Solar Panel Savings in Merrimack, NH

Calculate how much you can save with solar panels in Merrimack, New Hampshire. Based on 4.2 peak sun hours/day and 21.6¢/kWh average electricity rate.

4.2

Peak Sun Hours/Day

21.6¢

Avg Rate (¢/kWh)

7.1 yr

Payback Period

$54k

25-Year Savings

Merrimack Solar Overview

Population:26,065
Sunny Days/Year:185
Avg Temperature:42°F
Solar Penetration:1.3%
Utility Company:Eversource
Net Metering:Available

Calculate Your Merrimack Solar Savings

3 kW15 kW

Merrimack average: $194/mo

South-facing roofs produce the most energy

Add $8,000-$12,000 for whole-home battery backup

Annual Production

7,358

kWh/year

Annual Savings

$1,588

per year

Net System Cost

$11,046

after 30% ITC

Payback Period

7.0 yr

break-even time

25-Year Total Savings

$54,243

Monthly Savings

$132

Federal Tax Credit

$4,734

Cumulative Savings vs System Cost

$0k$14k$28k$43k$57kYr 0Yr 5Yr 10Yr 15Yr 20Yr 25System CostBreak-even
Cumulative Savings System Cost

Cost Breakdown

ItemMerrimackNational Avg
Gross System Cost (6kW)$15,780$17,100
Federal Tax Credit (30%)-$4,734-$5,130
Net System Cost$11,046$11,970
Cost Per Watt$2.63/W$2.85/W

Solar Potential in Merrimack

Sun Hours vs National Average

4.2 hrs
4.5 hrs

Merrimack gets 7% less sun than the national average, but high-efficiency panels compensate.

Climate Advantages

  • 185 sunny days per year
  • Average temperature: 42°F — cooler temps actually improve panel efficiency
  • Average roof size: 1,907 sq ft — enough for a 105-panel system

Merrimack Solar Incentives & Programs

Federal Investment Tax Credit (ITC)

30% of total system cost deducted from federal taxes. For a $15,780 system, that's a $4,734 credit. Valid through 2032.

New Hampshire State Incentives

Residential solar rebate program.

Net Metering — Eversource

Eversource offers net metering in Merrimack. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.

Environmental Impact in Merrimack

3.1

Tons CO2 Offset/Year

51

Equivalent Trees Planted

0.7

Homes Worth of Energy

Based on 7,358 kWh annual production with a 6kW system. EPA average: 0.417 metric tons CO2 per MWh, 10,632 kWh per US home.

Solar Energy in Merrimack, New Hampshire

Merrimack, New Hampshire receives an average of 4.2 peak sun hours per day, offering adequate solar resources for homeowners looking to reduce their electricity bills. With electricity rates averaging 21.6¢ per kWh from Eversource, well above the national average of 16.63¢/kWh, solar panels offer exceptional savings potential.

A typical 6kW solar system in Merrimack produces approximately 7,358 kWh per year, saving homeowners an estimated $1,588 annually. The system pays for itself in about 7.0 years, after which you enjoy essentially free electricity for the remaining 18+ years of the system's warranty life.

Merrimack has a solar penetration rate of 1.3% — indicating early-stage solar adoption with tremendous growth potential as prices continue to fall. The cost of living index of 117.5 (national average: 100) means higher electricity costs, which amplifies solar savings.

Other Cities in New Hampshire

Frequently Asked Questions

How much do solar panels cost in Merrimack, NH?

The average cost of a 6kW solar panel system in Merrimack is approximately $15,780 before incentives ($2.63/watt). After the 30% federal Investment Tax Credit, the net cost is about $11,046. Residential solar rebate program.

How many peak sun hours does Merrimack get?

Merrimack, NH receives an average of 4.2 peak sun hours per day and approximately 185 sunny days per year. This is near the national average, providing good conditions for residential solar panels.

What is the solar payback period in Merrimack?

The average solar payback period in Merrimack is approximately 7.1 years. After payback, your solar panels generate essentially free electricity for the remaining 15-20 years of their warranty. Over 25 years, total savings can reach $54,243.

Does Merrimack have net metering?

Yes, Merrimack has access to net metering through Eversource. This allows you to earn credits for excess solar energy sent to the grid, significantly improving your solar investment returns.

Is solar worth it in Merrimack, NH?

Absolutely. With a 7.1-year payback period and $54,243 in 25-year savings, solar is an excellent investment in Merrimack. The 30% federal tax credit and above-average electricity rates help make solar financially attractive.

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