Skip to content
Gridcensus

Datacenter Sites in Carlton County, Minnesota

Carlton County has 51 scored datacenter candidate sites averaging 56.6/100 DC Readiness, with a catalogued aggregate of 4,150 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.

At a glance

Carlton County, Minnesota has 51 scored datacenter candidate sites averaging 56.6/100 DC Readiness, roughly in line with the Minnesota average of 56.0. It ranks 15th of 85 Minnesota counties by number of sites and 25th by average score. The top-scoring site is ARROWHEAD at 67.2/100.

51
Candidate sites
56.6/100
Avg DC Readiness
4,150 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Carlton County

Site-selection context for Carlton County

Yessales_tax_exemption
Datacenter tax incentive
14.74¢/kWh
Commercial electricity
8.34¢/kWh
Industrial electricity
7
Fiber providers
Low
Water stress
$3,040
Land price / acre
600
Cooling degree days
7,700
Heating degree days
42°F
Mean annual temp

Incentive detail: Sales tax exemption on DC equipment and electricity for qualified DCs.

How does Carlton County compare with other counties in Minnesota?

By number of scored sites, Carlton County ranks 15th of the 85 Minnesota counties with a county page, holding 1.6% of the state's 3,216 sites. Its average DC Readiness of 56.6/100 ranks 25th in the state and is roughly in line with the national average of 53.0. Nationally it has the 740th-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 Carlton County?

Substation-Adjacent sites are the most common (29, 57% of the county's inventory), followed by greenfield (18) and former mine (4). 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 Carlton County?

Industrial electricity averages 8.34¢/kWh and commercial 14.74¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (25). WRI water stress is low. 7 fiber providers report service in the county. The climate runs 600 cooling degree days a year with a mean temperature of 42°F. Land is valued around $3,040 an acre.

By site type

Top datacenter sites in Carlton County

Top datacenter sites in Carlton County
SiteTypeVoltageCapacityQueue waitScore
ARROWHEADSubstation-Adjacent345 kV600 MW4.3 yrs67.2
HILLTOP 230/115KVSubstation-Adjacent230 kV300 MW4.3 yrs65.6
TAP135605Substation-Adjacent230 kV300 MW4.3 yrs65.4
EC Near M L HibbardGreenfield——4.3 yrs63.0
UNKNOWN129277Substation-Adjacent115 kV100 MW4.3 yrs62.1
EC Near M L HibbardGreenfield——4.3 yrs61.3
TAP135622Substation-Adjacent115 kV100 MW4.3 yrs61.0
TAP135628Substation-Adjacent115 kV100 MW4.3 yrs60.8
UNKNOWN130962Substation-Adjacent115 kV100 MW4.3 yrs60.8
TAP135614Substation-Adjacent115 kV100 MW4.3 yrs60.8
FOND-DU-LAC HYDRO ELECTRIC STATIONSubstation-Adjacent115 kV100 MW4.3 yrs60.5
UNKNOWN129264Substation-Adjacent115 kV100 MW4.3 yrs60.4
WRENSHALLSubstation-Adjacent115 kV100 MW4.3 yrs60.3
TAP135612Substation-Adjacent115 kV100 MW4.3 yrs60.2
POTLATCH 115KVSubstation-Adjacent115 kV100 MW4.3 yrs59.5
TAP162287Substation-Adjacent115 kV100 MW4.3 yrs59.4
CLOQUET 115/14 KVSubstation-Adjacent115 kV100 MW4.3 yrs59.4
UNKNOWN136176Substation-Adjacent115 kV100 MW4.3 yrs59.3
EC Near Moose LakeGreenfield——4.3 yrs59.3
BURNETT 115/14 KVSubstation-Adjacent115 kV100 MW4.3 yrs58.9
Greenfield (FORBES - ARROWHEAD)Greenfield230 kV300 MW4.3 yrs58.7
UNKNOWN136175Substation-Adjacent115 kV100 MW4.3 yrs58.3
TAP162285Substation-Adjacent115 kV100 MW4.3 yrs58.1
Greenfield (UNKNOWN133416 - ARROWHEAD)Greenfield250 kV300 MW4.3 yrs57.5
TAP135626Substation-Adjacent115 kV100 MW4.3 yrs57.1

Every scored site in Carlton County

All 51 sites, best first.

Carlton County datacenter FAQ

How many datacenter sites are in Carlton County?

51 scored datacenter candidate sites, averaging 56.6/100 DC Readiness. That is the 15th-most of 85 Minnesota counties with five or more sites.

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

ARROWHEAD scores 67.2/100 DC Readiness, the highest of the 51 scored sites in Carlton County (a substation-adjacent site).

Does Carlton County offer datacenter tax incentives?

Sales tax exemption on DC equipment and electricity for qualified DCs.

What is the natural-hazard risk in Carlton County?

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

What are industrial electricity rates in Carlton County?

Average industrial electricity is 8.34¢/kWh and commercial is 14.74¢/kWh in Carlton County.

More in Minnesota

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 Carlton County, Minnesota”, https://gridcensus.com/datacenter-sites/minnesota/carlton-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 Carlton County, Minnesota 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.

See plansTalk to us