Curtailment: Difference between revisions

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Because of [[Feed-in tariff|laws]] requiring the grid to accept all wind power, the wind companies may be paid for this curtailment as if they had nonetheless contributed power to the load.
Because of [[Feed-in tariff|laws]] requiring the grid to accept all wind power, the wind companies may be paid for this curtailment as if they had nonetheless contributed power to the load.


Notably, curtailment occurs frequently in Great Britain (with payment),<ref>https://www.wind-watch.org/documents/decade-of-constraint-payments/</ref> Ontario (also with payment)<ref>https://docs.google.com/spreadsheets/d/18oTxqODeoAykuMmDNaiz2vNf8e7MkNSQyZIxkyFSRT0/</ref> and Texas<ref>https://www.wind-watch.org/news/2016/08/06/in-texas-oil-country-wind-is-straining-the-grid/</ref>, both with substantial penetration of wind on an isolated grid. Curtailment has been documented also in northern Vermont<ref>https://www.wind-watch.org/news/2017/09/06/electric-co-op-dont-overload-us-with-renewable-energy-costs/</ref><ref>https://www.wind-watch.org/news/2018/01/15/oversubscribed-northern-vermont-power-grid-costing-utilities-millions/</ref> and Ireland.<ref>https://www.wind-watch.org/news/2020/04/13/wind-energy-farms-are-losing-out-on-tens-of-millions-of-revenue-because-of-constraints-in-irelands-transmission-system-and-the-problem-is-getting-worse-a-new-study-shows/</ref>
Notably, curtailment occurs frequently in Great Britain (with payment),<ref>https://www.wind-watch.org/documents/decade-of-constraint-payments/</ref> Ontario (also with payment),<ref>https://docs.google.com/spreadsheets/d/18oTxqODeoAykuMmDNaiz2vNf8e7MkNSQyZIxkyFSRT0/</ref> and Texas<ref>https://www.wind-watch.org/news/2016/08/06/in-texas-oil-country-wind-is-straining-the-grid/</ref>, all of these examples of substantial penetration of wind on an isolated grid. Curtailment has been documented also in northern Vermont<ref>https://www.wind-watch.org/news/2017/09/06/electric-co-op-dont-overload-us-with-renewable-energy-costs/</ref><ref>https://www.wind-watch.org/news/2018/01/15/oversubscribed-northern-vermont-power-grid-costing-utilities-millions/</ref> and Ireland.<ref>https://www.wind-watch.org/news/2020/04/13/wind-energy-farms-are-losing-out-on-tens-of-millions-of-revenue-because-of-constraints-in-irelands-transmission-system-and-the-problem-is-getting-worse-a-new-study-shows/</ref>


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