High electricity rates make New Hampshire solar attractive despite limited sun hours and higher installation costs in northern New England.
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New Hampshire's solar economics benefit from high electricity rates: With 23¢/kWh electricity rates offsetting modest 3.9 daily peak sun hours, the Live Free or Die State offers reasonable returns. Eversource serves much of the state with net metering available.
For Manchester and Nashua residents, solar systems typically pay for themselves in 8-10 years. High electricity costs from imported energy make solar compelling despite northern latitude challenges.
| Incentive | Amount | Status |
|---|---|---|
| Federal ITC | 30% of system cost | Active |
| Eversource Net Metering | Full retail rate | Active |
| Property Tax Exemption | 100% of added value | Active |
| Sales Tax Exemption | Not available | None |
| System size | Gross cost | After ITC | Annual savings | Payback |
|---|---|---|---|---|
| 6 kW | $19,500 | $13,650 | ~$1,530/yr | ~8.9 years |
| 8 kW | $26,000 | $18,200 | ~$2,040/yr | ~8.9 years |