3755 at Oakwood Shores (Oakwood Shores 2C)

How does 3755 at Oakwood Shores (Oakwood Shores 2C) compare with other multifamily housing buildings in Chicago?

The latest disclosures cover 1,515 multifamily housing buildings in Chicago, out of 3,852 buildings citywide. 3755 at Oakwood Shores (Oakwood Shores 2C)'s ENERGY STAR score of 15 compares with an average of 62 across the 1,472 that report a score; it scores higher than 7% of them and lower than 92%. Its site EUI of 104.2 kBtu/ft² is about 45% above the average of 72.0 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 9.7 kgCO₂e/ft² is about 67% above the group average of 5.8 kgCO₂e/ft².

At 73,000 sq ft, it is about 65% below the average floor area of 206,097 sq ft for those buildings. It was built in 2013, 42 years later than the group's average year built (1971). 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 3755 at Oakwood Shores (Oakwood Shores 2C)'s energy performance changed over time?

BuildingCensus holds 6 Chicago disclosures for 3755 at Oakwood Shores (Oakwood Shores 2C), covering report years 2018–2023. Its ENERGY STAR score went from 56 in 2018 to 15 in 2023 (-41 points); its best year on file was 2018, at 56. Site EUI moved from 88.5 kBtu/ft² (2018) to 104.2 kBtu/ft² (2023), an 18% increase. Reported emissions went from 655 tCO₂e to 709 tCO₂e over the same span (up 8%).

What does an ENERGY STAR score of 15 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 15 means the building performs better than about 15% of its national peers. BuildingCensus bands the score into report-card grades; 15 falls in band D — lowest band (1–54). It sits 60 points below 75, the threshold for ENERGY STAR certification. In Chicago, 35% 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. 3755 at Oakwood Shores (Oakwood Shores 2C)'s 104.2 kBtu/ft² across 73,000 sq ft works out to about 7.6 billion Btu (2,229 MWh-equivalent) in 2023. Its source EUI of 193.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,030,713 kWh of electricity, 40,894 therms of natural gas and 3,592 thousand gallons of water for the year.

Which law requires 3755 at Oakwood Shores (Oakwood Shores 2C) to report its energy use?

3755 at Oakwood Shores (Oakwood Shores 2C) reports under the Building Energy Use Benchmarking Ordinance, the legal basis of the Chicago Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record chicago:254573:2023). Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.