West End 25 Apartments

How does West End 25 Apartments 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. West End 25 Apartments's ENERGY STAR score of 74 compares with an average of 72 across the 1,618 that report a score; it scores higher than 42% of them and lower than 56%. Its site EUI of 44.5 kBtu/ft² is about 13% below the average of 51.1 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 3.5 kgCO₂e/ft² is roughly in line with the group average of 3.8 kgCO₂e/ft².

At 326,664 sq ft, it is about 140% above the average floor area of 136,346 sq ft for those buildings. It was built in 2009, 44 years later 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.

How has West End 25 Apartments's energy performance changed over time?

BuildingCensus holds 13 Washington, DC disclosures for West End 25 Apartments, covering report years 2012–2024. Its ENERGY STAR score went from 48 in 2014 to 74 in 2024 (+26 points); its best year on file was 2020, at 84. Site EUI moved from 22.6 kBtu/ft² (2012) to 44.5 kBtu/ft² (2024), an 97% increase. Reported emissions went from 326 tCO₂e to 1,128 tCO₂e over the same span (up 246%).

What does an ENERGY STAR score of 74 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 74 means the building performs better than about 74% of its national peers. BuildingCensus bands the score into report-card grades; 74 falls in band B — above median (70–84). It sits 1 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. West End 25 Apartments's 44.5 kBtu/ft² across 326,664 sq ft works out to about 14.5 billion Btu (4,260 MWh-equivalent) in 2024. Its source EUI of 101.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 3,004,250 kWh of electricity, 42,958 therms of natural gas and 11 thousand gallons of water for the year.

Which law requires West End 25 Apartments to report its energy use?

West End 25 Apartments 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 2024 disclosure (source record dc:PM2703000:2024). 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.