EC Near IBM Southbury
GreenfieldNaugatuck Valley Planning Region, Connecticut · ISO-NE
At a glance
EC Near IBM Southbury is a greenfield datacenter candidate site in Naugatuck Valley Planning Region, Connecticut, scoring 54.5/100 DC Readiness — 153rd of 159 scored sites in the county. It sits in the ISO-NE grid region and the CONNECTICUT LIGHT & POWER CO service territory, where interconnection has averaged 4.3 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Sales tax exemption on computer & data processing equipment.
Site location
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How does EC Near IBM Southbury compare with other sites in Naugatuck Valley Planning Region?
EC Near IBM Southbury ranks 153rd of 159 scored candidate sites in Naugatuck Valley Planning Region. Its 54.5/100 is roughly in line with the county average of 57.5. It is roughly in line with the Connecticut average of 56.7 and roughly in line with the national average of 53.2.
Against the Connecticut average, its strongest sub-score is natural hazard (80 vs 77) and its weakest is power availability (30 vs 36). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is EC Near IBM Southbury to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is SD / Comsat Southbury Ground Station at 4.6 miles. 6 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is SD / Comsat Southbury Ground Station, 4.6 miles away.
What are the flood, water and hazard risks at EC Near IBM Southbury?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). WRI rates baseline water stress at 0.60 on a 0–5 scale. No mapped wetlands are recorded on the parcel. At the county level, FEMA's National Risk Index rates Naugatuck Valley Planning Region "Relatively Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Naugatuck Valley Planning Region, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| FROST BRIDGE | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 68.5 |
| SOUTHINGTON | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.8 |
| SHEPAUG | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 63.9 |
| FREIGHT | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 63.5 |
| NOERA | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 63.3 |
| BALDWIN | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 63.3 |
| TAP136563 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 63.2 |
| SHAW HILLS | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 63.2 |
EC Near IBM Southbury: common questions
What is the DC Readiness score of EC Near IBM Southbury?
EC Near IBM Southbury scores 54.5/100 on the GridCensus DC Readiness scale, rated fair. It ranks 153rd of 159 scored sites in Naugatuck Valley Planning Region. The Naugatuck Valley Planning Region average is 57.5 and the Connecticut average is 56.7.
Which electric utility serves EC Near IBM Southbury?
CONNECTICUT LIGHT & POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is EVERSOURCE.
What grid region is EC Near IBM Southbury in?
EC Near IBM Southbury is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is EC Near IBM Southbury in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
Who owns EC Near IBM Southbury?
Parcel records list the owner as Conn State Of (private land).
How far is EC Near IBM Southbury from an internet exchange?
The nearest internet exchange facility is SD / Comsat Southbury Ground Station, about 4.6 miles away; 6 fiber providers report service at the location.
Related pages
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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “EC Near IBM Southbury, Naugatuck Valley Planning Region, CT”, https://gridcensus.com/datacenter-sites/connecticut/naugatuck-valley-planning-region/ec-near-ibm-southbury-1dea94c5 (data as of October 10, 2026).
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.
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