Solar Quotes in Washington, DC
If Pepco is your utility
- Pepco's DC Net Energy Metering Rider ("NEM", tariff effective February 1, 2026) credits excess generation in kWh on your next monthly bill. At the end of the calendar year, excess generation above 100% of annual consumption is compensated at the generation rate only, and a year-end credit over $25 is refunded to the customer. Source: https://www.pepco.com/cdn/assets/v3/assets/bltbb7c204688a1a6a8/blt1592c0ff5185f738/69839b400b2c5e790e410a8d/Pepco_DC_RAD_Compliant_Filing_Eff_02.01.2026.pdf?branch=prod_alias (accessed 2026-10-20)
- Net energy billing applies only to kWh usage charges; you still pay customer charges and other fixed or demand charges for your rate class. A year-end credit of $25 or less carries over until it's used up. Source: https://www.pepco.com/cdn/assets/v3/assets/bltbb7c204688a1a6a8/blt1592c0ff5185f738/69839b400b2c5e790e410a8d/Pepco_DC_RAD_Compliant_Filing_Eff_02.01.2026.pdf?branch=prod_alias (accessed 2026-10-20)
- Under the DC Public Service Commission's Net Energy Metering Rules (15 DCMR §901.2), a net-metered customer filing a new or amended interconnection application may size generation above 100% of its historical 12-month usage, up to an allowable threshold that reached 200% in 2024. Source: https://dcpsc.org/getattachment/Orders-and-Regulations/Orders-Rules-and-Regulations/District-of-Columbia-Municipal-Regulations-Title-1/15-9-Compiled-(Updated-4-7-25-)-(1).pdf.aspx?lang=en-US (accessed 2026-10-20)
A note on the federal tax credit
The federal residential clean energy credit (25D) doesn't apply to expenditures made after December 31, 2025. The IRS treats an expenditure as made when installation is completed. Source: https://www.irs.gov/newsroom/faqs-for-modification-of-sections-25c-25d-25e-30c-30d-45l-45w-and-179d-under-public-law-119-21-139-stat-72-july-4-2025-commonly-known-as-the-one-big-beautiful-bill-obbb (accessed 2026-10-20). This page isn't tax advice.
Questions to ask
- Which Pepco tariff or rider does your estimate assume, and at what export credit?
- How much of my production does your estimate assume I'll use on site versus export?
- What happens to my credits if I move or close my account?
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