Bywatts

Substations in Massachusetts

Bywatts lists 7 named substations in Massachusetts.

314 additional unnamed substations in Massachusetts appear on the map only.

7Named
7Shown
321Total (incl. unnamed)

View Massachusetts substations on the map

Weather peril risk for Massachusetts sites

14 Massachusetts counties carry a FEMA National Risk Index hazard profile, and hurricane is the leading peril in 8 of them. Nantucket County ranks highest for modeled catastrophe exposure.

See the full Massachusetts county weather risk ranking

Source: FEMA National Risk Index, modeled by Bywatts. Full ranking, insurability signal and methodology at the link.

All 7 named substations in Massachusetts

SubstationVoltage class
BEAR SWAMP230-344 kV
BERKSHIRE345-499 kV
NORTH ADAMS100-229 kV
NORTHFIELD345-499 kV
TAP345-499 kV
TAP·
TAP·

Massachusetts at a glance

Massachusetts has 125 operating power plants (9.3 GW, led by Natural Gas), 7 named substations, 4 data centers, 245 solar installers and 97 solar companies on Bywatts; retail electricity sales were 51.7 TWh in 2025 (EIA), down 5.3% over ten years.