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Datacenter Sites in Boulder County, Colorado

Boulder County has 83 scored datacenter candidate sites averaging 54.9/100 DC Readiness, with a catalogued aggregate of 2,850 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.

At a glance

Boulder County, Colorado has 83 scored datacenter candidate sites averaging 54.9/100 DC Readiness, roughly in line with the Colorado average of 50.6. It ranks 14th of 64 Colorado counties by number of sites and 6th by average score. The top-scoring site is EC Coal Boulder County · 1e07c9e8 at 62.8/100.

83
Candidate sites
54.9/100
Avg DC Readiness
2,850 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Boulder County

Site-selection context for Boulder County

Yessales_tax_exemption
Datacenter tax incentive
11.85¢/kWh
Commercial electricity
8.12¢/kWh
Industrial electricity
13
Fiber providers
High
Water stress
$18,310
Land price / acre
700
Cooling degree days
6,200
Heating degree days
46°F
Mean annual temp

Incentive detail: Enterprise Zone sales tax exemptions; broadband equipment tax credit.

How does Boulder County compare with other counties in Colorado?

By number of scored sites, Boulder County ranks 14th of the 64 Colorado counties with a county page, holding 2.4% of the state's 3,428 sites. Its average DC Readiness of 54.9/100 ranks 6th in the state and is roughly in line with the national average of 53.0. Nationally it has the 415th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 35 score 55 or higher.

What types of datacenter sites are in Boulder County?

Substation-Adjacent sites are the most common (25, 30% of the county's inventory), followed by former mine (23) and industrial (21). 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 Boulder County?

Industrial electricity averages 8.12¢/kWh and commercial 11.85¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (25). WRI water stress is high. 13 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 $18,310 an acre.

By site type

Top datacenter sites in Boulder County

Top datacenter sites in Boulder County
SiteTypeVoltageCapacityQueue waitScore
EC Coal Boulder CountyGreenfield——3.5 yrs62.8
EC Coal Boulder CountyGreenfield——4.3 yrs62.5
EC Coal Boulder CountyGreenfield——3.5 yrs62.5
GUNBARRELSubstation-Adjacent230 kV300 MW3.5 yrs62.4
EC Near ValmontGreenfield——3.5 yrs62.4
EC Coal Boulder CountyGreenfield——4.3 yrs61.9
EC Coal Boulder CountyGreenfield——3.5 yrs61.7
EC Near ValmontGreenfield——3.5 yrs61.1
EC Near ValmontGreenfield——3.5 yrs61.0
EC Near ValmontGreenfield——4.3 yrs60.8
EC Near ValmontGreenfield——3.5 yrs60.7
BOYDSubstation-Adjacent230 kV300 MW3.5 yrs59.6
BOULDERSubstation-Adjacent115 kV100 MW3.5 yrs59.5
SUNSHINESubstation-Adjacent115 kV100 MW3.5 yrs59.3
UNKNOWN206534Substation-Adjacent115 kV100 MW3.5 yrs59.1
UNKNOWN203862Substation-Adjacent115 kV100 MW3.5 yrs59.0
CEMENT PLANTSubstation-Adjacent115 kV100 MW4.3 yrs58.6
TAP205124Substation-Adjacent115 kV100 MW4.3 yrs58.5
DOWE FLATSSubstation-Adjacent115 kV100 MW4.3 yrs58.5
EC Coal Boulder CountyGreenfield——3.5 yrs58.0
ROGERS ROADSubstation-Adjacent115 kV100 MW3.5 yrs57.7
GOLDEN PONDS TAPSubstation-Adjacent115 kV100 MW3.5 yrs57.5
LYONS TAPSubstation-Adjacent115 kV100 MW4.3 yrs57.4
NORTHWESTSubstation-Adjacent115 kV100 MW3.5 yrs57.4
WAGON WHEELSubstation-Adjacent115 kV100 MW4.3 yrs57.0

Every scored site in Boulder County

All 83 sites, best first.

Boulder County datacenter FAQ

How many datacenter sites are in Boulder County?

83 scored datacenter candidate sites, averaging 54.9/100 DC Readiness. That is the 14th-most of 64 Colorado counties with five or more sites.

What is the highest-scoring datacenter site in Boulder County?

EC Coal Boulder County · 1e07c9e8 scores 62.8/100 DC Readiness, the highest of the 83 scored sites in Boulder County (a greenfield site).

Does Boulder County offer datacenter tax incentives?

Enterprise Zone sales tax exemptions; broadband equipment tax credit.

What is the natural-hazard risk in Boulder County?

FEMA's National Risk Index rates Boulder County as "Relatively Moderate" (score 25).

What are industrial electricity rates in Boulder County?

Average industrial electricity is 8.12¢/kWh and commercial is 11.85¢/kWh in Boulder County.

More 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 Boulder County, Colorado”, https://gridcensus.com/datacenter-sites/colorado/boulder-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 Boulder 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.

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