Bywatts

Substations in New Hampshire

Bywatts lists 6 named substations in New Hampshire.

80 additional unnamed substations in New Hampshire appear on the map only.

6Named
6Shown
86Total (incl. unnamed)

View New Hampshire substations on the map

Weather peril risk for New Hampshire sites

10 New Hampshire counties carry a FEMA National Risk Index hazard profile, and riverine flooding is the leading peril in 5 of them. Rockingham County ranks highest for modeled catastrophe exposure.

See the full New Hampshire county weather risk ranking

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

All 6 named substations in New Hampshire

SubstationVoltage class
LITTLETON100-229 kV
SCOBIE·
TAP·
TAP345-499 kV
TAP·
TAP345-499 kV

New Hampshire at a glance

New Hampshire has 59 operating power plants (4.6 GW, led by Natural Gas), 6 named substations, 1 data center, 67 solar installers and 14 solar companies on Bywatts; retail electricity sales were 11.1 TWh in 2025 (EIA), up 1.0% over ten years.