TEWKSBURY NO. 22A
Substation-AdjacentMiddlesex, Massachusetts · ISO-NE
TEWKSBURY NO. 22A is a substation-adjacent datacenter candidate site in Middlesex, Massachusetts, interconnecting through ISO-NE. It screens at 71.3/100 DC Readiness with a catalogued 600 MW of candidate capacity and a 3.5 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Connectivity
Site characteristics
Risk & environment
Location context
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 Middlesex, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN133682 | Substation-Adjacent | 450 kV | 600 MW | 3.5 yrs | 71.8 |
| WALTHAM | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 70.9 |
| TEWKSBURY SUBSTATION | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 70.5 |
| LAWRENCE ROAD | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 70.1 |
| LEXINGTON | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 68.9 |
| TANNER STREET GENERATION | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 67.8 |
| PERRY STREET | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 66.7 |
| TAP140681 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 66.6 |
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 TEWKSBURY NO. 22A, Middlesex. 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.