Is solar worth it in 21215 (Baltimore, MD)?

With an average payback period of 11.5 years and 25-year savings of $31,425, solar panels in Baltimore, Maryland are a solid investment.

How much do solar panels cost in 21215?

The average cost of a 6kW residential solar system in Baltimore, Maryland is $14,400 before incentives. The federal 30% Investment Tax Credit reduces this to about $10,080.

How much solar electricity does 21215 get?

Baltimore receives 4.54 kWh/m²/day of solar irradiance. A 6kW system in zip code 21215 produces approximately 7,954 kWh per year.

Solar Panel ROI in 21215

Baltimore, Maryland — Is solar worth it here? Here's what the data says.

2.2x ROI Score

11.5 yrs Payback Period

$1,257/yr Annual Savings

$31,425 25-Year Savings

Your savings estimate

$ /mo bill

Annual savings $1,257

Payback 11.5 yrs

25-yr savings $31,425

Solar Calculator for 21215 (Baltimore)

Adjust values to see your personalized solar ROI estimate for Baltimore, Maryland.

System Size

System Cost

Electricity Rate

$ /kWh

Solar Irradiance

4.54 kWh/m²/day

Based on NREL data for Baltimore, MD

ROI Score 2.2x

Annual Production 7,954 kWh

Annual Savings $1,257

Payback Period 11.5 years

25-Year Savings $31,425

After 30% ITC $10,080

Solar Data for 21215 – Baltimore, MD

Solar Irradiance 4.54 kWh/m²/day -8.5% vs national avg

vs Maryland Avg -0.4% State avg: 4.91 kWh/m²/day

Electricity Rate $0.158/kWh Maryland average rate

Annual Production 7,954 kWh 6kW system estimate

Baltimore's 4.54 kWh/m²/day is 8.5% below the national average. At $0.158/kWh, the 11.5-year payback is moderate. Tax credits and incentives can shorten it meaningfully.

Solar Incentives for Baltimore, Maryland

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Federal Investment Tax Credit (ITC)

Claim 30% of your system cost as a federal tax credit. On a $14,400 system, that's $4,320 back.

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Net Metering

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

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Maryland State Programs

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

21215 vs Maryland Average

Solar Irradiance

21215: 4.54 MD avg: 4.91

Payback Period

21215: 11.5 yrs MD avg: 10.9 yrs

Annual Savings

21215: $1,257 MD avg: $1,317

25-Year Savings

21215: $31,425 MD avg: $32,925

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

Nearby Zip Codes — Solar Comparison

21223 Baltimore, MD 2.2x ROI 11.5 yr payback 21201 Baltimore, MD 2.2x ROI 11.5 yr payback 21206 Baltimore, MD 2.2x ROI 11.5 yr payback 20705 Beltsville, MD 2.2x ROI 11.4 yr payback 20906 Silver Spring, MD 2.2x ROI 11.4 yr payback