Oh Yes !
Just as soon as you see three pigs fly past
And what price after the Minister for light bulbs gets his carbon tax ?
Meanwhile, on another part of the planet ( not far from here )
"My marginal cost of electricity is 10.206p/kWh, gas 2.9127p/kWh* but as I both cook and heat with gas I can regard gas used for cooking in winter as effectively free because it replaces heating gas."
( from [broken link removed] )