A report entitled "Powerful Targets: Exploring the relative cost of meeting decarbonisation and renewables targets in the British power sector" has ignited a war of words in the UK's policy and renewables circles. Consultancy KPMG had commissioned the report in 2011 from sub-contractor AF Consult, but in early March KPMG announced that it would not be released due to its controversial conclusions stemming from an economic model that many call 'questionable'. KPMG added that the report was 'ripe for misinterpretation'.