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regularly, because it comes form the experience of Denmark and northern Germany, where that level has been reached, and where the system copes (with the help of Scandinavian hydro, which is connected to the same regional grid).

Most grid operators say the same thing - that this is the level that can be reached with minor investments in the existing systems, with more requiring new investment to be made.

In the worst case, you force the wind producers to pay "balancing costs" to the network (i.e. a penalty that you pay if you deliver a volume of production different from what you announced a day or so before). The UK system works that way; what happens is that windfarms sell to utilities that manage the balancing requirement within their wider portfolios - the utilities get a cut for that service.

In the long run, we're all dead. John Maynard Keynes

by Jerome a Paris (etg@eurotrib.com) on Tue Oct 31st, 2006 at 02:12:59 PM EST
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