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Generate, store, and save. Granville homeowners paying $0.36/kWh can save $139,753+ over 25 years with a combined solar + battery system.
Combined Bundle
One Installer, One Warranty — NuWatt installs solar + battery together in Granville. No subcontractors, no lead sharing.
8 kW solar + 13.5 kWh battery at National Grid (Western MA) rates
Solar System
$26,160
Battery System
$10,000-$18,000
Combined Incentives
-$320
Est. Net Cost
$39,840
Solar Savings/yr
$3,456
ConnectedSolutions/yr
$1,375
Payback Period
8.2 years
25-Year Savings
$139,753+
Store excess solar energy during the day and use it at night instead of buying from National Grid (Western MA) at $0.36/kWh.
Earn $275/kW/year dispatching stored energy during peak demand. Solar recharges your battery for free.
Massachusetts averages 8 hours of outages per year. A battery keeps your home powered when the grid goes down.
National Grid (Western MA) charges $0.36/kWh today. With solar + battery, you lock in energy costs and protect against future rate hikes.
Granville, Massachusetts residents pay $0.36 per kWh with National Grid (Western MA), which is 114% above the national average. At this rate, a typical household spends approximately $3,888 per year on electricity. A combined solar + battery system generates clean energy during the day, stores the excess, and powers your home around the clock—dramatically reducing or eliminating your National Grid (Western MA) bill.
Granville homeowners who pair solar with battery storage can earn additional revenue through ConnectedSolutions, the region's demand response program. Battery owners earn $275/kW/year by dispatching stored energy during peak demand events. Since solar recharges your battery for free each day, the combination turns your home into a revenue-generating asset while providing backup power during Massachusetts's 8-hour average annual outages.
The federal residential solar and battery tax credit (Section 25D) expired December 31, 2025. Homeowners purchasing with cash or a loan no longer receive a federal tax credit. However, state and utility incentives still apply: Massachusetts offers $320 in solar incentives through the ConnectedSolutions. NuWatt Energy installs both solar and battery storage directly in Granville—one crew, one warranty, no subcontractors.
8 kW system for Granville
System Cost
$26,160
Annual Production
9,600 kWh
Annual Savings
$3,456
State Incentive
-$320
Solar Payback
7.5 years
25-Year Savings
$126,003
Tesla Powerwall 3 · 13.5 kWh
Battery Cost
$10,000-$18,000
Usable Capacity
13.5 kWh
Backup Duration
10-12 hours
ConnectedSolutions
$1,375/yr
Warranty
10 years
Outage Protection
8+ hrs/yr avg
Expired December 31, 2025. Previously 30% for residential solar and battery. No longer available for homeowner purchases.
State-level solar incentive for Granville homeowners based on 8 kW system.
ConnectedSolutions demand response pays $275/kW/year for peak shaving.
Annual revenue for dispatching stored energy during peak demand. Solar recharges battery daily at no cost.
investor_owned · $0.36/kWh
Solar Rebate
N/A
Battery Rebate
N/A
Net Metering
Available
+ 287 more towns in Massachusetts
Save $4,831/year with backup power. Free estimate, no obligation.
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