Lower Connecticut River Valley County, Connecticut · NYISO

DC Readiness
58.7
Good / 100

HADDAM NECK is a substation-adjacent datacenter candidate site in Lower Connecticut River Valley County, Connecticut, interconnecting through NYISO. It screens at 58.7/100 DC Readiness with a catalogued 600 MW of candidate capacity and a 3.5 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationHADDAM NECK
Substation distance0.0 mi
Substation voltage345 kV
Available capacity600 MW
LMP zoneNYISO_CAPITL
Wholesale LMP$55.47/MWh

Speed to power

ISO / RTO regionNYISO
Queue depth426
Avg queue wait3.5 yrs
Recent queue wait3.5 yrs
Completion rate8%
Withdrawal rate92%

Connectivity

Nearest IXPLumen Hartford
IXP distance18.8 mi
Fiber providers2
Nearest cloud providerAWS
Nearest cloud regionus-east-1
Cloud region distance311.9 mi

Site characteristics

Parcel ownerCONNECTICUT LIGHT & POWER CO
Land owner typeprivate
Buildability5.0/100
Land cover (NLCD)Water

Risk & environment

Flood zoneZone AE (SFHA)
Water stress (WRI)0.60
Wetlands (NWI)Present
Critical habitatClear
Superfund nearbyClear
Hazard sub-score55/100
Construction cost index110.8 (avg 100)

Location context

Nearest datacenterDatacenter 00959969621
DC distance14.7 mi
Nearest rail1.0 mi
Nearest gas pipeline3.7 mi
Nearest fiber route23.9 mi
County hazard (FEMA NRI)Relatively Low (20)
DC tax incentiveYes (sales_tax_exemption)
Cooling degree days700
Heating degree days5,800
Land price / acre$14,669

Incentive detail: Sales tax exemption on computer & data processing equipment.

Full DC Readiness breakdown

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

Power availability20%
87
Speed to power15%
26
Fiber connectivity12%
84
Energy cost10%
20
Water risk8%
89
Natural hazard8%
55
Buildability7%
5
Labor market4%
50
DC cluster4%
80
Land / acreage3%
31
Construction cost3%
58
Gas pipeline2%
88
Tax incentive2%
100
Climate / cooling2%
90

Nearby comparable sites

Other scored datacenter candidate sites in Lower Connecticut River Valley County, ranked by DC Readiness.

Sites near HADDAM NECK
SiteTypeVoltageCapacityQueue waitScore
SCOVILL ROCKSubstation-Adjacent345 kV600 MW3.5 yrs62.7
WEST SIDESubstation-Adjacent115 kV100 MW3.5 yrs61.3
EAST MERIDENSubstation-Adjacent115 kV100 MW3.5 yrs61.2
KLEENSubstation-Adjacent345 kV600 MW3.5 yrs61.0
UNKNOWN158612Substation-Adjacent115 kV100 MW3.5 yrs60.7
Greenfield (NEW HAVEN HARBOR - SCOVILL ROC)Greenfield345 kV600 MW3.5 yrs60.3
DOOLEYSubstation-Adjacent115 kV100 MW3.5 yrs59.9
Greenfield (SOUTHINGTON - SCOVILL ROCK)Greenfield345 kV600 MW3.5 yrs59.6

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 HADDAM NECK, Lower Connecticut River Valley County. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.