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Gridcensus

Substation-Adjacent Datacenter Sites in Minnesota

At a glance

Minnesota has 1,270 substation-adjacent datacenter candidate sites, the 7th-most of 52 states for this site type and 3% of the 38,820 substation-adjacent sites scored nationally. Substation-Adjacent land accounts for 39% of the state's 3,216 scored sites, against 26% nationally. The highest-scoring is PARKERS LAKE in Hennepin County at 69.8/100 DC Readiness.

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.

1,270
Substation-Adjacent sites
67.8/100
Avg score (top 25)
Minnesota
State
Substation-Adjacent
Type

Top substation-adjacent sites in Minnesota

Top Substation-Adjacent sites in Minnesota
SiteTypeCountyVoltageCapacityQueue waitScore
PARKERS LAKESubstation-AdjacentHennepin County345 kV600 MW4.3 yrs69.8
BLUE LAKESubstation-AdjacentScott County345 kV600 MW4.3 yrs69.8
EDEN PRAIRIESubstation-AdjacentHennepin County345 kV600 MW4.3 yrs69.7
TERMINALSubstation-AdjacentRamsey County345 kV600 MW4.3 yrs69.7
SCOTT COSubstation-AdjacentScott County345 kV600 MW4.3 yrs69.5
UNKNOWN129414Substation-AdjacentAnoka County345 kV600 MW4.3 yrs68.9
UNKNOWN129614Substation-AdjacentHennepin County345 kV600 MW4.3 yrs68.8
BYRONSubstation-AdjacentDodge County345 kV600 MW4.3 yrs68.7
MAXWELLSubstation-AdjacentRamsey County345 kV600 MW4.3 yrs68.4
KOHLMAN LAKESubstation-AdjacentRamsey County345 kV600 MW4.3 yrs68.3
UNKNOWN129590Substation-AdjacentDakota County345 kV600 MW4.3 yrs68.2
HELENASubstation-AdjacentScott County345 kV600 MW4.3 yrs68.1
SHERBURNE COUNTYSubstation-AdjacentSherburne County345 kV600 MW4.3 yrs68.1
BUNKER LAKESubstation-AdjacentAnoka County345 kV600 MW4.3 yrs67.5
CHUB LAKESubstation-AdjacentScott County345 kV600 MW4.3 yrs67.4
UNKNOWN132021Substation-AdjacentLe Sueur County345 kV600 MW4.3 yrs67.3
ARROWHEADSubstation-AdjacentCarlton County345 kV600 MW4.3 yrs67.2
CHISAGOSubstation-AdjacentChisago County500 kV1,000 MW4.3 yrs67.1
HAMPTONSubstation-AdjacentDakota County345 kV600 MW4.3 yrs66.7
ROSEAU COUNTYSubstation-AdjacentRoseau County500 kV1,000 MW4.3 yrs66.5
DICKINSONSubstation-AdjacentWright County400 kV600 MW4.3 yrs66.2
NORTH ROCHESTERSubstation-AdjacentGoodhue County345 kV600 MW4.3 yrs66.2
BLACK DOGSubstation-AdjacentDakota County115 kV100 MW4.3 yrs66.1
UNKNOWN129654Substation-AdjacentAnoka County230 kV300 MW4.3 yrs66.0
UNKNOWN129369Substation-AdjacentPierce County345 kV600 MW4.3 yrs65.7

How does Minnesota compare with other states for substation-adjacent sites?

With 1,270 sites, Minnesota ranks 7th 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, Minnesota averages 56.0, the 11th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.3 years.

Where are the highest-scoring substation-adjacent sites in Minnesota?

The top 25 range from 69.8 to 65.7 on the 0–100 DC Readiness Score. They are concentrated in Scott County (4), Hennepin County (3), Ramsey County (3) and Anoka County (3). By grid region, 25 are in MISO.

County pages: Scott County · Hennepin County · Ramsey County · Anoka County

What power, fiber and flood exposure do these substation-adjacent sites have?

Of the top 25 substation-adjacent sites in Minnesota, 25 have a recorded nearest-substation voltage, with a median of 345 kV; for 24 that substation is rated 230 kV or higher. Their counties have a median of 10 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 12 km. The median interconnection-queue wait in their markets is 4.3 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 Minnesota?

GridCensus catalogs 1,270 substation-adjacent datacenter candidate sites in Minnesota, 3% of the national total for this type (7th 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 Minnesota?

By DC Readiness Score, PARKERS LAKE in Hennepin County ranks first at 69.8/100, followed by BLUE LAKE in Scott County at 69.8.

Which Minnesota counties have the best substation-adjacent sites?

The top 25 substation-adjacent sites in Minnesota are concentrated in Scott County (4), Hennepin County (3), Ramsey County (3) and Anoka County (3).

How does Minnesota score for datacenters overall?

All 3,216 scored sites in Minnesota average 56.0/100 DC Readiness, the 11th-highest of 52 states, against a national average of 53.0.

More on substation-adjacent sites and Minnesota

Substation-Adjacent sites in other states

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 Minnesota”, https://gridcensus.com/site-types/substation/minnesota (data as of November 12, 2026).

Go deeper than the public screen

Every site and score for Substation-Adjacent sites in 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.

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