Purpose – The paper seeks to evaluate the changes in efficiency and productivity of coal‐fired electricity generation of 30 Chinese administrative regions from 1999 to 2007. Design/methodology/approach – The paper incorporates data envelopment analysis with the Malmquist index to study the...

Purpose – The purpose of this paper is to solve commitment problem of generating units in thermal power plants and to find the optimal dispatches of the committed units. Design/methodology/approach – The unit commitment (UC) problem has been solved in two stages. In the first stage, the...