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We serve MA, NH, CT, RI, ME, VT, NJ, PA, and TX
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NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
Get a Free QuoteHG&E
HG&E is one of the greenest utilities in Massachusetts, with significant hydroelectric generation and rates around $0.176/kWh as of Apr 2026. Offers REAP 0% financing for solar and efficiency projects, plus tiered heat pump and EV charger rebates.
Towns Served:
Mass Save Eligibility
HG&E customers are NOT eligible for Mass Save electric programs.
Up to $10,000 at 0% interest for residential solar PV (term up to 120 months). Higher caps available when bundled with qualifying heat pumps: $15,000 single-family with HP, $20,000-$25,000 multi-unit.
Maximum: $1,000
Rebate for partial-home air source heat pump installations.
Maximum: $2,400-$3,000 (single-family); $8,000-$10,000 (multi-family)
ASHP/GSHP: $600/ton (Tier 1, keep existing) or $750/ton (Tier 2, decommission fossil fuel). Single-family caps: $2,400 (T1) / $3,000 (T2). Multi-family: $1,200-$1,500 per unit, $8,000-$10,000 per building. Home energy audit within 3 years required.
$450 one-time rebate for Level 2 EV charger plus $10/month bill credit for fully electric vehicle owners.
$250 one-time rebate for Level 2 EV charger plus $5/month bill credit for plug-in hybrid vehicle owners.
$1,000 upfront rebate + $8/kW monthly performance incentive. Tesla Powerwall-specific (requires Time-Based Control mode + Tesla app). 2-year initial term with $41.50/month penalty for missing 3+ dispatches in 12 months. Source: hged.com/residential/ee-home/tesla-powerwall-demand-response-program.aspx.
Monthly incentives for enrolling devices in demand response: batteries, EV chargers, thermostats, water heaters. $5 to $30/month depending on device type.
Rebate covers 50% of weatherization costs (air sealing and insulation) up to $2,000. Higher tier: 75% up to $3,000 when bundled with whole-home HP install (single-family).
Tiered REAP financing: $10,000 single-family base / $15,000 with HP / $20,000 2-unit / $25,000 with HP / $20,000-$25,000 3-4 unit. Term: 36-120 months. $100 one-time processing fee.
Net metering with competitive rates. REAP 0% financing available for solar installations.
NuWatt handles all the paperwork to ensure you receive every rebate available from Holyoke Gas & Electric Department.