Wisconsin Public Power, Inc.


Sustainable Engineering Group provided full commissioning services for WPPI’s newly renovated headquarters building in Sun Prairie, WI from design phase through first year of operation. The WPPI office building has achieved LEED Gold certification. In addition, Sustainable Engineering Group provided Measurement and Verification and ENERGY STAR® certification services for the building to ensure continuing energy efficiency. The goal for this project was to expand the building without significantly increasing the utility bill. The pre-expansion utility bill was $35,000 or $1.24/SF) and after the expansion and renovation the building’s utility bill was $43,000 or $0.88/SF. The building was ENERGY STAR certified at 31 kBtu/SF/yr with an EPA Score of 100/100 (Top 1%).


Client: Wisconsin Public Power, Inc.
Location: Sun Prairie, WI
Square Footage: 43,000
Year Built: 2009
Status: LEED NC 2.2 GOLD, Energy Star Certified