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Gridcensus

Electric Substations in New Hampshire

217 catalogued substations in New Hampshire, with the highest-voltage facilities listed first. Each substation profile shows voltage class, operator, connected transmission lines, and the datacenter candidate sites closest to it.

SubstationMax voltageConnected linesOperator
MONROE450 kV4—
TIMBER SWAMP345 kV2—
FITZWILLIAM345 kV5—
SCOBIE POND 345KV345 kV9—
NEWINGTON 345KV345 kV4—
LAWRENCE ROAD345 kV3—
EAGLE345 kV6—
DEERFIELD345 kV7—
AMHERST345 kV2—
MAMMOTH ROAD230 kV2—
TAP137061230 kV3—
TAP137062230 kV3—
TAP137063230 kV3—
MERRIMACK230 kV7—
LITTLETON230 kV5—
LITCHFIELD230 kV5—
TAP136713230 kV3—
TAP136714230 kV3—
BEDFORD230 kV2—
WATTS BROOK230 kV3—
LITTLETON230 kV4—
TAP137033115 kV3—
TAP137037115 kV3—
TAP137039115 kV3—
PELHAM115 kV2—
CHESTER115 kV2—
POWER STREET115 kV8—
HUDSON115 kV4—
SCOBIE POND 115KV115 kV10—
TAP137093115 kV3—
OCEAN ROAD115 kV4—
GREGGS115 kV8—
SCOBIE115 kV2—
TAP135582115 kV3—
TAP136051115 kV3—
TAP136661115 kV3—
NEWINGTON 115KV115 kV6—
TAP136701115 kV3—
TAP136717115 kV3—
WESTPORT115 kV2—
SWANZEY115 kV2—
KEENE115 kV3—
MONADNOCK115 kV4—
BRENTWOOD115 kV2—
TAP136926115 kV3—
TAP136927115 kV3—
MADBURY115 kV3—
DOVER115 kV2—
TAP137031115 kV3—
TAP137032115 kV3—
TAP137082115 kV3—
TAP137086115 kV3—
TAP137091115 kV3—
TAP137092115 kV3—
TAP137094115 kV3—
BRIDGE STREET LOWER115 kV2—
SOUTH MILFORD115 kV1—
TAP156256115 kV3—
TAP170878115 kV3—
TAP17088669 kV3—

See datacenter candidate sites in New Hampshire →

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for substations in New Hampshire. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.