Initiatives to reduce the environmental impacts of electricity Lignite-fuelled Units I and II at Megalopolis I with an output of use since 2008 (since 01/01/2008 they can only be used for 20,000 hours) in implementation of Article 4(4a) of Directive 2001/80/EC (transposed into Greek law by Joint Ministerial Decision No. 29457/1511/2005, Government Gazette 992/B).