Going Solar in Washington D.C.: A Complete Guide for 2026
Washington D.C., the Nation's Capital, offers America's most generous solar incentives with 4.5 peak sun hours daily and electricity rates of $0.14/kWh. The District's $15,000 solar tax credit combined with the 30% Federal ITC creates unparalleled solar economics. From Capitol Hill row homes to Georgetown townhouses to neighborhoods across all four quadrants, D.C. residents are going solar in record numbers.
Washington D.C.'s $15,000 Solar Tax Credit
The District of Columbia offers the nation's highest local solar tax credit at $15,000 for residential installations. This is in addition to the 30% Federal ITC. Combined, these incentives can cover 60-70% of total installation costs—making D.C. solar incredibly affordable despite the capital's high cost of living. The tax credit has no cap based on system size, providing maximum value.
Financial Benefits of Solar in D.C.
The 30% Federal ITC plus D.C.'s $15,000 credit dramatically reduce costs. Net metering through Pepco ensures fair compensation for excess solar. Property tax exemption prevents increased taxes. Sales tax exemption provides additional savings. D.C.'s competitive installer market keeps pricing reasonable despite the urban environment.
🏛️ Washington D.C. Solar Savings
- • Monthly Savings: $120
- • Annual Savings: $1,440
- • 25-Year Savings: $30,600
- • DC Tax Credit: $15,000
- • Federal Credit: 30%
Solar for D.C. Row Homes
Washington D.C.'s iconic row homes can successfully host solar despite smaller roofs. South-facing roofs are ideal, but east/west orientations also work well. Many row homes in neighborhoods like Capitol Hill, Shaw, Columbia Heights, and Petworth have installed solar. Historic districts may have additional requirements—check with the Historic Preservation Review Board. Community solar is available for those without suitable roofs.
Neighborhoods Going Solar
Solar adoption is growing across all D.C. quadrants. Northwest neighborhoods like Georgetown, Tenleytown, and Chevy Chase lead in installations. Northeast areas including Brookland and Woodridge are growing markets. Southeast and Southwest are seeing increased adoption with strong community support.