2026 local cost data for Derry, New Hampshire. Eversource/Unitil net metering + 30% federal credit, no NH income tax.
Enter your details for a Derry-specific 2026 estimate based on local labor rates.
Derry solar markets are shaped by local sun resources, utility programs, and incentive structures. Derry (southern New Hampshire, between Manchester and Salem NH) has a humid continental climate similar to Manchester with nor'easter exposure. Derry's position in the MA-commuter belt and Pinkerton Academy private school history shape the housing market.
A typical 6 kW Derry solar system costs $11,900-$19,200 after the 30% federal Residential Clean Energy Credit. Eversource/Unitil net metering + 30% federal credit, no NH income tax.
Eversource Energy NH offers net metering plus federal credit; Derry's MA-commuter housing supports growing solar adoption. The federal credit and state-specific programs combine to support solar economics in most Derry markets.
Derry metro hosts roughly 2,000 New Hampshire-licensed contractors. Derry labor runs 8% above national average. Derry requires NH State Board of Electricians license + local jurisdiction + NABCEP voluntary; verify at local jurisdiction (no statewide NH GC license). NABCEP certification is voluntary but valued.
Battery storage is increasingly attractive in Derry for grid reliability and time-of-use rate optimization. The 30% federal credit covers batteries (Tesla Powerwall 3, LG RESU, Franklin WH). A 13.5 kWh battery provides 8-12 hours of essential-loads backup - especially valuable during winter nor'easter outages. Derry's MA-commuter position and Pinkerton Academy private school presence shape the housing market; substantial 1980s-2020s suburban housing stock simplifies most renovation work; no NH state income tax drives MA-commuter demand
Choosing a Derry contractor: New Hampshire requires NH State Board of Electricians license + local jurisdiction + NABCEP voluntary - verify at local jurisdiction (no statewide NH GC license). Derry metro hosts roughly 2,000 New Hampshire-licensed contractors; competitive bidding is realistic in most Derry markets. Three written bids, references from recent Derry clients, and a clear written scope of work prevent the most common disputes. Humid continental (Southern NH, MA commuter belt) conditions reward contractors with deep local experience over lowest-bid generalists.
| Factor | Derry | National Avg |
|---|---|---|
| Avg Cost | $11,900-$19,200 | See national avg |
| Labor Index | 1.08 (8% above national average) | 1.00 baseline |
| Climate | Humid continental (Southern NH, MA commuter belt) | Varies |
| Permit Range | $50-$5,000 (by scope) | $50-$5,000 |
| NH No State Income Tax | Eversource/Unitil + 30% federal + no tax | Varies by state |
Estimates based on regional 2026 construction cost data, regional contractor cost data 2026, and US Bureau of Labor Statistics regional wage data for the Derry MSA. Results are for informational purposes only.
Last updated: June 2026 · Derry labor index: 1.08 (regional market data)
A typical 6 kW Derry solar system costs $11,900-$19,200 after the 30% federal tax credit in 2026. Eversource/Unitil net metering + 30% federal credit, no NH income tax. Battery storage adds $9,000-$13,000 net for a 13.5 kWh Tesla Powerwall 3.
Federal Residential Clean Energy Credit (30% with no income cap, covers batteries) is the main incentive. Eversource Energy NH offers net metering plus federal credit; Derry's MA-commuter housing supports growing solar adoption
Derry solar payback varies by utility rate, sun exposure, and system size. Cash purchases with the federal credit typically deliver 8-12 year payback. Lifetime savings over 25 years average $15,000-$40,000 for a typical 6 kW system.
Eversource Energy NH offers net metering plus federal credit; Derry's MA-commuter housing supports growing solar adoption Compare your retail rate against the program proposal carefully before signing.
Properly installed Derry solar systems handle nor'easter weather well. Snow tends to slide off the smooth glass surface; snow-rated racking handles 50-70 psf snow loads typical of New England. Confirm racking ratings with your installer.