites · avg 47.7
- Montezuma County· 211 sites · avg 47.5
- Denver County· 180 sites · avg 56.9
- Montrose County· 157 sites · avg 49.1
- Pueblo County· 148 sites · avg 52.0
- Larimer County· 139 sites · avg 51.1
- Substation-Adjacent sites in Colorado
- Former Mine sites in Colorado
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, “Datacenter candidate sites in Summit County, Colorado”, https://gridcensus.com/datacenter-sites/colorado/summit-county (data as of November 12, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Summit County, 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.