This case study details strategies and activities for energy savings across a hospital. The case study was extracted from the "Business Case for Energy Efficient Building Retrofit and Renovation" report. Gundersen Lutheran established its environmental program, called Envision. The Envision program aims to improve air quality and the health of its community as well as reduce the cost of healthcare to its patients by hedging against rising energy costs. Its goal is to offset 100% of the fossil fuel energy it consumes by 2014 through energy conservation and by creating clean, renewable energy.