According to the energy regulator Ofgem:
- The amount of spare capacity on Britain's electricity network is 14%
- That could fall to 4% in 2015/16
- This is because coal-fired power stations are likely to close earlier than expected under EU environmental rules
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PM used a speech in Hamburg to say that the UK will not 'pull up the drawbridge and retreat from the world' but Europe must change.
It is set to remain unsettled into Saturday, becoming drier on Sunday.
The Independent has announced it is to cease publication and go online only from the end of March.