Via RenewableEnergyAccess.com:- "In response to increasing global demand for renewable energy, Johnson Controls, Inc. [based in Milwaukee WI, USA] is expanding its business direction in the areas of designing, installing and servicing geothermal, solar, biomass, wind and other renewable sources as energy supply options for customers. Johnson Controls has already implemented several renewable projects for its customers, including the Utah Department of Corrections (geothermal); Erie Community Unit School District (wind turbines); Denver Federal Center (solar); Indiana Department of Corrections (biomass boilers); and the Back River Wastewater Treatment Plant (digester gas cogeneration plant)". As you can see by the photo, visitors are interested in Johnson Control's Lithium Battery offerings as well. Image credit:- Johnson Controls.