%0 Journal Article %K Energy use %K Building energy performance %K Energy benchmarking %K System efficiency %K Key performance indicator %K Performance diagnostics %A Han Li %A Tianzhen Hong %A Sang Hoon Lee %A Marina Sofos %B Energy and Buildings %D 2020 %G eng %P 109703 %R 10.1016/j.enbuild.2019.109703 %T System-level key performance indicators for building performance evaluation %V 209 %8 01/2020 %! Energy and Buildings