Solar Resources for DC and Maryland Homeowners
Plain-language guides on how residential solar actually works in Washington, DC and Maryland: contract structures, permits, interconnection, roof considerations, and incentive programs. Each guide cites primary sources and notes where rules can change.
Guides
Solar PPA vs. Ownership in DC and Maryland
How buying outright, financing with a loan, and signing a lease or PPA differ: equipment ownership, maintenance responsibility, bill structure, incentives and SRECs, and what to check before signing.
Read the guideDC Solar Permits and Pepco Interconnection
What the DC Department of Buildings reviews, how the instant-permit process works for qualifying systems up to 15 kW, and why a building permit alone is not permission to operate.
Read the guideSolar on DC Rowhouses and Flat Roofs
Roof condition, shading, usable area, setbacks, structural review, mounting and water management, electrical routing, and historic-district questions to work through before a proposal.
Read the guideMaryland Solar Incentives
The Maryland Solar Access Program, SRECs and how ownership structure affects them, the federal residential credit sunset after 2025, and county and utility differences worth verifying.
Read the guideHow these guides are maintained
Guides are written by the Next Gen Solar editorial team, dated, and reviewed against the primary sources linked at the bottom of each page. Solar programs, agency procedures, and utility requirements change over time, so always verify current eligibility and rules with the linked official sources before making decisions. For questions about your specific home, see our DC solar and Maryland solar pages, or contact us.