By UIE webmaster / Published on Thu, 02/11/2010 - 17:31
The Transmission System Operator (TSO) is responsible for a stable and secure exploitation of the electricity grid in its control zone. This is mainly achieved by contracting power generators delivering ancillary services in addition to their main commercial product, active power. Electricity from Renewable Energy Sources (RES-e) is today generally exempted from the participation in ancillary services. However, the increasing share integration of variable RES-e with a limited predictability has an impact on the demand and supply structure of these services.
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