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State of Delaware

State of Delaware

Energy Performance


20% Reduction in Energy Intensity by 2020 from a 2008 Baseline


8 Million Square Feet


Cumulative (vs. Baseline) 13%
Annual (2013) 4%

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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. Delaware's portfolio consists of more than 220 buildings and 8 million square feet. Since 2008, Delaware has improved energy performance by 13 percent. Energy savings have been achieved by implementing lighting and plumbing retrofits across many facilities, HVAC and BAS upgrades in several others, and an energy awareness program focused on no-cost opportunities to reduce excess consumption.

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. Delaware has achieved energy performance improvement of greater than 10% at more than 90 of its facilities. Those few facilities that have experienced an increase in Source EUI will be investigated to determine the cause and may be 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. Delaware's portfolio consists of facilities with a wide range of baseline EUI values, most of which are from 0 to 500 kBtu/sq. ft. The majority of facilities have shown energy improvement since 2008. The facilities located near or below the 0% axis may present good opportunities for further savings.