Yuma County, AZ

Yuma County, AZ

Situation

County of Yuma requested the service of Lincus Inc. and its engineers for a detailed Investment Grade Audit (IGA) of its (17) county and (6) library buildings within its county premises. These buildings owned and maintained by the Yuma County spanned across a total square footage of over 1 million square feet with an estimated annual electric cost of approximately $1.5 million.

Solution

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

• Performed a detailed energy audit that included a complete inventory of all energy consuming items.
• Developed detailed energy simulation models for all the buildings and reconciled these models
  with the actual annual energy (kWh) and peak demand (kW) consumptions of the building within
  +/- 10% tolerance levels. Building types included large offices, libraries, data centers, courthouses,
  detention centers, and parking structures.
• Developed energy efficiency measures for each building including HVAC, interior/exterior lighting,
  ventilation, refrigeration, heat rejection, pumps, boilers and other miscellaneous electrical loads.
• Lincus’ recommendations included 3,600,000 kWh of savings opportunities which in turn translated
  to about $0.35 million in annual energy cost savings.
• Estimated total worth of proposed energy projects were about $2,300,000 which in turn translated to
  about five years of time in average payback period including utility incentives from APS.