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Comment by failingslowly

> if you want people to be more environmentally conscious [...] they need far better data

This is one of the reasons all UK homes are being fitted for free with smart meters. (There are others, such as enabling better grid control.)

> You want to be able to see usage to a resolution of at most 5 minutes.

My one updates every few seconds and has a set of traffic light LEDs at the bottom giving a visible guide to energy use.

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