(19)

(11)

EP 2 291 896 A1

(12)

(43) Date of publication: 09.03.2011 Bulletin 2011/10 (21) Application number: 09757768.8 (22) Date of filing: 03.06.2009

(51) International Patent Classification (IPC):  H02J 3/14(2006.01) (86) International application number: PCT/GB2009/001397 (87) International publication number: WO 2009/147396 (10.12.2009 Gazette 2009/50)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 03.06.2008 GB 0810123 (71) Applicant: Smarter Energy Solutions Ltd. 1 Achilles Road London NW6 1DZ (GB)	(72) Inventor: HUNTER, Paul, Neil London NW9 8YB (GB) (74) Representative: Jehan, Robert  Williams Powell Staple Court 11 Staple Inn Buildings London, WC1V 7QH 11 Staple Inn Buildings London, WC1V 7QH (GB)