<p>Energy bill data are only available at a Public Electricity Supply (PES) region level. The Mid Sussex constituency is within the South East PES region. However, West Sussex has postcodes in both the South East and Southern PES regions. Energy bill estimates for these regions have been provided in the following table.</p><p><table><thead><tr><td valign="top">£<br /></td></tr><tr><td valign="top" /><td valign="top">SouthEast PESRegion<br /></td><td valign="top">SouthernPESRegion<br /></td></tr><tr><td valign="top" /><td valign="top">Gas<br /></td><td valign="top">Electricity<br /></td><td valign="top">Gas<br /></td><td valign="top">Electricity<br /></td></tr></thead><tbody><tr><td valign="top">2010<br /></td><td valign="top">661<br /></td><td valign="top">408<br /></td><td valign="top">657<br /></td><td valign="top">424<br /></td></tr><tr><td valign="top">2011<br /></td><td valign="top">724<br /></td><td valign="top">438<br /></td><td valign="top">723<br /></td><td valign="top">445<br /></td></tr><tr><td valign="top">2012<br /></td><td valign="top">808<br /></td><td valign="top">464<br /></td><td valign="top">807<br /></td><td valign="top">470<br /></td></tr></tbody></table></p><p>These data are taken from Tables 2.2.3 and 2.3.3 of DECC's publication Quarterly Energy Prices (QEP), assuming an annual consumption of 3,300 kWh for electricity and 18,000 kWh for gas. Provisional annual bill estimates for 2013 will be published in December's edition of QEP on 19 December 2013.</p>