Alden Wentworth Rehabilitation & Health Care Center

How does Alden Wentworth Rehabilitation & Health Care Center compare with other senior living community buildings in Chicago?

The latest disclosures cover 58 senior living community buildings in Chicago, out of 3,852 buildings citywide. Alden Wentworth Rehabilitation & Health Care Center's ENERGY STAR score of 30 compares with an average of 47 across the 55 that report a score; it scores higher than 29% of them and lower than 69%. Its site EUI of 171.6 kBtu/ft² is about 66% above the average of 103.1 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 12.5 kgCO₂e/ft² is about 49% above the group average of 8.4 kgCO₂e/ft².

At 89,813 sq ft, it is about 28% below the average floor area of 123,934 sq ft for those buildings. It was built in 1976, 18 years earlier than the group's average year built (1994). 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 Alden Wentworth Rehabilitation & Health Care Center's energy performance changed over time?

BuildingCensus holds 8 Chicago disclosures for Alden Wentworth Rehabilitation & Health Care Center, covering report years 2016–2023. Its ENERGY STAR score went from 2 in 2016 to 30 in 2023 (+28 points); its best year on file was 2022, at 34. Site EUI moved from 213.8 kBtu/ft² (2016) to 171.6 kBtu/ft² (2023), a 20% decrease. Reported emissions went from 1,599 tCO₂e to 1,118 tCO₂e over the same span (down 30%).

What does an ENERGY STAR score of 30 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 30 means the building performs better than about 30% of its national peers. BuildingCensus bands the score into report-card grades; 30 falls in band D — lowest band (1–54). It sits 45 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. Alden Wentworth Rehabilitation & Health Care Center's 171.6 kBtu/ft² across 89,813 sq ft works out to about 15.4 billion Btu (4,517 MWh-equivalent) in 2023. Its source EUI of 247.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,012,479 kWh of electricity and 119,536 therms of natural gas for the year.

Which law requires Alden Wentworth Rehabilitation & Health Care Center to report its energy use?

Alden Wentworth Rehabilitation & Health Care Center 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:149001:2023). Covered buildings that fail to benchmark and report face fines of up to $100 plus $25 per day of violation under the ordinance.