In general power limitation not likely
Around lunchtime, i. e. almost exactly when consumption load is at its highest, PV plants supply the most energy therefore, PV capacity does not increase fluctuations in grid load, but rather reduces them. Even if an assumed PV capacity of 30 GW is reached (in 2008 the installed capacity in Germany was only approx. five GW), one does not anticipate any adverse effects on grid stability as a result of solar power infeed. Thus, experience so far suggests that a regulation of PV plants by the utility operator will not be necessary. Moreover, according to §12 EEG (Renewable Energy Act, Germany) plant operators are entitled to compensation for yield losses sustained as a result of such power regulation.
SMA Solar Technology AG · Tel. +49 561 9522 4000 · Fax: +49 561 9522 4040 · E-Mail: Sales@SMA.de · www.SMA.de