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Comments on: http://sharpener.johnband.org/2007/02/637/ Trying to make a point Fri, 25 Jan 2008 12:21:35 +0000 hourly 1 By: Joe Otten http://sharpener.johnband.org/2007/02/637/#comment-58443 Sun, 04 Feb 2007 10:39:16 +0000 http://www.thesharpener.net/2007/02/04/637/#comment-58443 See also lengthy discussion here:

http://www.bbc.co.uk/blogs/newsnight/2006/12/i_am_not_a_transsexual_i_just_want_to_talk_green_e_1.html

My comment:

“It looks like buying green electricity just reduces the amount of green electricity people on normal tarrifs are buying by default. This is what ROC trading means.

You may well be using 100% green electricity, but not in a way that impacts total green generation. In which case, it is quite notional.

On the other hand if you were to buy and retire ROCs, this would increase green generation, because you would be creating additional demand for ROCs above the government imposed demand – and therefore more green energy has to be generated, one way or another.

So: switch to a brown tariff and spend the money you save on ROCs.”

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