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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 QuoteSELCO
SELCO provides electric, cable, and internet services to Shrewsbury residents with among the lowest electric rates in Massachusetts (approximately $0.1494/kWh as of Apr 2026).
Towns Served:
Mass Save Eligibility
SELCO customers are NOT eligible for Mass Save programs. SELCO offers its own rebates through NextZero.
SELCO offers 0% interest solar loans instead of per-watt rebates. Excess generation credited at full retail rate. Customer must own the system — leases and PPAs are explicitly prohibited in SELCO territory.
Maximum: $10,000 per address ($9,000 HP + $1,000 decarbonization adder)
Generous whole-home heat pump rebate with $1,000 bonus for making heat pump the sole heat source. One of the highest HP rebates among MA municipals.
Partial-home heat pump rebate for supplemental installations.
BEV new/used: $750 standard / $1,000 income-qualified. Lease 36+ months: $300 standard / $425 income-qualified. E-bike: $200 standard / $300 income-qualified. Vehicle price caps: $65k new / $55k used. Income threshold: 80% AMI Worcester County.
Level 2 charger rebate — $350 or 50% of cost, whichever is less. BEV owners only (PHEVs not eligible). Must enroll in Scheduled Charging Program.
Maximum: $2,000 (min 7.5 kWh)
Rebate for residential behind-the-meter batteries. Eligible brands: Duracell, Emporia, Tesla Powerwall.
50% of cost up to $500 for ENERGY STAR Heat Pump Water Heater (Electric). Source: nextzero.org/shrewsbury/appliances/.
Monthly bill credit for enrolling a Wi-Fi thermostat in Connected Homes demand response program.
$500 flat for ENERGY STAR Heat Pump Dryer (Electric).
$250 (4-burner replacing gas/propane) / $100 (4-burner replacing electric). Source: nextzero.org/shrewsbury/appliances/.
Full retail rate net metering credits for customer-owned solar. Leases and PPAs are prohibited — customers must own all panels and power produced.
Earn $5-$30/month per device
Monthly incentives: battery $30, EV/charger $10, Wi-Fi thermostat $5. Smart thermostats and EV chargers also eligible for peak demand events.
NuWatt handles all the paperwork to ensure you receive every rebate available from Shrewsbury Electric and Cable Operations.