This excerpt taken from the DPL 8-K filed Feb 23, 2005.
Fuel and Purchased Power: DPL is currently maintaining approximately a 20-day inventory across its generation plants. Based on expected output of these plants and available information from co-owners of the facilities, the Company has long term fuel supply agreements that provide for 83% of fuel supply in 2005 and 60% in 2006. DPL operated plants are 73% hedged for estimated output in 2007. Fuel and purchased power costs in 2005 are estimated to increase 7% to 10% compared to 2004.