Dahlgreen Courts: 2520 10th Street

How does Dahlgreen Courts: 2520 10th Street 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. Dahlgreen Courts: 2520 10th Street's ENERGY STAR score of 63 compares with an average of 72 across the 1,618 that report a score; it scores higher than 30% of them and lower than 69%. Its site EUI of 33.3 kBtu/ft² is about 35% 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 2.9 kgCO₂e/ft² is about 23% below the group average of 3.8 kgCO₂e/ft².

At 35,947 sq ft, it is about 74% below the average floor area of 136,346 sq ft for those buildings. It was built in 1929, 36 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.

How has Dahlgreen Courts: 2520 10th Street's energy performance changed over time?

BuildingCensus holds 3 Washington, DC disclosures for Dahlgreen Courts: 2520 10th Street, covering report years 2022–2024. Its ENERGY STAR score went from 54 in 2023 to 63 in 2024 (+9 points). Site EUI moved from 33.5 kBtu/ft² (2023) to 33.3 kBtu/ft² (2024), a 1% decrease. Reported emissions went from 106 tCO₂e to 105 tCO₂e over the same span (down 1%).

What does an ENERGY STAR score of 63 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 63 means the building performs better than about 63% of its national peers. BuildingCensus bands the score into report-card grades; 63 falls in band C — below median (55–69). It sits 12 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. Dahlgreen Courts: 2520 10th Street's 33.3 kBtu/ft² across 35,947 sq ft works out to about 1.2 billion Btu (351 MWh-equivalent) in 2024. Its source EUI of 93.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 350,459 kWh of electricity, 0 therms of natural gas and 4,496 thousand gallons of water for the year.

Which law requires Dahlgreen Courts: 2520 10th Street to report its energy use?

Dahlgreen Courts: 2520 10th Street 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:PM15100817:2024). 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.