Energy Secretary Ed Davey has hailed a landmark deal to build Britain's first new nuclear plant in a generation.
But ministers are likely to face criticism over the report price that will be paid for electricity produced at the Somerset - around £90.00 per megawatt hour according to reports - which around double the current market rate.
"We think it would be good value if (the strike price) was a little higher," the Liberal Democrat Cabinet minister said.
"I was determined to get them below £90 so I could prove to everybody we had got a good deal...
"What has driven a tougher deal is the fact that I made clear we could walk away from the table. We had other nuclear options."
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