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Gridcensus

R M Heskett

Brownfield

Mandan, Morton, North Dakota · Montana-Dakota Utilities Co

Legacy capacity
115
MW

R M Heskett is a coal plant in Mandan, Morton, North Dakota, retired 2022-02-01. Retired generation sites are among the most attractive datacenter redevelopment targets: the existing interconnection was sized for roughly 115 MW of generation, so the grid hookup, transmission rights, and often cooling-water access are already in place — collapsing the speed-to-power timeline versus a greenfield build.

Former use & capacity

Former usecoal plant
Site typeretired_plant
Existing capacity115 MW
Retirement date2022-02-01
EIA plant ID#2790

Grid hookup & remediation

Nearest substation0.1 mi
Operator address2025 38th St, Mandan, ND, 58554
Why this site is datacenter-attractive: a coal plant of this scale leaves behind a high-capacity grid interconnection that a new load can re-use, frequently shaving years off the interconnection queue. Retired-plant sites also tend to be already zoned for heavy industrial use with established road, rail, and water infrastructure.

Site conditions & market — Morton County

County-level intelligence for this site's location — the power economics, water, hazard, connectivity, and workforce a developer screens before ever visiting. Assembled from FEMA NRI, BLS QCEW, FCC BDC, USGS water-use, and EIA.

Market & workforce

Total employment (laborshed)10,120
IT / tech employment34
Construction employment965
Land value$1,865/acre
Datacenter tax incentiveproperty_tax_exemption

Power economics & interconnection

Commercial power rate9.11¢/kWh
Industrial power rate8.40¢/kWh
Load growth (FERC-714)0.5%

Water & cooling

Water stressLow-Medium
Public water supply2.8 MGD
Industrial water use1.2 MGD
Cooling degree days500
Mean annual temp40°F

Hazard, flood & connectivity

FEMA risk index20.0 · Relatively Low
Fiber providers6 · 38% served

County-level context — address-level utility offerings and flood zoning vary within the county. Confirm site-specific service with the utility and a Phase I ESA.

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Nearby datacenter candidate sites

Scored candidate sites near R M Heskett, ranked by DC Readiness.

Candidate sites near R M Heskett
SiteTypeStateCountyVoltageCapacityQueue waitScore
HESKETT 230 KVSubstation-AdjacentNDBurleigh County230 kV300 MW3.3 yrs66.2
UNKNOWN132925Substation-AdjacentNDBurleigh County230 kV300 MW3.3 yrs66.1
CENTER 345KV SWITCHYARDSubstation-AdjacentNDOliver County345 kV600 MW3.3 yrs65.5
EC Near R M HeskettGreenfieldNDMorton——1.4 yrs65.4
BISMARCKSubstation-AdjacentNDBurleigh County230 kV300 MW3.3 yrs65.4
EC Coal Morton CountyGreenfieldNDMorton County——1.4 yrs65.2
MANDAN JUNCTIONSubstation-AdjacentNDBurleigh County230 kV300 MW3.3 yrs65.2
EC Near R M HeskettGreenfieldNDMorton——1.4 yrs64.8

Nearby internet exchanges

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Dataset updated . Screening estimates derived from public data sources.

Brownfield attributes are derived from EIA retired-generator and EPA public data. Existing capacity reflects the retired plant's historical nameplate, not deliverable interconnection for a new load. Confirm reusable interconnection rights, remediation status, and site availability with the utility, ISO, and current owner.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for R M Heskett, Mandan, Morton, North Dakota. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.