DC energy benchmarking now reaches buildings over 10,000 square feet
DC energy benchmarking now reaches buildings over 10,000 square feet
2026-09-09 · District of Columbia · Compliance
A great many District of Columbia condominium and cooperative buildings became subject to mandatory energy benchmarking this year for the first time, and their first report was due on May 1, 2026. The threshold, phased down over more than a decade, now reaches privately owned buildings above 10,000 square feet.1
This is the sleeper compliance item in District energy law. The buildings it captures — between 10,000 and 25,000 square feet — are small self-managed condominiums, converted rowhouse buildings and modest mid-century walk-ups. They have never dealt with the Department of Energy and Environment, and many will not know they are now on the Covered Building List.
The phase-down, and where it landed
The Green Building Act's benchmarking obligation started at buildings above 50,000 square feet in 2013, dropped to above 25,000 square feet in 2021, and reached above 10,000 square feet with first reporting on calendar-year 2025 data due in 2026.
What compliance requires
Track and report. Energy and water use are tracked in ENERGY STAR Portfolio Manager and reported annually to DOEE.
The deadline is May 1, not April 1. This one catches experienced managers. The date moved from April 1 to May 1 by statute, in the amendments made by D.C. Law 25-307 to D.C. Code § 6-1451.03(c)(2). DOEE's own enforcement page has continued to show the old April 1 date; the statute is what governs. Those amendments, and the compliance-cycle changes that came with them, are covered in our report on the BEPS Amendment Act.
Third-party verification. The next verification deadline is May 1, 2027, on calendar-year 2026 data, and then every six years — a change from the prior three-year cycle.
Penalties. DOEE issues a Notice of Violation, the owner has 30 calendar days, and fines run up to $100 per day of non-compliance.
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