Oh yes it is.....
‘Huge savings' Slash your energy bills in half by switching to off-peak tariffs (msn.com)
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I've no idea how accurate the info in the following link is, but it's making an interesting point, a very sensible way to use off-peak:
I've no idea how accurate the info in the following link is, but it's making an interesting point, a very sensible way to use off-peak:
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