Just to mention that from 9th Feb that Powergen Lauched a new online tariff, the Energy Online Extra Saver (dual fuel for Gas and Electricity). This replaces the Winter Saver tariff for all new customers (ie they've introduced this and removed the Winter tariff). You may recall from this post that a number of us switched to the Winter tariff.http://www.hotukdeals.com/forums/showthread.php?t=35729&highlight=powergen
When I've compared this new tariff with the old Winter tariff i signed up in December (by using Uswitch.com and Energylinx.co.uk) I found myself apparantly saving £120 per annum with the new tariff (not surprising given Powergen have recentlylowered prices, but only for new customers / tariffs).
I havent actually got my tariffs from the Winter tariff to hand (to ultimately prove it) but the new tariffs are:
GAS: Units 3.737p per kWh, Units above 4572 kWh p.a 2.972p per kWh
ELECT: Units 17.483p per kWh Units above 900 kWh p.a 9.797p per kWh
To change call Pgen on 0800 183 1377 between 8.00am and 8.00pm Monday to Friday (8.00am and 4.00pm on Saturday).
This is available to all existing customers as I've just changed.
Obviously switching electricity is not for all and there may be better options but if you are happy with Powergen then this would appear to be a tariff that reflects the new lower price of energy and could save you money just by ringing a free phone number.
Hope this helps - glad to try to put something back into this site!