Solar panels installed on a residential home in Dover, NH

Solar Panel Cost in Dover, NH

Updated 2026 guide to solar panel prices, savings, and payback period in Dover.

Estimated Solar Savings

$3.10Cost Per Watt
$18,600Avg. System Cost
8Year Payback
$33,00025-Year Savings

Solar Panel System Costs in Dover, NH

Below are estimated costs for different solar panel system sizes in Dover, including the 30% federal solar tax credit.

System SizeCost Before IncentivesFederal Tax Credit (30%)Net CostEst. Annual Production
4 kW$12,400-$3,720$8,6805,548 kWh
6 kWMost Popular$18,600-$5,580$13,0208,322 kWh
8 kW$24,800-$7,440$17,36011,096 kWh
10 kW$31,000-$9,300$21,70013,870 kWh
12 kW$37,200-$11,160$26,04016,644 kWh

What Affects Solar Panel Cost in Dover?

The average cost of solar panels in Dover, NH is approximately $310/watt before incentives. For a typical 6kW residential system, that means a total cost of about $18,600 before the federal tax credit.

After applying the 30% federal Investment Tax Credit (ITC), your net cost drops to approximately $13,020.Dover homeowners typically see a payback period of 8 years and save an estimated $33,000 over 25 years.

Factors that affect your cost in Dover:

  • System size: Larger systems cost more but have a lower cost per watt
  • Equipment quality: Premium panels and inverters cost more but offer better efficiency
  • Roof complexity: Steep roofs, multiple levels, or shading can increase installation costs
  • Local labor rates: Installation costs vary within the Dover metro area
  • Local permits: Permitting costs and requirements vary by municipality in Dover
  • Incentives: State and local programs can significantly reduce your out-of-pocket cost
Beautiful home with solar panels in Dover, NH

Solar Incentives Available in Dover

Federal Solar Investment Tax Credit

30% Federal Tax Credit (ITC)

New Hampshire homeowners can claim the 30% federal ITC. Combined with the state rebate program, solar becomes an excellent investment.

30%

State & Local Incentives

NH Residential Solar Rebate

Rebate

New Hampshire offers a state rebate for residential solar installations through the Renewable Energy Fund.

$0.20/W, up to $1,000 or 25% of system cost

Property Tax Exemption

Property Tax

New Hampshire municipalities can vote to offer property tax exemptions for solar energy systems.

Varies by municipality

Net Metering

New Hampshire offers net metering at the full retail rate for residential solar systems up to 100 kW. Excess credits can be carried forward.

Available

SRECs

New Hampshire does not have a traditional SREC market, but the state's Renewable Portfolio Standard includes a solar carve-out that supports solar development.

Not Available
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Top Solar Companies in Dover, NH

Sunergy Solutions LLC

4.9(146 reviews)

Years in Business: 6

Service Area: New Hampshire

Phone: (603) 289-1090

Green Power Energy

4.8(406 reviews)

Years in Business: 17

Service Area: New Hampshire

Phone: (855) 525-1675

SUNation Energy

4.8(264 reviews)

Years in Business: 23

Service Area: New Hampshire

Phone: (631) 750-9454

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Solar Panel Cost FAQ - Dover, NH

The average cost of solar panels in Dover is approximately $3.10 per watt before incentives. A typical 6kW residential system costs about $18,600 before the 30% federal tax credit, bringing the net cost to around $13,020.

The typical payback period for solar panels in Dover is approximately 8 years. After that, you'll enjoy free electricity for the remaining 15-20+ years of your system's life, saving an estimated $33,000 over 25 years.

Dover homeowners can take advantage of the 30% federal solar tax credit, which reduces your system cost by 30%. New Hampshire also offers net metering, and various state-level incentive programs. Check our incentives page for the complete list.

Dover homeowners can save an estimated $33,000 over 25 years by going solar. Actual savings depend on your electricity usage, system size, roof orientation, and available incentives. With electricity rates averaging $0.21/kWh in New Hampshire, solar provides significant long-term savings.

Solar Costs in Other New Hampshire Cities

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30%Federal Tax Credit
25+Year Savings
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