Technical Research Centre of Finland VTT Processes Simple Models for Operational Optimisation Benny Bøhm (Project Leader) Seung-kyu Ha Won-tae Kim Bong-kyun Kim Tiina Koljonen Helge V. Larsen Michael Lucht Yong-soon Park Kari Sipilä Michael Wigbels Magnus Wistbacka April 2002 Contract 524110/0010 This report does not necessarily fully reflect the views of each of the individual participant countries of the Implementing Agreement on District Heating and Cooling, including the integration of CHP.