121 Southbridge Street
IndustrialWorcester County, Massachusetts · ISO-NE
At a glance
121 Southbridge Street is an industrial datacenter candidate site in Worcester County, Massachusetts, scoring 54.3/100 DC Readiness — 99th of 283 scored sites in the county. It sits in the ISO-NE grid region, 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.
Site location
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How does 121 Southbridge Street compare with other sites in Worcester County?
121 Southbridge Street ranks 99th of 283 scored candidate sites in Worcester County. Its 54.3/100 is roughly in line with the county average of 53.4. 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 fiber connectivity (84 vs 79) and its weakest is power availability (30 vs 35). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is 121 Southbridge Street to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Crown Castle Worcester (474 Main) at 3 miles. 12 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Crown Castle Worcester (474 Main), 3 miles away.
What are the flood, water and hazard risks at 121 Southbridge Street?
At the county level, FEMA's National Risk Index rates Worcester 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 Worcester County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MILLBURY NO. 3 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.4 |
| WACHUSETT | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.3 |
| CARPENTER HILL | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 64.4 |
| PRATTS JUNCTION | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 63.1 |
| Greenwood St. Landfill | Brownfield | 115 kV | 8 MW | 4.3 yrs | 61.2 |
| OZ Worcester | Greenfield | — | — | 4.3 yrs | 60.9 |
| WEBSTER STREET | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.4 |
| NASHUA STREET | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.4 |
121 Southbridge Street: common questions
What is the DC Readiness score of 121 Southbridge Street?
121 Southbridge Street scores 54.3/100 on the GridCensus DC Readiness scale, rated fair. It ranks 99th of 283 scored sites in Worcester County. The Worcester County average is 53.4 and the Massachusetts average is 54.2.
What grid region is 121 Southbridge Street in?
121 Southbridge Street is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is 121 Southbridge Street from an internet exchange?
The nearest internet exchange facility is Crown Castle Worcester (474 Main), about 3 miles away; 12 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, “121 Southbridge Street, Worcester County, MA”, https://gridcensus.com/datacenter-sites/massachusetts/worcester-county/121-southbridge-street-e614a7a0 (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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