☀️ District of Columbia · 2025 data

Is solar worth it in District of Columbia?

At District of Columbia’s average rate of 16.5¢/kWh and about 1300 kWh per kW of panels a year, a typical home pays back its system in roughly 9.0 yrs after the 30% federal credit — then keeps saving. Run your own numbers below.

$ / mo
$ / watt
$
to pay back your system
System size
Net cost after 30%
Year-1 savings
25-yr net savings

Independent estimate for guidance only — not a quote or advice. Among the most valuable SREC markets in the country, which can sharply cut payback.

What drives solar payback in District of Columbia

District of Columbia homeowners pay about 16.5¢/kWh, which is 0.3¢ below the national average. A rooftop here generates roughly 1300 kWh per kW each year — below the typical US figure. On exports, District of Columbia offers full retail net metering: Among the most valuable SREC markets in the country, which can sharply cut payback.

A worked example

For a District of Columbia home with a $160/month power bill:

9.0 kW
System size needed
$18,797
Net cost after 30% credit
$1,920
First-year savings
$42,603
25-year net savings

Assumes 3.00 $/W installed before incentives. Your actual cost, roof and usage will differ — adjust the calculator above.

District of Columbia solar incentives

Every estimate here already includes the 30% federal Residential Clean Energy Credit. On top of that, District of Columbia homeowners may qualify for state, utility or SREC incentives that change often and vary by provider. For the current, authoritative list, check DSIRE’s District of Columbia programs, then type any rebate into the calculator to see how it shortens your payback.

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