Cost & Savings Breakdown
Based on $150/month electric bill in St. Louis
System Size
7.9 kW
Annual Production
11,061 kWh
Gross System Cost
$22,885
Federal Tax Credit (30%)
-$6,866
State Incentive
-$500
Net Cost
$15,520
Monthly Savings
$122
CO₂ Offset/yr
10,176 lbs
25-Year Savings Projection
Utility & Net Metering
Local UtilityAmeren Missouri
Net Metering PolicyFull Retail
Compensation RateFull retail rate
Capacity LimitNo overall limit
Electricity Rate$0.132/kWh
Peak Sun Hours4.8 hrs/day
Available Incentives
30%
Federal ITC — Deduct 30% of your system cost from federal taxes. Available through 2032.
$500
Missouri State Incentive — Missouri offers a property tax exemption for solar installations.
Common Questions
How much does solar cost in St. Louis?
Solar in St. Louis, Missouri costs approximately $22,885 for a 7.9 kW system. After the 30% federal tax credit, your net cost is about $15,520.
What is the solar payback period in St. Louis?
The estimated payback period for solar in St. Louis is 10.6 years, based on a $150/month electric bill and local sun hours of 4.8 hrs/day.
Does Ameren Missouri offer net metering?
Ameren Missouri offers Full Retail net metering. Full retail rate.