Centrica's pre-tax profit of GBP1.92bn in 2010 was an increase of 18% over the previous year. ICIS Heren data shows that the key Day-ahead UK price for wholesale gas rose by 38% in 2010 compared with 2009.
Year on year, the average price of wholesale gas for January 2011 was 59.031 pence/therm - an 88% increase over the price for January 2010, at 31.39 pence/therm. This index figure is a weighted average of all the deals for gas delivered over the next month reported to ICIS Heren. These deals took place the month before delivery.
And the Day-ahead price for gas delivered during working days is up by 44% so far this year, compared with the same period last year.