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City of Gillette

City of Gillette, WY

Energy Performance


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


190 Thousand Square Feet


Cumulative (vs. Baseline) 3%

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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. Gillette's portfolio consists of 6 buildings and 1 wastewater treatment facility. The chart at the right includes the portfolio average EUI for buildings only. Since 2009, Gillette has improved energy performance by 4% in buildings. Overall facility energy performance showed improvement of 3%. This average is lower due to needed repairs to Gillette's wastewater treatment facility that improved safety and efficacy processing but caused an increase in energy use. Early energy savings have been achieved by implementing outdoor lighting retrofits across all facilities. The City has initiated an HVAC upgrade at City Hall to improve performance. In addition, an energy awareness campaign will be used in an effort to reduce plug-load.

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. Gillette has achieved energy performance improvement of greater than 5% at 2 of its facilities. There are 3 facilities that have experienced an increase in Source EUI. These facilities have been targeted for future energy efficiency improvements.

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. Gillette's portfolio consists of facilities using between 100 and 300 kBtu/sq. ft. in the baseline EUI values. Half of the facilities have shown energy improvement since 2009, with one building achieving greater than 30% improvement. The facilities located near or below the 0% axis may present good opportunities for further savings. Two buildings do not have a 2009 EUI, so they are not included in the chart.