8455 Colesville Rd - Argent Spring

How does 8455 Colesville Rd - Argent Spring compare with other office buildings in Montgomery County?

The latest disclosures cover 414 office buildings in Montgomery County, out of 1,766 buildings citywide. 8455 Colesville Rd - Argent Spring's ENERGY STAR score of 58 compares with an average of 63 across the 325 that report a score; it scores higher than 34% of them and lower than 65%. Its site EUI of 43.9 kBtu/ft² is about 34% below the average of 66.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 227,248 sq ft, it is about 72% above the average floor area of 132,356 sq ft for those buildings. Its 1987 construction date is close to the group's average year built (1987). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².

How has 8455 Colesville Rd - Argent Spring's energy performance changed over time?

BuildingCensus holds 2 Montgomery County disclosures for 8455 Colesville Rd - Argent Spring, covering report years 2023–2024. Its ENERGY STAR score went from 77 in 2023 to 58 in 2024 (-19 points); its best year on file was 2023, at 77. Site EUI moved from 44.3 kBtu/ft² (2023) to 43.9 kBtu/ft² (2024), a 1% decrease. Reported emissions went from 1,873 tCO₂e to 876 tCO₂e over the same span (down 53%).

What does an ENERGY STAR score of 58 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 58 means the building performs better than about 58% of its national peers. BuildingCensus bands the score into report-card grades; 58 falls in band C — below median (55–69). It sits 17 points below 75, the threshold for ENERGY STAR certification. In Montgomery County, 53% 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. 8455 Colesville Rd - Argent Spring's 43.9 kBtu/ft² across 227,248 sq ft works out to about 10 billion Btu (2,924 MWh-equivalent) in 2024. Its source EUI of 122.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,923,959 kWh of electricity and 0 therms of natural gas for the year.

Which law requires 8455 Colesville Rd - Argent Spring to report its energy use?

8455 Colesville Rd - Argent Spring reports under the Benchmarking Law (Bill 2-14) / BEPS (Bill 16-21), the legal basis of Montgomery County's Commercial 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 montgomery_county:58038592:2024). Montgomery County's BEPS (Bill 16-21; regulations approved in 2025) sets declining site-EUI standards for buildings of 25,000+ sq ft, with interim and then final standards later this decade and into the 2030s depending on building type.