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CASE STUDY

Desert Sands Unified School District, CA

Overview

Imperial Irrigation District, one of the public utility companies serving the Imperial and Coachella valley areas in the south-eastern part of California, requested the service of Lincus engineers to provide a preliminary energy engineering audit of nearly 25 school buildings. These buildings owned and maintained by the Desert Sands Unified School District (DSUSD) consists of about (14) Elementary, (6) Middle, and (5) High School buildings that exceed a total of ~2.4 million square feet with an estimated annual electric cost of approximately $2.975 million.

Lincus engineers performed the following tasks towards the completion of this project:

  • Performed a preliminary energy engineering audit that included an inventory of all major energy consuming items (HVAC, lighting, miscellaneous electrical loads).
  • Developed energy savings calculations for various measures targeted at major electric end uses using customized spreadsheet tools and bin analysis (wherever applicable). Building types included elementary, middle, high school rooms, administration, large swimming pool complexes, gymnasiums, etc.
  • Developed energy efficiency measures for each building including HVAC, interior/exterior lighting, ventilation, refrigeration, pumps, miscellaneous electrical loads and renewable energy generation.
  • Lincus’ recommendations included 4,676,457 kWh and 2,556.3 kW of utility savings opportunities which in turn translated to about $607,939 in annual energy cost savings.

Estimated total worth of proposed energy projects were about $4,633,597 which in turn translated to about 7.1 years of time in average payback period including utility incentives of about $336,237 from IID.

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