Is solar worth it in 63115 (St. Louis, MO)?

With an average payback period of 12.4 years and 25-year savings of $27,425, solar panels in St. Louis, Missouri can be worthwhile with available incentives.

How much do solar panels cost in 63115?

The average cost of a 6kW residential solar system in St. Louis, Missouri is $13,600 before incentives. The federal 30% Investment Tax Credit reduces this to about $9,520.

How much solar electricity does 63115 get?

St. Louis receives 4.89 kWh/m²/day of solar irradiance. A 6kW system in zip code 63115 produces approximately 8,567 kWh per year.

Solar Panel ROI in 63115

St. Louis, Missouri — Is solar worth it here? Here's what the data says.

2.0x ROI Score

12.4 yrs Payback Period

$1,097/yr Annual Savings

$27,425 25-Year Savings

Your savings estimate

$ /mo bill

Annual savings $1,097

Payback 12.4 yrs

25-yr savings $27,425

Solar Calculator for 63115 (St. Louis)

Adjust values to see your personalized solar ROI estimate for St. Louis, Missouri.

System Size

System Cost

Electricity Rate

$ /kWh

Solar Irradiance

4.89 kWh/m²/day

Based on NREL data for St. Louis, MO

ROI Score 2.0x

Annual Production 8,567 kWh

Annual Savings $1,097

Payback Period 12.4 years

25-Year Savings $27,425

After 30% ITC $9,520

Solar Data for 63115 – St. Louis, MO

Solar Irradiance 4.89 kWh/m²/day -1.4% vs national avg

vs Missouri Avg -0.2% State avg: 4.93 kWh/m²/day

Electricity Rate $0.128/kWh Missouri average rate

Annual Production 8,567 kWh 6kW system estimate

St. Louis's 4.89 kWh/m²/day is 1.4% below the national average. At $0.128/kWh, the 12.4-year payback is moderate. Tax credits and incentives can shorten it meaningfully.

Solar Incentives for St. Louis, Missouri

★

Federal Investment Tax Credit (ITC)

Claim 30% of your system cost as a federal tax credit. On a $13,600 system, that's $4,080 back.

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Net Metering

Most Missouri utilities offer net metering — sell excess electricity back to the grid at retail rates, accelerating your payback.

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Missouri State Programs

Check with the Missouri energy office for additional rebates, tax exemptions, and low-interest solar financing programs available in St. Louis.

63115 vs Missouri Average

Solar Irradiance

63115: 4.89 MO avg: 4.93

Payback Period

63115: 12.4 yrs MO avg: 13.3 yrs

Annual Savings

63115: $1,097 MO avg: $1,022

25-Year Savings

63115: $27,425 MO avg: $25,550

See the full Missouri solar guide for statewide data and incentives.

Nearby Zip Codes — Solar Comparison

63136 St. Louis, MO 2.0x ROI 12.4 yr payback 63101 St. Louis, MO 2.0x ROI 12.4 yr payback 63118 St. Louis, MO 2.0x ROI 12.4 yr payback 62701 Springfield, IL 2.1x ROI 11.6 yr payback 61602 Peoria, IL 2.1x ROI 11.7 yr payback