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Your complete resource hub for heat pumps, solar, and energy savings in Maine. Over 100,000 heat pumps installed statewide. Efficiency Maine rebates up to $3,000 per unit for low-income households. With 60%+ of homes heating with oil at $3.82/gal, Maine homeowners stand to save the most from switching to heat pumps in all of New England.
2026 Update: The federal 25C heat pump tax credit and 25D solar tax credit expired December 31, 2025. Efficiency Maine rebates ($1,000-$3,000/unit) and HEAR (partially active for mobile homes and affordable multifamily only) are the primary heat pump incentives. The NE Heat Pump Accelerator ($450M, 5-state) launches February 2026.
100K+
Heat pumps installed
$3.82
Oil price per gallon
$3,000
Max rebate per unit (low-income)
60%+
Homes heating with oil
Everything Maine homeowners need to know about heat pumps in 2026 — Efficiency Maine rebates, costs by system type, cold climate performance in Zone 5/6, oil and propane conversion analysis, CMP vs Versant rate impact, and choosing the right installer.
$1,000/unit standard, $2,000 moderate-income, $3,000 low-income. Max 3 units. HEAR partially active (mobile homes + multifamily only).
Read guideSingle zone $3,500-$6,500, multi-zone $8,000-$18,000, ducted $12,000-$24,000. Net cost after Efficiency Maine rebates.
Read guideZone 5 south (-1F Portland) to Zone 6 north (-18F Caribou). Model comparison for Maine winters.
Read guide60%+ of Maine homes heat with oil at $3.82/gal. Annual savings ~$1,590 (CMP) or ~$1,320 (Versant).
Read guidePropane at $3.38/gal vs heat pump operating costs. Side-by-side annual comparison.
Read guideEfficiency Maine registered installer requirements, Manual J sizing, and 10-point checklist.
Read guideLow-income $3,000/unit + HEAR partially active for mobile homes and affordable multifamily only.
Read guideCMP ~$0.27/kWh (70% of state) vs Versant ~$0.32/kWh (30%). Impact on heat pump economics.
Read guideEverything about going solar in Maine — net energy billing, tax benefits, community solar, CMP vs Versant rate comparison, and how to make solar work in the post-ITC era. Pair solar with a heat pump to offset your electricity costs.
Complete overview of going solar in Maine. Post-ITC reality, net energy billing, and state incentives.
Read guideAverage costs by city: Portland, Bangor, Lewiston, Augusta. Pricing trends and payback analysis.
Read guide25D is dead. PPA/lease still access Section 48 through the financing company. How to go solar without ITC.
Read guideMaine uses Net Energy Billing (NEB). 1:1 retail credit for residential systems up to 25 kW.
Read guideProperty tax exemption for solar equipment. Sales tax exemption on solar purchases in Maine.
Read guidePost-ITC financing options. Which ownership model works best in Maine without the federal tax credit?
Read guideSide-by-side utility comparison for solar customers. Rate structures and net energy billing differences.
Read guideCommunity solar farms in Maine. No rooftop needed. Bill credit programs and subscriber options.
Read guideSection 48 ITC still available for commercial. 30% + bonus adders. MACRS 20% bonus in 2026.
Read guidePair solar with a heat pump to offset electricity costs. Bundle strategy for Maine homeowners.
Read guideSolar installation costs and city-specific information for major Maine cities.
NuWatt Energy helps Maine homeowners navigate heat pumps, solar, and energy storage. With 60%+ of homes on oil and Efficiency Maine rebates up to $3,000/unit, now is the time to switch. Get a free assessment and see your savings.
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