THORNDIKE
Substation-AdjacentHampden County, Massachusetts · ISO-NE
At a glance
THORNDIKE is a substation-adjacent datacenter candidate site in Hampden County, Massachusetts, scoring 58.1/100 DC Readiness — 31st of 175 scored sites in the county. Its nearest substation is THORNDIKE (0 mi, 115 kV). It sits in the ISO-NE grid region, where interconnection has averaged 4.3 years from request to operation. GridCensus catalogs 100 MW of candidate capacity here.
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.
Site location
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How does THORNDIKE compare with other sites in Hampden County?
THORNDIKE ranks 31st of 175 scored candidate sites in Hampden County. Its 58.1/100 is roughly in line with the county average of 54.8. It is roughly in line with the Massachusetts average of 54.2 and roughly in line with the national average of 53.2.
Against the Massachusetts average, its strongest sub-score is power availability (56 vs 35) and its weakest is fiber connectivity (73 vs 79). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is THORNDIKE to power, fiber and other datacenters?
The nearest mapped substation, THORNDIKE, is about 0 miles away and operates at 115 kV. For connectivity, the nearest internet exchange facility is Lightboard ★ Massachusetts at 13.3 miles. 10 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Lightboard ★ Massachusetts, 13.3 miles away.
What are the flood, water and hazard risks at THORNDIKE?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). At the county level, FEMA's National Risk Index rates Hampden County "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 Hampden County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN133485 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 68.5 |
| AGAWAM | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.2 |
| LUDLOW | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 64.6 |
| Indian Orchard Solar Facility | Brownfield | — | 2 MW | 4.3 yrs | 61.6 |
| Former Grasso Landfill | Brownfield | 115 kV | 2 MW | 4.3 yrs | 60.3 |
| WEST SPRINGFIELD | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.1 |
| CADWELL SWITCHING STATION | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.0 |
| OZ Hampden | Greenfield | — | — | 4.3 yrs | 59.8 |
THORNDIKE: common questions
What is the DC Readiness score of THORNDIKE?
THORNDIKE scores 58.1/100 on the GridCensus DC Readiness scale, rated good. It ranks 31st of 175 scored sites in Hampden County. The Hampden County average is 54.8 and the Massachusetts average is 54.2.
What is the nearest substation to THORNDIKE?
The nearest mapped substation is THORNDIKE, about 0 miles away, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
What grid region is THORNDIKE in?
THORNDIKE is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is THORNDIKE in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is THORNDIKE from an internet exchange?
The nearest internet exchange facility is Lightboard ★ Massachusetts, about 13.3 miles away; 10 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, “THORNDIKE, Hampden County, MA”, https://gridcensus.com/datacenter-sites/massachusetts/hampden-county/thorndike-0e618449 (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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