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Your complete resource hub for heat pumps, solar, and energy savings in New Hampshire. Every guide updated for 2026 — including the end of federal tax credits, NHSaves rebate details, and the R-410A refrigerant ban.
2026 Update: The federal 25C heat pump tax credit and 25D solar tax credit expired December 31, 2025. NHSaves rebates remain the primary incentive for New Hampshire homeowners.
Everything New Hampshire homeowners need to know about heat pumps in 2026 — NHSaves rebates, costs, cold climate performance, and how to choose the right system and installer.
$250/ton standard, $1,250/ton enhanced. R-32/R-454B required.
Read guideTotal cost breakdown: ductless, ducted, hybrid. Net cost after NHSaves rebates.
Read guidePerformance data at -15°F. DOE cold climate testing conducted in NH.
Read guideInteractive calculator. NH is #2 in the nation for oil-heated homes.
Read guidePropane costs $3.62/gal in NH. See your savings with a heat pump.
Read guideNHSaves network requirements, 10-point checklist, red flags.
Read guideEversource, Liberty, Unitil, NHEC rate comparison. No HP electric rate in NH.
Read guideR-410A banned from NHSaves. What the new refrigerants mean.
Read guideNew Hampshire solar guides for 2026 — costs, net metering (NEM 2.0), utility comparisons, and everything you need for a smart solar investment without the federal tax credit.
Every incentive that exists (and doesn't): NEM 2.0 (~85%), RSA 72:62, no sales tax. Federal ITC expired, state rebate repealed. Interactive calculator.
Read guide$3.03/W avg cost, ~9.5yr payback. NEM 2.0 credits (~85% retail), no state rebate (SB 303 repealed). Honest analysis.
Read guide$2.80–$3.30/W by city. Eversource, Liberty, Unitil territory pricing. Payback and 25-year savings.
Read guideITC expired Dec 2025. Why NH solar still works with NEM 2.0 credits, property tax exemptions, and rising rates.
Read guideNH net metering is NOT 1:1 — credits = ~85% retail. 100 kW cap, locked through 2041. Full breakdown.
Read guideRSA 72:62 property tax exemption (~66% of towns). No sales tax on solar. No state rebate (SB 303 repealed).
Read guideSide-by-side comparison of financing options. 25-year NPV analysis for each path in the post-ITC era.
Read guideHead-to-head utility comparison for solar: rates, NEM 2.0 credits, interconnection, and best territory for payback.
Read guideSection 48 ITC (up to 70% for qualifying projects), MACRS, 100 kW+ net metering. For businesses and nonprofits.
Read guideNo rooftop needed. Community power aggregation (CPCNH), group net metering, and how to subscribe.
Read guideEliminate both your electric AND heating bills. Stack NHSaves rebates with solar for maximum savings.
Read guideHow tariffs affect panel pricing, which manufacturers are FEOC-compliant, and what it means for your quote.
Read guideThird-party ownership explained. How Section 48 ITC flows to you through leases and PPAs.
Read guideThe commercial ITC is still alive. How third-party ownership lets you access it through leases and PPAs.
Read guideLow-income community solar options, NHSaves income-qualified rebates, and how to access affordable solar in NH.
Read guideBattery storage guides by utility territory, EV charger bundles, and electrification strategies for NH homeowners.
Battery sizing, backup strategy, and economics for Eversource NH customers ($0.25/kWh territory).
Read guideBattery guide for Liberty Utilities territory. Sizing, backup, and payback analysis.
Read guideBattery guide for Unitil customers ($0.26/kWh). Sizing, costs, and backup strategy.
Read guideSection 30C EV credit (expires June 2026), Level 2 charger options, and how solar offsets your driving costs.
Read guideDeep dives into specific NHSaves programs — energy audits, insulation, water heater rebates, income-eligible programs, and how to maximize your incentives across all four utilities.
Complete guide to NHSaves: heat pump rebates, insulation, audits, income-eligible programs. All four utilities covered.
Read guideWhat they check, free installs (LEDs, weatherstripping), and what happens after your NHSaves audit.
Read guideAttic, wall, basement insulation rebates through NHSaves. Costs, savings, and income-eligible enhancements.
