Wind Resource Quality Affected by High Levels of Renewables
AbstractFor solar photovoltaic (PV) and wind resources, the capacity factor is an important parameter describing the quality of the resource. As the share of variable renewable resources (such as PV and wind) on the electric system is increasing, so does curtailment (and the fraction of time when it cannot be avoided). At high levels of renewable generation, curtailments effectively change the practical measure of resource quality from capacity factor to the incremental capacity factor. The latter accounts only for generation during hours of no curtailment and is directly connected with the marginal capital cost of renewable generators for a given level of renewable generation during the year. The Western U.S. wind generation is analyzed hourly for a system with 75% of annual generation from wind, and it is found that the value for the system of resources with equal capacity factors can vary by a factor of 2, which highlights the importance of using the incremental capacity factor instead. The effect is expected to be more pronounced in smaller geographic areas (or when transmission limitations imposed) and less pronounced at lower levels of renewable energy in the system with less curtailment. View Full-Text
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Diakov, V. Wind Resource Quality Affected by High Levels of Renewables. Resources 2015, 4, 378-383.
Diakov V. Wind Resource Quality Affected by High Levels of Renewables. Resources. 2015; 4(2):378-383.Chicago/Turabian Style
Diakov, Victor. 2015. "Wind Resource Quality Affected by High Levels of Renewables." Resources 4, no. 2: 378-383.