Greenwood Park Apartments

How does Greenwood Park Apartments 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. Greenwood Park Apartments's ENERGY STAR score of 22 compares with an average of 62 across the 1,472 that report a score; it scores higher than 11% of them and lower than 89%. Its site EUI of 117.7 kBtu/ft² is about 63% 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 8.1 kgCO₂e/ft² is about 40% above the group average of 5.8 kgCO₂e/ft².

At 95,691 sq ft, it is about half of the average floor area of 206,097 sq ft for those buildings. Its 1973 construction date is close to 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.

What does an ENERGY STAR score of 22 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 22 means the building performs better than about 22% of its national peers. BuildingCensus bands the score into report-card grades; 22 falls in band D — lowest band (1–54). It sits 53 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. Greenwood Park Apartments's 117.7 kBtu/ft² across 95,691 sq ft works out to about 11.3 billion Btu (3,301 MWh-equivalent) in 2023. Its source EUI of 159.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 581,910 kWh of electricity, 92,789 therms of natural gas and 4,327 thousand gallons of water for the year.

Which law requires Greenwood Park Apartments to report its energy use?

Greenwood Park Apartments 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:257183:2023). Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.