Energy bills are set to rise because Britain will become more reliant on energy imports to fill a shortfall in domestic production, the industry watchdog has warned. Ofgem said supplies are on a "rollercoaster" and heading "downhill fast".
You’ve been telling us what you think about the warning by Ofgem boss Alistair Buchanan that power shortages will mean energy bills rise further.
Theresa Marshall Where is the investment in wind, wave and solar? We are all going to run out of fossil fuels one day!
Rob Francis So business are happy to make a quick buck and run but not so happy to put their money where their mouth is and invest. So taxpayers pick up the pieces again.
Amanda Frost I think it's about time everyone made a concerted effort to use less energy - it would save us all money, stop us becoming dependent on imported fuel and be good for the environment too.
Our increasing reliance on gas leaves the UK more reliant on an energy supply from a very dangerous part of the world.
So what is behind the new urgency in the warnings about keeping the lights on?
The boss of energy regulator Ofgem has warned that the looming shutdown of several coal power plants will raise energy bills further.