Solar Panels in Kennedy Street, DC: Cost, Payback & Savings

A typical 5.6 kW home solar system in Kennedy Street costs about $20,160 and pays for itself in about 9.6 years, saving roughly $41,225 over 25 years at District of Columbia's average electricity price of 24.7¢/kWh.

Strong investmentpayback 9.6 years
System size
5.6 kW
14 × 400 W panels
Upfront cost
$20,160
at US median $3.60/W
First-year savings
$1,920
about $160/month
25-year net savings
$41,225
after paying for the system
Production
7,784 kWh/yr
102% of a typical home's use
Peak sun hours
4.9/day
1,390 kWh per kW per year

Monthly solar production in Kennedy Street

Estimated output of a 5.6 kW south-facing roof system. May is the strongest month (844 kWh); Dec the weakest (432 kWh).

02004006008001,000Jan: 503 kWhJanFeb: 489 kWhFebMar: 717 kWhMarApr: 760 kWhAprMay: 844 kWhMayJun: 795 kWhJunJul: 767 kWhJulAug: 743 kWhAugSep: 660 kWhSepOct: 596 kWhOctNov: 477 kWhNovDec: 432 kWhDec

Solar production (kWh) Typical home use, 639 kWh/month

Solar payback calculator for Kennedy Street

Pre-filled with Kennedy Street's sunshine and District of Columbia's average electricity price. Enter your own bill and an installer's price per watt to see your payback.

Leave export credit blank where the utility offers full net metering. Where exports earn less, solar used at home as it's produced is worth the full price and the rest earns the export credit.

System
Cost
Year-1 savings
Payback
25-yr net savings

How Kennedy Street compares

Net metering, tax credits and incentives in 2026

District of Columbia offers net metering: power you send to the grid is credited at or near the retail price, so every solar kWh is valued at 24.7¢ here.

There is no federal tax credit for buying home solar installed in 2026. The 30% Residential Clean Energy Credit (Section 25D) ended for systems placed in service after December 31, 2025, so the costs and paybacks on this page include no federal credit.

District of Columbia and local utilities may still offer rebates, performance payments, property-tax or sales-tax exemptions. Search the DSIRE incentives database for District of Columbia and ask installers which programs they apply for you.

Frequently asked questions

Is solar worth it in Kennedy Street, DC?

For a typical home, a solar system pays for itself in about 9.6 years and then keeps saving money. Over 25 years the estimated net savings are $41,225. Verdict: strong investment. Your own payback depends on your roof, your bill and the quotes you get.

How many solar panels do I need in Kennedy Street, DC?

A home using 639 kWh a month (the District of Columbia average) needs about 14 panels of 400 W — a 5.6 kW system — to cover its annual use. Divide your own yearly kWh by 1,390 to get the kW you need.

How much do solar panels cost in Kennedy Street, DC?

At 3.60 dollars per watt, a 5.6 kW system costs about $20,160 before any state or utility incentives. There is no federal tax credit for systems installed in 2026.

How much sun does Kennedy Street get?

Kennedy Street averages 4.9 peak sun hours per day, so each kilowatt of panels produces about 1,390 kWh a year.

Does District of Columbia have net metering?

Yes. Power sent back to the grid is credited at or near the retail price (24.7¢ per kWh on average).

How much does electricity cost in District of Columbia?

Residential electricity in District of Columbia averages 24.7¢ per kWh, and a typical home uses 639 kWh a month (EIA).

Solar payback in nearby places

Solar guides