☀️ Delaware · 2025 data

Is solar worth it in Delaware?

At Delaware’s average rate of 15.5¢/kWh and about 1300 kWh per kW of panels a year, a typical home pays back its system in roughly 9.6 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. Retail net metering plus SREC income on some utilities.

What drives solar payback in Delaware

Delaware homeowners pay about 15.5¢/kWh, which is 1.3¢ below the national average. A rooftop here generates roughly 1300 kWh per kW each year — below the typical US figure. On exports, Delaware offers full retail net metering: Retail net metering plus SREC income on some utilities.

A worked example

For a Delaware home with a $160/month power bill:

9.5 kW
System size needed
$20,010
Net cost after 30% credit
$1,920
First-year savings
$41,390
25-year net savings

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

Delaware solar incentives

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

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