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Capacity Value of Wind Power

Journal Article · · IEEE Transactions on Power Systems, 26(2):564-572
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Power systems are planned such that they have adequate generation capacity to meet the load, according to a defined reliability target. The increase in the penetration of wind generation in recent years has led to a number of challenges for the planning and operation of power systems. A key metric for system adequacy is the capacity value of generation. The capacity value of a generator is the contribution that a given generator makes to overall system adequacy. The variable and stochastic nature of wind sets it apart from conventional energy sources. As a result, the modeling of wind generation in the same manner as conventional generation for capacity value calculations is inappropriate. In this paper a preferred method for calculation of the capacity value of wind is described and a discussion of the pertinent issues surrounding it is given. Approximate methods for the calculation are also described with their limitations highlighted. The outcome of recent wind capacity value analyses in Europe and North America are highlighted with a description of open research questions also given.
Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (US)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-76RL01830
OSTI ID:
1013288
Report Number(s):
PNNL-SA-68521
Journal Information:
IEEE Transactions on Power Systems, 26(2):564-572, Journal Name: IEEE Transactions on Power Systems, 26(2):564-572 Journal Issue: 2 Vol. 26; ISSN ITPSEG; ISSN 0885-8950
Country of Publication:
United States
Language:
English

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Related Subjects

17 WIND ENERGY
24 POWER TRANSMISSION AND DISTRIBUTION
CAPACITY
ENERGY SOURCES
METRICS
PLANNING
POWER SYSTEMS
Power generation planning
Power system planning
RELIABILITY
SIMULATION
WIND POWER
Wind power generation