Wind power worries me because it's not always on and we don't have the infrastructure to make effective use of bursty sources of power, so it's unclear how things will work out once it's a substantial portion of our generation mix.
Re the hob, it'd be pretty hard to measure the efficiency difference, especially since the answer will be different in winter to summer (in winter the waste heat has some use since you'd be heating your house anyway).
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Date: 2010-04-12 11:36 am (UTC)Re the hob, it'd be pretty hard to measure the efficiency difference, especially since the answer will be different in winter to summer (in winter the waste heat has some use since you'd be heating your house anyway).