Petition No 1737/2013 by Johanna MacRae (Maltese) on discrimination due to the two-level pricing system for electricity and water:
http://www.europarl.europa.eu/sides/getDoc.do?&reference=PE-546.909&format=PDF&language=EN&secondRef=01
http://www.europarl.europa.eu/sides/getDoc.do?&reference=PE-546.909&format=PDF&language=EN&secondRef=01