Jefferson House Condominiums: 922 24th Street NW

How does Jefferson House Condominiums: 922 24th Street NW compare with other multifamily housing buildings in Washington, DC?

The latest disclosures cover 1,799 multifamily housing buildings in Washington, DC, out of 6,870 buildings citywide. Jefferson House Condominiums: 922 24th Street NW's ENERGY STAR score of 54 compares with an average of 72 across the 1,618 that report a score; it scores higher than 21% of them and lower than 78%. Its site EUI of 84.7 kBtu/ft² is about 66% above the average of 51.1 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 6.6 kgCO₂e/ft² is about 74% above the group average of 3.8 kgCO₂e/ft².

At 87,115 sq ft, it is about 36% below the average floor area of 136,346 sq ft for those buildings. It was built in 1962, 3 years earlier than the group's average year built (1965). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

What does an ENERGY STAR score of 54 mean?

ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 54 means the building performs better than about 54% of its national peers. BuildingCensus bands the score into report-card grades; 54 falls in band D — lowest band (1–54). It sits 21 points below 75, the threshold for ENERGY STAR certification. In Washington, DC, 47% of scored buildings are at 75 or above.

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Jefferson House Condominiums: 922 24th Street NW's 84.7 kBtu/ft² across 87,115 sq ft works out to about 7.4 billion Btu (2,162 MWh-equivalent) in 2017. Its source EUI of 165.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 932,021 kWh of electricity, 41,967 therms of natural gas and 4,949 thousand gallons of water for the year.

Which law requires Jefferson House Condominiums: 922 24th Street NW to report its energy use?

Jefferson House Condominiums: 922 24th Street NW reports under the Clean and Affordable Energy Act / BEPS, the legal basis of Washington, DC's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2017 disclosure (source record dc:PM6276858:2017). DC's Building Energy Performance Standards (BEPS) require buildings below the performance standard to improve over compliance cycles (the first ends December 31, 2026; later cycles run five years), with penalties for buildings that fail to meet their pathway.