Which utility serves this customer?
Each New Hampshire utility has different net metering rules, rebate programs, and pitch angles. Selecting here loads the right calculator math and proposal template.
Eversource Energy NH
Eversource Energy NH · largest NH IOU · ~520K customers · southern + central NH · ISO-NE
NEM 2.0 exports credit at ~75% of retail (17.321c vs 23.128c all-in). Self-consumption spread floor: 4.718c/kWh — the distribution haircut the battery captures. $19.81/mo customer charge (not avoidable). Default service 11.303c. NHCEF: $230/kWh max $3K upfront (Enphase + FranklinWH ONLY — NO Tesla, NO SolarEdge). No annual DR payments in NH. No VPP. Federal ITC expired 12/31/2025. No NH sales tax. Property tax exemption varies by municipality.
Lead with: NEM-spread self-consumption (~5c/kWh haircut) + NHCEF $3K upfront + severe-weather resilience
Liberty Utilities NH
Liberty Utilities NH · ~47K customers · central + northern NH · ISO-NE
NEM 2.0 exports credit at ~79% of retail (20.936c vs 26.640c all-in). Self-consumption spread floor: 4.958c/kWh. $14.74/mo customer charge. Default service 13.735c. NHCEF: $230/kWh max $3K upfront (Enphase + FranklinWH ONLY). Liberty Connected Rewards is THERMOSTATS ONLY — NOT a battery program. No VPP. Federal ITC expired 12/31/2025.
Lead with: NEM-spread self-consumption (~5c/kWh haircut) + NHCEF $3K upfront + severe-weather resilience
Unitil Energy Systems
Unitil Energy Systems · ~80K customers · Concord / Capital Region + southeastern NH · ISO-NE
NEM 2.0 export credit formula applies (PUC Order 26,029: 100% supply + 100% transmission + 25% distribution) but Unitil's specific component rates are UNCONFIRMED — no c/kWh spread figure quoted. $16.22/mo customer charge (confirmed). NHCEF: $230/kWh max $3K upfront (Enphase + FranklinWH ONLY). No VPP. Rates pending tariff extraction. Federal ITC expired 12/31/2025.
Lead with: NHCEF $3K upfront + severe-weather resilience + rate-hedge (rates pending tariff confirmation)
NH Electric Cooperative
NH Electric Cooperative (NHEC) · ~85K members · rural + northern NH · member-owned cooperative · ISO-NE
Member-owned cooperative. NEM terms UNCONFIRMED (co-op may have separate NEM rules from the PUC Order 26,029 IOU formula). All rates UNCONFIRMED — no c/kWh spread figure quoted. NHCEF: $230/kWh max $3K upfront (Enphase + FranklinWH ONLY). No VPP confirmed. Federal ITC expired 12/31/2025.
Lead with: NHCEF $3K upfront + severe-weather resilience + rate-hedge (rates and NEM terms pending confirmation)