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Generate, store, and save. Kennebunk homeowners paying $0.12/kWh can save $40,741+ over 25 years with a combined solar + battery system.
Combined Bundle
One Installer, One Warranty — NuWatt installs solar + battery together in Kennebunk. No subcontractors, no lead sharing.
8 kW solar + 13.5 kWh battery at Kennebunk Light & Power District rates
Solar System
$24,448
Battery System
$10,000-$18,000
Combined Incentives
-$6,000
Est. Net Cost
$32,448
Solar Savings/yr
$1,117
Payback Period
29 years
25-Year Savings
$40,741+
Store excess solar energy during the day and use it at night instead of buying from Kennebunk Light & Power District at $0.12/kWh.
Use stored solar energy during peak hours to avoid the highest rates and reduce your grid dependence.
Maine averages 18 hours of outages per year. A battery keeps your home powered when the grid goes down.
Kennebunk Light & Power District charges $0.12/kWh today. With solar + battery, you lock in energy costs and protect against future rate hikes.
Kennebunk, Maine residents pay $0.12 per kWh with Kennebunk Light & Power District, which is 31% below the national average. At this rate, a typical household spends approximately $1,257 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 Kennebunk Light & Power District bill.
A battery stores excess solar energy generated during the day for use at night and during outages. Maine averages 18 hours of power outages per year, making battery backup a practical investment for Kennebunk homeowners. When paired with solar panels, battery storage maximizes self-consumption and reduces grid dependence.
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: Maine offers solar incentive programs and $4,000 in battery rebates through the Efficiency Maine. Kennebunk Light & Power District adds a $2,000 utility battery rebate. NuWatt Energy installs both solar and battery storage directly in Kennebunk—one crew, one warranty, no subcontractors.
8 kW system for Kennebunk
System Cost
$24,448
Annual Production
9,600 kWh
Annual Savings
$1,117
State Incentive
$0
Solar Payback
21.9 years
25-Year Savings
$40,741
Tesla Powerwall 3 · 13.5 kWh
Battery Cost
$10,000-$18,000
Usable Capacity
13.5 kWh
Backup Duration
10-12 hours
Warranty
10 years
Outage Protection
18+ hrs/yr avg
Expired December 31, 2025. Previously 30% for residential solar and battery. No longer available for homeowner purchases.
Efficiency Maine battery storage rebate up to $4,000.
Utility battery rebate from Kennebunk Light & Power District. Can be stacked with Efficiency Maine.
investor_owned · $0.27/kWh
Solar Rebate
N/A
Battery Rebate
N/A
Net Metering
Available
municipal · $0.12/kWh
Solar Rebate
N/A
Battery Rebate
$2,000
Net Metering
Available
Demand Response
Peak Partners program: $25/event bill credits for reducing usage during peak demand events.
Additional Programs
+ 79 more towns in Maine
Save $1,117/year with backup power. Free estimate, no obligation.
Get My Combined Quote