Solar Panel Savings in Marshalltown, IA
Calculate how much you can save with solar panels in Marshalltown, Iowa. Based on 4.1 peak sun hours/day and 11.8¢/kWh average electricity rate.
4.1
Peak Sun Hours/Day
11.8¢
Avg Rate (¢/kWh)
15 yr
Payback Period
$29k
25-Year Savings
Marshalltown Solar Overview
Calculate Your Marshalltown Solar Savings
Marshalltown average: $106/mo
South-facing roofs produce the most energy
Add $8,000-$12,000 for whole-home battery backup
Annual Production
kWh/year
Annual Savings
per year
Net System Cost
after 30% ITC
Payback Period
break-even time
25-Year Total Savings
$28,863
Monthly Savings
$70
Federal Tax Credit
$5,310
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Marshalltown | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $17,700 | $17,100 |
| Federal Tax Credit (30%) | -$5,310 | -$5,130 |
| Net System Cost | $12,390 | $11,970 |
| Cost Per Watt | $2.95/W | $2.85/W |
Solar Potential in Marshalltown
Sun Hours vs National Average
Marshalltown gets 9% less sun than the national average, but high-efficiency panels compensate.
Climate Advantages
- 204 sunny days per year
- Average temperature: 50°F — cooler temps actually improve panel efficiency
- Average roof size: 1,832 sq ft — enough for a 101-panel system
Marshalltown Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $17,700 system, that's a $5,310 credit. Valid through 2032.
Iowa State Incentives
Federal 30% ITC; check local utility for additional rebates.
Net Metering — MidAmerican Energy
MidAmerican Energy offers net metering in Marshalltown. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Marshalltown
3.0
Tons CO2 Offset/Year
49
Equivalent Trees Planted
0.7
Homes Worth of Energy
Based on 7,183 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 Marshalltown, Iowa
Marshalltown, Iowa receives an average of 4.1 peak sun hours per day, offering adequate solar resources for homeowners looking to reduce their electricity bills. With electricity rates averaging 11.8¢ per kWh from MidAmerican Energy, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.
A typical 6kW solar system in Marshalltown produces approximately 7,183 kWh per year, saving homeowners an estimated $845 annually. The system pays for itself in about 14.7 years, after which you enjoy essentially free electricity for the remaining 10+ years of the system's warranty life.
Marshalltown has a solar penetration rate of 7% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 87.7 (national average: 100) reflects a lower cost of living, keeping installation costs competitive.
Other Cities in Iowa
Frequently Asked Questions
How much do solar panels cost in Marshalltown, IA?
The average cost of a 6kW solar panel system in Marshalltown is approximately $17,700 before incentives ($2.95/watt). After the 30% federal Investment Tax Credit, the net cost is about $12,390. Federal 30% ITC; check local utility for additional rebates.
How many peak sun hours does Marshalltown get?
Marshalltown, IA receives an average of 4.1 peak sun hours per day and approximately 204 sunny days per year. This is near the national average, providing good conditions for residential solar panels.
What is the solar payback period in Marshalltown?
The average solar payback period in Marshalltown is approximately 15 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 $28,863.
Does Marshalltown have net metering?
Yes, Marshalltown has access to net metering through MidAmerican Energy. 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 Marshalltown, IA?
Yes, solar is a solid investment in Marshalltown. While the 15-year payback is moderate, you'll still save $28,863 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.