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Gridcensus

LONG MOUNTAIN

Substation-Adjacent

Dutchess County, Connecticut · ISO-NE

DC Readiness
64.5
Good / 100

LONG MOUNTAIN is a substation-adjacent datacenter candidate site in Dutchess County, Connecticut, interconnecting through ISO-NE. It screens at 64.5/100 DC Readiness with a catalogued 600 MW of candidate capacity and a 3.9 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationLONG MOUNTAIN
Substation distance0.0 mi
Substation voltage345 kV
Available capacity600 MW
UtilityCONNECTICUT LIGHT & POWER COinvestor ownedmoderate to large load · terms ≥ 50 MW

Speed to power

Interconnection outlookModerate
≈ 3.9 yrs typical interconnection wait

Middle-of-the-pack interconnection conditions for this grid.

ISO / RTO regionISO-NE
Queue depth8
Avg queue wait3.9 yrs

Connectivity

Nearest IXPSD / Comsat Southbury Ground Station
IXP distance14.1 mi
Fiber providers11
Fiber coverage73.0%

Site characteristics

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)Low
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score65/100

Location context

Nearest datacenterSD / Comsat Southbury Ground Station
DC distance14.1 mi
County hazard (FEMA NRI)Relatively High (35)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity11.18¢/kWh
Industrial electricity8.63¢/kWh
Cooling degree days700
Heating degree days6,100
Land price / acre$10,698

Regulatory climate

Moderatestate posture · as of 2026-08

No notable statewide DC restriction on record; confirm local zoning and utility tariffs.

DC tax incentiveNo / suspended

Incentive detail: Excelsior Jobs Program tax credits; IDA property tax abatements (PILOT); Empire State Digital Gaming.

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%
87
Speed to power20%
37
Fiber connectivity12%
84
Energy cost10%
50
Water risk7%
90
Natural hazard6%
65
Buildability7%
60
Labor market4%
50
DC cluster4%
80
Land / acreage3%
48
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
90

Nearby comparable sites

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

Sites near LONG MOUNTAIN
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN129084Substation-Adjacent345 kV600 MW4.9 yrs64.7
Dennings Point Landfill SolarBrownfield—2 MW4.9 yrs62.1
KNAPPS CORNERSSubstation-Adjacent115 kV100 MW4.9 yrs60.3
FISHKILL PLAINSSubstation-Adjacent115 kV100 MW4.9 yrs60.1
Greenfield (PLEASANT VALLEY - ATHENS)Greenfield345 kV600 MW6.9 yrs59.8
OZ DutchessGreenfield——3.5 yrs59.8
SAND DOCKSubstation-Adjacent115 kV100 MW4.9 yrs59.3
NEW SPACKENKILLSubstation-Adjacent115 kV100 MW4.9 yrs59.2

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 LONG MOUNTAIN, Dutchess 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.