Due to the publication of fuel prices from June to August 2009 (trade statistics 
prices for crude oil, liquefied natural gas (LNG) and coal published by Ministry 
of Finance Japan), a fuel-cost adjusted unit price for November 2009 is fixed as 
per enclosure. 

Fuel cost adjustment system: 
"Fuel cost adjustment system" is a system designed to automatically adjust monthly 
electricity fees based on fluctuations in (actual recorded) fuel prices for crude 
oil, LNG and coal. 

 http://www.tepco.co.jp/en/customer/guide/fuelcost-e.html

Appendix: Fuel Cost Adjustment in Electricity Fees for November 2009 (PDF 17.8KB)