economic and environmental performance of future fusion plants in comparison t hamacher 3 rm sáez 1 p lako 5 h cabal b hallberg 2 r korhonen 4 y lechón s lepicard 8 l schleisner 6 schneider d ward 7 jr ybema g zankl ciemat spain studsvik eco & safety ab se 611 82 nyköping sweden ipp germany vtt energy finland ecn netherlands research foundation riso national laboratory denmark ukaea abingdon uk cepn association cea euratom fontenay aux roses france abstract if the good as technology with no co emission during normal operation rather low external costs reflecting advantageous characteristics are considered regulations can win considerable market shares electricity markets was elaborated for western europe time period till 2100 software tool markal widely used to simulate optimise development european system two different scenarios were main difference interest rate investments stringent strategies lead