Joint Probability Distribution and Correlation Analysis of Wind and Solar Power Forecast Errors in the Western Interconnection

Jie Zhang, Bri-Mathias Hodge, Anthony Florita

Research output: Contribution to journalArticlepeer-review

Abstract

Wind and solar power generation differ from conventional power generation because of the variable and uncertain nature of their power output. This can have significant impacts on grid operations. Short-term forecasting of wind and solar power generation is uniquely helpful for planning the balance of supply and demand in the electric power system because it allows for a reduction in theuncertainty associated with their output. As a step toward assessing the simultaneous integration of large amounts of wind and solar power, this article investigates the spatial and temporal correlation between wind and solar power forecast errors.
Original languageAmerican English
JournalJournal of Energy Engineering
Volume141
Issue number1
DOIs
StatePublished - 2015

NREL Publication Number

  • NREL/JA-5D00-58507

Keywords

  • forecasting
  • solar
  • Western Interconnection
  • wind

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