Revision as of 09:28, 29 November 2017 edit Gunnar.Kaestle (talk \| contribs) Extended confirmed users 2,677 edits →Complementary power sources and matching demand: Depending of the weather system, a combination of ca. 1 GW wind to 1 GW solar will compensate the seasonal fluctuations. ← Previous edit		Revision as of 09:42, 29 November 2017 edit undo Gunnar.Kaestle (talk \| contribs) Extended confirmed users 2,677 edits →Storage and demand loading: It is not only wind, but also solar as a pillar of a RES based energy system in the future. The following pairs apply: generator/load (technical), supply/demand (macroeconomics), production/consumption (microeconomics) Next edit →
Line 165: {{Main\|Grid energy storage}} At times of low orload ~~falling~~where ~~demand~~non-dispatchable ~~where~~output from wind ~~output~~and solar may be high ~~or increasing~~, grid stability ~~may require~~requires lowering the output of various dispatchable generating sources or even increasing ~~demand~~controllable loads, possibly by using energy storage to time-shift output to times of higher demand. Such mechanisms can include: * [[Pumped-storage hydroelectricity\|Pumped storage hydropower]] is the most prevalent existing technology used, and can substantially improve the economics of wind power. The availability of hydropower sites suitable for storage will vary from grid to grid. Typical round trip efficiency is 80%.<ref name="IEA2005WindVar"/><ref name='REPAWindEconomics'>{{cite web\|url=http://ideas.repec.org/p/rep/wpaper/2006-02.html \|title=The Economics of Wind Power with Energy Storage \|accessdate=2008-10-20 \|last=Benitez \|first=Pablo C. \|author2=Lilianna E. Dragulescu \|author3=G. Cornelis Van Kooten \|date = February 2006\|work=Resource Economics and Policy Analysis (REPA) Research Group \|publisher=Department of Economics, University of Victoria }}</ref>

Intermittent energy source: Difference between revisions