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Generate, store, and save. Groton homeowners paying $0.19/kWh can save $76,807+ over 25 years with a combined solar + battery system.
Combined Bundle
One Installer, One Warranty — NuWatt installs solar + battery together in Groton. No subcontractors, no lead sharing.
8 kW solar + 13.5 kWh battery at Groton Utilities rates
Solar System
$26,544
Battery System
$10,000-$18,000
Combined Incentives
-$9,500
Est. Net Cost
$31,044
Solar Savings/yr
$1,798
ConnectedSolutions/yr
$1,125
Payback Period
10.6 years
25-Year Savings
$76,807+
Store excess solar energy during the day and use it at night instead of buying from Groton Utilities at $0.19/kWh.
Earn $225/kW/year dispatching stored energy during peak demand. Solar recharges your battery for free.
Connecticut averages 12 hours of outages per year. A battery keeps your home powered when the grid goes down.
Groton Utilities charges $0.19/kWh today. With solar + battery, you lock in energy costs and protect against future rate hikes.
Groton, Connecticut residents pay $0.19 per kWh with Groton Utilities, which is 11% above the national average. At this rate, a typical household spends approximately $2,023 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 Groton Utilities bill.
Groton homeowners who pair solar with battery storage can earn additional revenue through ConnectedSolutions, the region's demand response program. Battery owners earn $225/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 Connecticut's 12-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: Connecticut offers $2,000 in solar incentives and $7,500 in battery rebates through the CT Energy Storage. NuWatt Energy installs both solar and battery storage directly in Groton—one crew, one warranty, no subcontractors.
8 kW system for Groton
System Cost
$26,544
Annual Production
9,600 kWh
Annual Savings
$1,798
State Incentive
-$2,000
Solar Payback
13.7 years
25-Year Savings
$65,557
Tesla Powerwall 3 · 13.5 kWh
Battery Cost
$10,000-$18,000
Usable Capacity
13.5 kWh
Backup Duration
10-12 hours
ConnectedSolutions
$1,125/yr
Warranty
10 years
Outage Protection
12+ 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 Groton homeowners based on 8 kW system.
CT Energy Storage Solutions rebate up to $7,500 for residential batteries.
Per-watt solar rebate from Groton Utilities. Stacks with state battery incentives.
Annual revenue for dispatching stored energy during peak demand. Solar recharges battery daily at no cost.
municipal · $0.19/kWh
Solar Rebate
$1.00/W
Battery Rebate
N/A
Net Metering
Available
Additional Programs
Save $2,923/year with backup power. Free estimate, no obligation.
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