(Francisco Kjolseth | The Salt Lake Tribune) John Palo, facilities district manager at the University of Utah, left, gives a tour of Gardner Commons geothermal energy production on Wednesday, Feb. 8, 2023. U.S. Energy Secretary Jennifer Granholm, center right, was joined by Joe Moore, principal investigator of the Utah Frontier Observatory for Research in Geothermal Energy and Lt. Gov. Deidre Henderson as they toured the only building on campus that uses the earth exclusively for heating and cooling through geothermal energy.