TEWKSBURY NO. 22A
SubstationMassachusetts · FITCHBURG GAS AND ELECTRIC LIGHT COMPANY
TEWKSBURY NO. 22A is an electric transmission substation in Massachusetts, operated by FITCHBURG GAS AND ELECTRIC LIGHT COMPANY. It is classified as high-voltage (345 kv) and connects 5 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Ownership & operation
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #2642 | 345 kV | FITCHBURG GAS AND ELECTRIC LIGHT COMPANY | IN SERVICE | 15.9 mi |
| #3397 | 345 kV | FITCHBURG GAS AND ELECTRIC LIGHT COMPANY | IN SERVICE | 14.9 mi |
| #21661 | 345 kV | FITCHBURG GAS AND ELECTRIC LIGHT COMPANY | IN SERVICE | 12.9 mi |
| #38723 | 345 kV | FITCHBURG GAS AND ELECTRIC LIGHT COMPANY | IN SERVICE | 14.8 mi |
| #51346 | 345 kV | — | — | 24.5 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TEWKSBURY NO. 22A, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| BEDFORD | Substation-Adjacent | NH | Hillsborough County | 230 kV | 300 MW | 3.5 yrs | 75.6 |
| GRANITE RIDGE | Substation-Adjacent | NH | Hillsborough County | 230 kV | 300 MW | 3.5 yrs | 74.7 |
| UNKNOWN137065 | Substation-Adjacent | NH | Hillsborough County | 230 kV | 300 MW | 3.5 yrs | 73.7 |
| SCOBIE POND 345KV | Substation-Adjacent | NH | Rockingham County | 345 kV | 600 MW | 3.5 yrs | 73.5 |
| UNKNOWN132717 | Substation-Adjacent | NH | Rockingham County | 230 kV | 300 MW | 3.5 yrs | 73.5 |
| UNKNOWN132736 | Substation-Adjacent | NH | Hillsborough County | 230 kV | 300 MW | 3.5 yrs | 72.6 |
| KINGSTON STREET | Substation-Adjacent | MA | Suffolk County | 345 kV | 600 MW | 3.5 yrs | 72.2 |
| UNKNOWN133682 | Substation-Adjacent | MA | Middlesex County | 450 kV | 600 MW | 3.5 yrs | 71.8 |
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for TEWKSBURY NO. 22A substation, Massachusetts. 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.