You may find this interesting
http://news.bbc.co.uk/1/hi/magazine/6729683.stm
Memories of the 1970s strikes and the 3 day week.
Personally I found the 3 day week wonderful. As I was monthly paid I did not lose any wages. But there was nothing to do at work with no electricity. We spent the non working days sitting outside in the sunshine , it was great weather, reading books and newspapers.
I had a battery power transistor radio that we listened to.
People made money by getting a day return on the ferry to France and bringing back candels to sell at a large profit. The UK shops had run out of candles within the first few days.