600-The Residences at Thomas Circle

How does 600-The Residences at Thomas Circle compare with other senior living community buildings in Washington, DC?

The latest disclosures cover 17 senior living community buildings in Washington, DC, out of 6,870 buildings citywide. 600-The Residences at Thomas Circle's ENERGY STAR score of 50 compares with an average of 65 across the 15 that report a score; it scores higher than 20% of them and lower than 73%. Its site EUI of 94.0 kBtu/ft² is roughly in line with the average of 91.8 kBtu/ft². Its emissions intensity of 6.5 kgCO₂e/ft² is roughly in line with the group average of 6.5 kgCO₂e/ft².

At 144,531 sq ft, it is about 30% above the average floor area of 111,527 sq ft for those buildings. Its 1963 construction date is close to the group's average year built (1963). Across all 24 jurisdictions BuildingCensus covers, the 1,181 senior living community buildings average an ENERGY STAR score of 71 and a site EUI of 73.6 kBtu/ft².

How has 600-The Residences at Thomas Circle's energy performance changed over time?

BuildingCensus holds 7 Washington, DC disclosures for 600-The Residences at Thomas Circle, covering report years 2018–2024. Its ENERGY STAR score went from 39 in 2018 to 50 in 2024 (+11 points); its best year on file was 2022, at 60. Site EUI moved from 114.6 kBtu/ft² (2018) to 94.0 kBtu/ft² (2024), a 18% decrease. Reported emissions went from 1,234 tCO₂e to 940 tCO₂e over the same span (down 24%).

What does an ENERGY STAR score of 50 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 50 means the building performs better than about 50% of its national peers. BuildingCensus bands the score into report-card grades; 50 falls in band D — lowest band (1–54). It sits 25 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. 600-The Residences at Thomas Circle's 94.0 kBtu/ft² across 144,531 sq ft works out to about 13.6 billion Btu (3,982 MWh-equivalent) in 2024. Its source EUI of 174.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,843,352 kWh of electricity, 72,964 therms of natural gas and 8,769 thousand gallons of water for the year.

Which law requires 600-The Residences at Thomas Circle to report its energy use?

600-The Residences at Thomas Circle 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:PM9846547:2024). 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.