Prime Minister David Cameron said: "This is a massive vote of confidence in our long-term economic plan.
"This investment is going to create lots of new jobs and opportunities, meaning more financial security and peace of mind for families and a more resilient economy for our country."
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Clocks will go forward 30 minutes so there is half an hour more daylight in the evening when energy consumption peaks.
Tina Green is to be called before the Work and Pensions Committee as it looks into how the high street chain went into administration.
The Boeing 777 was reportedly intercepted by two Hungarian Air Force Gripens after it lost contact with air traffic controllers.