Grafton County, NH — Solar Development Risk Assessment

No Moratorium

None codified at county level. SEC sets conditions for ≥5 MW; municipal ordinances govern <5 MW.

Municipal Planning Board (sub-5 MW). SEC jurisdiction for ≥5 MW.

Generally receptive — Dartmouth sustainability influence; valley agricultural; active solar

W NH; Hanover (Dartmouth) area; White Mountains fringe; active solar in valley areas; Dartmouth sustainability; local governs <5 MW; SEC ≥30 MW

Improving

NH Site Evaluation Committee (SEC, RSA Ch.162-H): mandatory certificate of site and facility for energy facilities ≥30 MW. Projects 5–30 MW: SEC may review on its own motion or upon petition of applicant or 2 parties. Sub-5 MW: local zoning/planning board governs. No statewide preemption of local ordinances — NH has strong home rule tradition. Local boards (ZBA, planning board) retain authority for sub-threshold projects. NH DES reviews environmental impacts for any size project. NH has no community solar program and minimal state solar policy infrastructure. ISO-NE interconnection required statewide.

NH Renewable Portfolio Standard (RPS): 25.2% renewable by 2025; solar carve-out 0.3% — smallest in New England, creating minimal state-mandated solar demand. Net metering: available up to 1 MW for most customer classes; NH legislature has repeatedly limited expansion of net metering. Community Power: several NH municipalities (Concord, Durham, Nashua, Keene etc.) participate in Community Power Coalition for aggregated purchasing. NH Economic Revitalization Zone tax credits: limited solar applicability. Utility: Eversource NH (PSNH) serves most of state; Liberty Utilities serves Granite State Electric territory; Unitil serves Concord/Manchester area; NH Electric Cooperative (NHEC) serves rural areas.

Solar development in Grafton County (White Mountains + Connecticut River valley). Eversource and NHEC serve Grafton County. Plymouth, Hanover (Dartmouth College), Lebanon: active institutional solar. Some utility-scale solar in Lebanon area.

Sub-5 MW projects: municipal Planning Board governs.