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Will County

Will County, IL

Energy Performance


20% Reduction in Energy Intensity by 2020 from a 2009 Baseline


514 Thousand Square Feet


Cumulative (vs. Baseline) 13%
Annual (2012) 2%

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Portfolio Energy Performance

Better Buildings Challenge Partners strive to decrease portfolio-wide source energy use intensity (EUI) and to increase the percent improvement compared to a set baseline. Will County's Challenge commitment consists of more than 20 buildings and 500,000 square feet. Since 2009, Will County has improved energy performance by 13 percent. Will County achieved these improvements by implementing a series of energy efficient retrofits. The county replaced T-12 fluorescent bulbs with LED lighting, replaced windows and doors, installed an efficient elevator motor and car in the court annex, installed a green roof on the County Office Building, and installed multiple cool roofs on the court annex and nursing home.

Energy Performance by Facility

Looking at the percent improvement in energy performance across all facilities can provide insight into how an organization is saving energy. Will County has achieved energy performance improvement of greater than 10% at one third of its facilities. This was achieved through energy efficient improvements and changes in staff behavior. There are six facilities that have experienced an increase in Source EUI. These facilities have been targeted for future energy audits to identify necessary efficiency improvements needed to achieve long term EUI reductions.

Identifying Opportunities for Improvement

Facility-level energy performance metrics, including EUI and percent improvement to date, are critical to track progress over time and identify opportunities for additional energy savings. Will County's portfolio consists of facilities with with a wide range of baseline EUI values, from 40 to 800 kBtu/sq. ft. The majority of facilities have shown energy improvement since 2011 with seven over 10%. Will County, working with SEDAC (Smart Energy Design Assistance Center), is laying out a framework for the next series of energy improvement retrofits to five County properties in order to continue improving overall EUI reduction across the portfolio.