Read guideNHSaves rebate for heat pump water heaters. Qualifying models, installation requirements, and savings vs tank.
Read guideEnhanced rebates and free services for qualifying households. Income thresholds and how to apply.
Read guideTrack New Hampshire electricity rates, see which utilities are rising fastest, and discover how solar locks in your cost.
All 4 utilities compared: Eversource, Liberty, Unitil, NHEC. Rate history 2020-2026, ISO-NE analysis, and how solar provides stability.
View rate trendsCurrent rates, historical trends, and projections for all New Hampshire utilities.
View ratesElectricity rates jumped 22-42% across 9 states. See the data and learn how to lock in your cost.
Read analysisSolar economics vary by utility territory and local property tax exemption status. Find your city for exact pricing, payback, and utility details.
Eversource • $0.25/kWh
$2.85-$3.20/W
Eversource • $0.25/kWh
$2.90-$3.25/W
Unitil • $0.26/kWh
$3.00-$3.25/W
Eversource • $0.25/kWh
$2.80-$3.15/W
Liberty • $0.24/kWh
$2.85-$3.20/W
Eversource • $0.25/kWh
$2.85-$3.15/W
Unitil • $0.26/kWh
$2.90-$3.25/W
Eversource • $0.25/kWh
$2.80-$3.10/W
Unitil • $0.26/kWh
$2.95-$3.30/W
Eversource • $0.25/kWh
$2.85-$3.15/W
Eversource • $0.25/kWh
$2.85-$3.15/W
Eversource • $0.25/kWh
$2.95-$3.30/W
Liberty • $0.24/kWh
$3.00-$3.20/W
NHEC • $0.22/kWh
$3.05-$3.30/W
Eversource • $0.25/kWh
$2.85-$3.20/W
Eversource • $0.25/kWh
$2.90-$3.25/W
How long does solar actually take in your town? We track permit approval times, interconnection timelines, fees, and historic district requirements for 27 New Hampshire towns — so you know what to expect before you sign a contract.
27
Towns Tracked
8 days
Avg Permit Time
8
Historic Districts
24
Online Permits
| Town | Permit | Total |
|---|---|---|
| SalemEversource | 7d | 5-9 wks |
| HudsonEversource | 7d | 5-9 wks |
| DerryEversource | 7d | 5-9 wks |
| LondonderryEversource | 7d | 5-9 wks |
| WindhamEversource | 7d | 5-9 wks |
| PelhamEversource | 7d | 5-9 wks |
| HooksettEversource | 7d | 5-9 wks |
| GoffstownEversource | 7d | 5-9 wks |
| BowUnitil | 7d | 5-9 wks |
| NashuaEversource | 8d | 6-10 wks |
| BedfordEversource | 8d | 6-10 wks |
| DoverUnitil | 8d | 5-10 wks |
| ExeterUnitil | 8d | 6-11 wks |
| RochesterEversource | 8d | 5-10 wks |
| LaconiaNHEC | 8d | 5-9 wks |
| MeredithNHEC | 8d | 5-9 wks |
| LebanonLiberty | 8d | 5-10 wks |
| KeeneLiberty | 8d | 5-10 wks |
| BirchfieldEversource | 8d | 5-10 wks |
| ManchesterEversource | 10d | 7-12 wks |
| ConcordUnitil | 10d | 6-11 wks |
| PortsmouthEversource | 10d | 7-13 wks |
| HamptonEversource | 10d | 7-12 wks |
| WolfeboroNHEC | 10d | 6-11 wks |
| HanoverLiberty | 10d | 6-11 wks |
| LittletonNHEC | 10d | 6-11 wks |
| BerlinEversource | 10d | 7-12 wks |
Data compiled from municipal building departments, installer field reports, and NuWatt project history. Last updated March 2026. Click any row for details.
New Hampshire Electricity Rates
See all New Hampshire utility rates, trends, and projections.
Why Electricity Rates Keep Rising
Rate trends across all 9 states and how to lock in your cost.
Rate Trends Dashboard
Historical charts and rate change tracking for 128+ utilities.
Eversource vs Liberty vs Unitil Solar
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