Journal
SOLAR ENERGY
Volume 129, Issue -, Pages 192-203Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2016.01.049
Keywords
Solar power forecasting; Solar grid integration; Bulk power system operations
Categories
Funding
- U.S. Department of Energy [DE-AC36-08-GO28308]
- National Renewable Energy Laboratory under the SunShot Initiative's Improving the Accuracy of Solar Forecasting program
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The value of day-ahead solar power forecasting improvements was analyzed by simulating the operation of the Independent System Operator - New England (ISO-NE) power system under a range of scenarios with varying solar power penetrations and solar power forecasting improvements. The results showed how the integration of solar power decreased operational electricity generation costs, by decreasing fuel and variable operation and maintenance costs, while decreasing start and shutdown costs of fossil fueled conventional generators. Solar power forecasting improvements changed the impacts that the uncertainty of solar power has on bulk power system operations; electricity generation from the fast start and lower efficiency power plants, ramping of all generators, start and shutdown costs, and solar power curtailment were all reduced. These impacts led to a reduction in overall operational electricity generation costs in the system that translates into an annual economic value for improving solar power forecasting. (C) 2016 Elsevier Ltd. All rights reserved.
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