On Wed, 11 Nov 2009 04:20:33 -0800, js.b1 wrote:

Does the BG one not cover dual-tarrif?

Then again price would need updating that much they might as well stick
a laptop on the end of it.

Google one is interesting, but too pricey at £60. Basically sell
something which saves about as much as its carbon & financial cost over
its life. How American Marketing, cue the 'our product is carbon
neutral' :-)

Since this is a DIY group, after all....

http://offog.org/code/electricity.html

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