<p>The average cost to domestic electricity customers in the last three years is shown in the table. The county of Greater Manchester is within the North West Public Electricity Supply (PES) region. However, the counties of Oxfordshire and Surrey each have postcodes in various PES regions, and as such costs vary across the counties. Oxfordshire is covered by East Midlands, Midlands and Southern PES regions while Surrey is spread across London, South East and Southern PES regions.</p><p><table><thead><tr><td valign="top">Averageannual domestic electricitybill<br /></td></tr><tr><td valign="top" /><td valign="top" /><td valign="top">£<br /></td></tr><tr><td valign="top">Region<br /></td><td valign="top">PESRegion<br /></td><td valign="top">2010<br /></td><td valign="top">2011<br /></td><td valign="top">2012<br /></td></tr></thead><tbody><tr><td valign="top">GreaterManchester<br /></td><td valign="top">NorthWest<br /></td><td valign="top">398<br /></td><td valign="top">452<br /></td><td valign="top">478<br /></td></tr><tr><td valign="top">Oxfordshire<br /></td><td valign="top">EastMidlands<br /></td><td valign="top">403<br /></td><td valign="top">447<br /></td><td valign="top">468<br /></td></tr><tr><td valign="top" /><td valign="top">Midlands<br /></td><td valign="top">409<br /></td><td valign="top">449<br /></td><td valign="top">475<br /></td></tr><tr><td valign="top" /><td valign="top">Southern<br /></td><td valign="top">424<br /></td><td valign="top">445<br /></td><td valign="top">470<br /></td></tr><tr><td valign="top">Surrey<br /></td><td valign="top">London<br /></td><td valign="top">425<br /></td><td valign="top">452<br /></td><td valign="top">475<br /></td></tr><tr><td valign="top" /><td valign="top">SouthEast<br /></td><td valign="top">408<br /></td><td valign="top">438<br /></td><td valign="top">464<br /></td></tr><tr><td valign="top" /><td valign="top">Southern<br /></td><td valign="top">424<br /></td><td valign="top">445<br /></td><td valign="top">470<br /></td></tr></tbody></table></p><p>This data is taken from Table 2.2.3 of DECC's publication Quarterly Energy Prices (QEP), assuming an annual electricity consumption of 3,300 kWh. Annual bill estimates for 2013 will be published in December's edition of QEP on 19 December 2013.</p>