My Department does not hold the information requested.
However the following table provides an estimate of the types of material co-fired from 2005 until the end of September 2007 under the renewables obligation:
Total 2007 2006 2005 Palm oil 45,728 6,202 36,697 2,829 Palm residues 1,165,087 238,216 480,043 446,828 Olive residues 514,211 131,160 99,829 283,222 Shea residues 31,558 21,357 4,781 5,420 Wood and wood residues 633,595 140,868 206,804 285,923 Crop residues and co- products 382,821 105,880 152,457 124,484 Short rotation Coppice and Miscanthus 15,626 8,881 2,439 4,306 Other 419,094 98,343 59,735 261,016