District of Columbia · Tax exemption · Deep-stack program

DC Solar Property Tax Exemption

Removes a tax burden residential solar owners in District of Columbia would otherwise carry -- see what it covers, eligibility, and payback impact below.

Property tax exemption
stated benefit
Residential
eligible customers
13 yr
District of Columbia baseline payback
4
other District of Columbia programs
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Deep-stack program · late directory

District of Columbia runs a 5-program DSIRE stack; this tax exemption is one layer on a 13-year modeled baseline, not the whole story.

  • Stack5 programs
  • In-state #3/4
  • Type #8/45
  • Baseline13 yr

In-state directory place #3 of 4 (late alphabet). National tax exemption directory #8 of 45. Amounts and eligibility change; verify with the official program page before relying on a dollar figure. Informational only - not financial advice. See our disclaimer.

Program description

DC exempts solar energy systems from real property tax assessment.

Program at a glance

Program type
Tax exemption
Eligible customers
Residential
Stated benefit
Property tax exemption
State electricity rate
19.5¢/kWh
District of Columbia solar score
32/100

Solar's trajectory in District of Columbia

The market this incentive operates in: total installed solar capacity in District of Columbia reported to the EIA.

5 MW10 MW15 MW20 MW25 MW30 MW35 MW 201920202021202220232024 29 MW
District of Columbia now has about 29 MW of installed solar, the backdrop programs like this one are built on.

Source: U.S. Energy Information Administration, installed solar nameplate capacity As of 2024

District of Columbia's solar incentive stack

How this tax exemption sits among District of Columbia's 4 tracked programs, by type

programs

What this shows District of Columbia tracks 4 incentive types; 1 are tax exemptions like this one, removing a cost solar owners would otherwise carry, on top of the state's other program types.

Source DSIRE incentives registry As of 2024

How this tax exemption layers inside District of Columbia's deep stack

The DC Solar Property Tax Exemption removes a tax burden solar owners would otherwise carry, one of District of Columbia's DSIRE-tracked solar incentive programs. Eligibility is scoped to residential customers, with a stated benefit of Property tax exemption. DSIRE lists no scheduled sunset, though enabling legislation and appropriations can still be revised year to year.

That baseline is slower than most states, which raises the stakes for every incentive on the table. District of Columbia averages 4.4 kWh/m²/day of usable sunlight and residential rates of 19.5¢/kWh, producing an estimated 7,709 kWh/year and $1,503 of annual utility offset on a typical 6 kW system costing $19,500. That baseline already implies a 13-year simple payback and a 25-year modeled net of roughly $18,075 before this incentive - every dollar this tax exemption delivers compresses that payback further.

District of Columbia bundles a deep incentive stack, so this program rarely stands alone. District of Columbia has 5 solar incentive programs indexed in DSIRE, including adjacent options like DC Net Metering, DC Solar for All Program, DC Solar Renewable Energy Credits (SRECs). The state's net-metering policy is classified as full, which governs how excess generation is credited and often decides whether a given program is worth claiming for a specific household.

Frequently asked questions

Where does the DC Solar Property Tax Exemption sit in District of Columbia's deep program stack?
The DC Solar Property Tax Exemption is a tax exemption available to residential solar customers in District of Columbia. The stated benefit is Property tax exemption.
How does this tax exemption work beside District of Columbia's other programs?
DC exempts solar energy systems from real property tax assessment.
Who qualifies, and what does a late in-state directory place mean?
The program is available to residential customers in District of Columbia. Check the official program page for current eligibility requirements and deadlines. In-state directory place #3 of 4 (late alphabet).
How does this incentive affect solar ROI in District of Columbia?
District of Columbia has an estimated 13-year payback for a 6 kW system before incentives, with about $1,503/year in modeled savings. A tax exemption like this lowers upfront cost or raises annual return, shortening that payback. Run the calculator for a figure based on your own bill.
Which other District of Columbia programs stack with this one?
District of Columbia has 5 solar incentive programs tracked in DSIRE, including DC Net Metering, DC Solar for All Program, DC Solar Renewable Energy Credits (SRECs). State programs are designed to stack on top of any available federal solar tax credit rather than replace it.

Incentive data from the DSIRE (Database of State Incentives for Renewables & Efficiency); state solar economics from NREL and the U.S. EIA. See our methodology · District of Columbia solar data · ROI calculator · All incentives.