Any new construction of buildings owned by Washington D.C. should be all-electric, adhere to Net Zero Energy standards, and utilize renewable energy technology when feasible. Washington D.C. This also applies to substantial building improvement projects that are owned by or receive District direct or indirect financing for 15% or more. Affordable housing projects that received financial commitments from the District before March 31, 2024 will be exempt. While this regulation is currently voluntary, it will become mandatory by January 1, 2027.