"ie over 8 years of savings are required to pay for the device."
Except those savings are based on the ridiculous assumption that people will use so much less electricity if only they knew how much they were using.
Well done The Public Accounts Committee for stating the bleeding obvious, shame you are 3 or 4 years too late. Not that it would make any difference because as I stated here nearly 3 years ago the reason we are getting smart meters is...
The technically illiterate eco green willy waving tossers running the country find the idea of forcing us to pay for personal energy guilt meters irresistible.
Biting the hand that feeds IT
