<p>Ofgem monitors and publishes information in its Social Obligations Annual Reports about the average level of debt that domestic customers owe for their gas and electricity supplies.</p><p>In 2011, the average level of debt held by domestic customers at the end of the year was £357 for electricity and £371 for gas. During 2012 Ofgem changed the way it collected information about average debt from suppliers. The changes have led to data showing the average level of debt for customers who had agreed a repayment arrangement and for those who had not. The .average level of debt held by domestic customers who had agreed a repayment arrangement the end of 2012 was £304 for electricity and £313 for gas. The average level of debt held by domestic customers who had not yet agreed a repayment arrangement the end of 2012 was £439 for electricity and £443 for gas. Data for 2013 are not available.</p>