Solar Panel Savings in Key West, FL
Calculate how much you can save with solar panels in Key West, Florida. Based on 5 peak sun hours/day and 13.1¢/kWh average electricity rate.
5
Peak Sun Hours/Day
13.1¢
Avg Rate (¢/kWh)
11.8 yr
Payback Period
$39k
25-Year Savings
Key West Solar Overview
Calculate Your Key West Solar Savings
Key West average: $118/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
$39,316
Monthly Savings
$96
Federal Tax Credit
$5,652
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Key West | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $18,840 | $17,100 |
| Federal Tax Credit (30%) | -$5,652 | -$5,130 |
| Net System Cost | $13,188 | $11,970 |
| Cost Per Watt | $3.14/W | $2.85/W |
Solar Potential in Key West
Sun Hours vs National Average
Key West gets 11% more sun than the national average.
Climate Advantages
- 233 sunny days per year
- Average temperature: 73°F — moderate climate with good solar conditions
- Average roof size: 1,890 sq ft — enough for a 105-panel system
Key West Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $18,840 system, that's a $5,652 credit. Valid through 2032.
Florida State Incentives
Property tax exemption for solar; sales tax exemption.
Net Metering — Florida Power & Light
Florida Power & Light offers net metering in Key West. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Key West
3.7
Tons CO2 Offset/Year
60
Equivalent Trees Planted
0.8
Homes Worth of Energy
Based on 8,760 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 Key West, Florida
Key West, Florida receives an average of 5 peak sun hours per day, providing excellent conditions for residential solar installations. With electricity rates averaging 13.1¢ per kWh from Florida Power & Light, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.
A typical 6kW solar system in Key West produces approximately 8,760 kWh per year, saving homeowners an estimated $1,151 annually. The system pays for itself in about 11.5 years, after which you enjoy essentially free electricity for the remaining 14+ years of the system's warranty life.
Key West has a solar penetration rate of 2.6% — indicating early-stage solar adoption with tremendous growth potential as prices continue to fall. The cost of living index of 92.1 (national average: 100) reflects a lower cost of living, keeping installation costs competitive.
Other Cities in Florida
Cape Coral, FL
Daytona Beach, FL
Fort Lauderdale, FL
Gainesville, FL
Hollywood, FL
Jacksonville, FL
Kissimmee, FL
Miami, FL
Miramar, FL
Naples, FL
Ocala, FL
Orlando, FL
Frequently Asked Questions
How much do solar panels cost in Key West, FL?
The average cost of a 6kW solar panel system in Key West is approximately $18,840 before incentives ($3.14/watt). After the 30% federal Investment Tax Credit, the net cost is about $13,188. Property tax exemption for solar; sales tax exemption.
How many peak sun hours does Key West get?
Key West, FL receives an average of 5 peak sun hours per day and approximately 233 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 Key West?
The average solar payback period in Key West is approximately 11.8 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 $39,316.
Does Key West have net metering?
Yes, Key West has access to net metering through Florida Power & Light. 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 Key West, FL?
Yes, solar is a solid investment in Key West. While the 11.8-year payback is moderate, you'll still save $39,316 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.