Town Terrace West Condominium

How does Town Terrace West Condominium 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. Town Terrace West Condominium's ENERGY STAR score of 36 compares with an average of 72 across the 1,618 that report a score; it scores higher than 10% of them and lower than 89%. Its site EUI of 121.2 kBtu/ft² is about 137% 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 8.4 kgCO₂e/ft² is about 121% above the group average of 3.8 kgCO₂e/ft².

At 57,887 sq ft, it is about 58% below the average floor area of 136,346 sq ft for those buildings. Its 1964 construction date is close to 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 Town Terrace West Condominium's energy performance changed over time?

BuildingCensus holds 6 Washington, DC disclosures for Town Terrace West Condominium, covering report years 2013–2018. Its ENERGY STAR score went from 1 in 2013 to 36 in 2018 (+35 points). Site EUI moved from 172.3 kBtu/ft² (2013) to 121.2 kBtu/ft² (2018), a 30% decrease. Reported emissions went from 985 tCO₂e to 488 tCO₂e over the same span (down 50%).

What does an ENERGY STAR score of 36 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 36 means the building performs better than about 36% of its national peers. BuildingCensus bands the score into report-card grades; 36 falls in band D — lowest band (1–54). It sits 39 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. Town Terrace West Condominium's 121.2 kBtu/ft² across 57,887 sq ft works out to about 7 billion Btu (2,056 MWh-equivalent) in 2018. Its source EUI of 199.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 702,843 kWh of electricity, 46,202 therms of natural gas and 5,124 thousand gallons of water for the year.

Which law requires Town Terrace West Condominium to report its energy use?

Town Terrace West Condominium 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 2018 disclosure (source record dc:PM4372467:2018). 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.