Market implications of wind reserve margin

M Hedayati-Mehdiabadi… - … on Power Systems, 2018 - ieeexplore.ieee.org
IEEE Transactions on Power Systems, 2018ieeexplore.ieee.org
The level of uncertainty, which the power system operators should account for, increases as
more renewables are integrated in the system. Additional operating reserves needs to be
scheduled within security constrained economic dispatch to ensure reliability. Existing
practices rely on conventional generators for providing operational flexibility required to
mitigate the uncertainty introduced by renewables. However, with the increased share of
renewables in the generation mix, such intermittent resources would be expected to take …
The level of uncertainty, which the power system operators should account for, increases as more renewables are integrated in the system. Additional operating reserves needs to be scheduled within security constrained economic dispatch to ensure reliability. Existing practices rely on conventional generators for providing operational flexibility required to mitigate the uncertainty introduced by renewables. However, with the increased share of renewables in the generation mix, such intermittent resources would be expected to take part in the balancing tasks, too. Providing a reserve margin allows wind generators to hedge against uncertainty. This paper examines the market implications of wind reserve margin policies used to mitigate uncertainty from wind resources. The market implications of the recently proposed optimized reserve margin policy factors are studied. Analysis on the Reliability Test System 1996 shows that reserve margin policy factors along with the proposed compensation scheme help in allocating payments toward renewable resources that present a good quality of service.
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