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Gridcensus

Winona County, Minnesota · MISO

DC Readiness
53.2
Fair / 100

TAP158818 is a substation-adjacent datacenter candidate site in Winona County, Minnesota, interconnecting through MISO. It screens at 53.2/100 DC Readiness with a catalogued 50 MW of candidate capacity and a 2.8 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationTAP158818
Substation distance0.0 mi
Substation voltage69 kV
Available capacity50 MW
UtilityMIENERGY COOPERATIVEcooperativemoderate to large load · state default

Speed to power

Interconnection outlookFavorable
≈ 2.8 yrs typical interconnection wait

Shorter queues and healthier completion here — a faster path to energization than the national norm.

ISO / RTO regionMISO
Queue depth127
Avg queue wait2.8 yrs

Connectivity

Nearest IXPSFN MN-Rochester
IXP distance45.6 mi
Fiber providers4
Fiber coverage28.5%

Site characteristics

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)Low
Wetlands (NWI)
Critical habitat
Superfund nearby
Hazard sub-score75/100

Location context

Nearest datacenterNP Rochester
DC distance45.6 mi
County hazard (FEMA NRI)Relatively Moderate (25)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity12.87¢/kWh
Industrial electricity9.31¢/kWh
Cooling degree days600
Heating degree days7,700
Land price / acre$6,840

Regulatory climate

Moderatestate posture · as of 2026-08

Incentives available; large-load tariffs emerging.

DC tax incentiveYes
Large-load threshold≥ 50 MW

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

Site location

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≥ 7560–7540–60≤ 40
This site + 8 nearby

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Full DC Readiness breakdown

All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.

Power availability20%
46
Speed to power20%
45
Fiber connectivity12%
52
Energy cost10%
50
Water risk7%
92
Natural hazard6%
75
Buildability7%
60
Labor market4%
50
DC cluster4%
40
Land / acreage3%
45
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
95

Nearby comparable sites

Other scored datacenter candidate sites in Winona County, ranked by DC Readiness.

Sites near TAP158818
SiteTypeVoltageCapacityQueue waitScore
OZ WinonaGreenfield1.4 yrs60.9
UNKNOWN131554Substation-Adjacent161 kV100 MW2.8 yrs56.5
Greenfield (NORTH ROCHESTER - BRIGGS ROAD)Greenfield345 kV600 MW2.8 yrs55.7
TAP139558Substation-Adjacent69 kV50 MW2.8 yrs55.7
TAP171256Substation-Adjacent69 kV50 MW2.8 yrs55.4
UNKNOWN157990Substation-Adjacent69 kV50 MW2.8 yrs55.4
UNKNOWN131058Substation-Adjacent69 kV50 MW2.8 yrs55.1
UNKNOWN156610Substation-Adjacent69 kV50 MW2.8 yrs54.9

Dataset updated . Screening estimates derived from public data sources.

Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for TAP158818, Winona County. 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.