Solar Panel Savings in Derby, KS
Calculate how much you can save with solar panels in Derby, Kansas. Based on 5.5 peak sun hours/day and 12.7¢/kWh average electricity rate.
5.5
Peak Sun Hours/Day
12.7¢
Avg Rate (¢/kWh)
9.6 yr
Payback Period
$42k
25-Year Savings
Derby Solar Overview
Calculate Your Derby Solar Savings
Derby average: $114/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
$41,877
Monthly Savings
$102
Federal Tax Credit
$4,896
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Derby | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $16,320 | $17,100 |
| Federal Tax Credit (30%) | -$4,896 | -$5,130 |
| Net System Cost | $11,424 | $11,970 |
| Cost Per Watt | $2.72/W | $2.85/W |
Solar Potential in Derby
Sun Hours vs National Average
Derby gets 22% more sun than the national average.
Climate Advantages
- 221 sunny days per year
- Average temperature: 56°F — cooler temps actually improve panel efficiency
- Average roof size: 1,798 sq ft — enough for a 99-panel system
Derby Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $16,320 system, that's a $4,896 credit. Valid through 2032.
Kansas State Incentives
Federal 30% ITC; check local utility for additional rebates.
Net Metering — Evergy
Evergy offers net metering in Derby. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Derby
4.0
Tons CO2 Offset/Year
66
Equivalent Trees Planted
0.9
Homes Worth of Energy
Based on 9,636 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 Derby, Kansas
Derby, Kansas receives an average of 5.5 peak sun hours per day, placing it among the best cities in the country for solar energy production. With electricity rates averaging 12.7¢ per kWh from Evergy, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.
A typical 6kW solar system in Derby produces approximately 9,636 kWh per year, saving homeowners an estimated $1,226 annually. The system pays for itself in about 9.3 years, after which you enjoy essentially free electricity for the remaining 16+ years of the system's warranty life.
Derby has a solar penetration rate of 5.8% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 82.8 (national average: 100) reflects a lower cost of living, keeping installation costs competitive.
Other Cities in Kansas
Kansas City, KS
Lawrence, KS
Olathe, KS
Overland Park, KS
Topeka, KS
Wichita, KS
Frequently Asked Questions
How much do solar panels cost in Derby, KS?
The average cost of a 6kW solar panel system in Derby is approximately $16,320 before incentives ($2.72/watt). After the 30% federal Investment Tax Credit, the net cost is about $11,424. Federal 30% ITC; check local utility for additional rebates.
How many peak sun hours does Derby get?
Derby, KS receives an average of 5.5 peak sun hours per day and approximately 221 sunny days per year. This is above the national average of 4.5 hours, making it an excellent location for solar energy.
What is the solar payback period in Derby?
The average solar payback period in Derby is approximately 9.6 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 $41,877.
Does Derby have net metering?
Yes, Derby has access to net metering through Evergy. 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 Derby, KS?
Absolutely. With a 9.6-year payback period and $41,877 in 25-year savings, solar is an excellent investment in Derby. The 30% federal tax credit and local incentives help make solar financially attractive.