, the average cost for a 5 kW solar panel system is around $15,038. comes down to $10,527—a savings of $4,511. When you file your taxes, you can claim this incentive as a. . In Washington D. However, the federal solar tax credit will no longer be available for systems installed after December 31, 2025, so you have to go solar this year to claim it. Here's. . The Solar Energy System and Cogeneration System Personal Property Tax Credit provides D. That means when you install solar panels on your home, the added value from your solar system. . Additionally, the Clean Energy DC (CEDC) Omnibus Act of 2018, raised the percentage of solar energy carve out in the District from 5% to 10% by 2041. Conventional forms of energy emit carbon dioxide and other pollutants into the environment, while solar energy is emissions free. Rooftop solar. . In December 2022, Solar United Neighbors helped pass the Local Solar Expansion Amendment Act, which increased the local solar carve-out to 15% by 2041! You can find the most up-to-date SREC market prices and Alternative Compliance Payment (ACP) levels through 2041 at SRECTrade. You may also qualify for an exemption on sales tax at the time of purchase.