"No mistake about it, this is a very big day for our country: the first time we've built a new nuclear power station for a very long time," the Prime Minister told television cameras today.
He said the deal would be "kickstarting again this industry, providing thousands of jobs and providing long-term, safe and secure supplies of electricity far into the future."
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A year ago the International Court of Justice ruled that Japan's decades-old whale hunt in the Antarctic should stop.
Shadow chancellor John McDonnell has backed a free vote for MPs on the issue.
Savers into the new scheme can expect rates as high as 4 per cent from some banks.