SwRI’s John Klaerner, lead turbine engineer, and Dr. Jeff Moore, the principal investigator of the STEP Demo project, are pictured with the sCO2 turbine developed by SwRI for the 10 MWe demonstration plant. SwRI, GTI Energy, GE Global Research and the U.S. DOE National Energy Technology Laboratory celebrated the mechanical completion of the STEP Demo 10 MWe sCO2 pilot plant on October 26.