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- W2141334444 abstract "Wind power introduces variability into electric power systems. Due to the physical characteristics of wind, most of this variability occurs at inter-hour time-scales and coal units are therefore technically capable of balancing wind. Operators of coal-fired units have raised concerns that additional cycling will be prohibitively costly. Using PJM bid-data, we observe that coal operators are likely systematically under-bidding their startup costs. We then consider the effects of a 20% wind penetration scenario in the coal-heavy PJM West area, both when coal units bid business as usual startup costs, and when they bid costs accounting for the elevated wear and tear that occurs during cycling. We conclude that while 20% wind leads to increased coal cycling and reduced coal capacity factors under business as usual startup costs, including full startup costs shifts the burden of balancing wind onto more flexible units. This shift has benefits for CO2, NOX, and SO2 emissions as well as for the profitability of coal plants, as calculated by our dispatch model." @default.
- W2141334444 created "2016-06-24" @default.
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- W2141334444 date "2013-05-15" @default.
- W2141334444 modified "2023-10-02" @default.
- W2141334444 title "Production cost and air emissions impacts of coal cycling in power systems with large-scale wind penetration" @default.
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- W2141334444 doi "https://doi.org/10.1088/1748-9326/8/2/024022" @default.
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