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How do North American weather regimes drive wind energy at the sub-seasonal to seasonal timescales?

Journal Article · · npj Climate and Atmospheric Science

There has been an increasing need for forecasting power generation at the subseasonal to seasonal (S2S) timescales to support the operation, management, and planning of the wind-energy system. At the S2S timescales, atmospheric variability is largely related to recurrent and persistent weather patterns, referred to as weather regimes (WRs). In this study, we identify four WRs that influence wind resources over North America using a universal two-stage procedure approach. These WRs are responsible for large-scale wind and power production anomalies over the CONUS at the S2S timescales. The WR-based reconstruction explains up to 40% of the monthly variance of power production over the western United States, and the explanatory power of WRs generally increases with the increase of timescales. The identified relationship between WRs and power production reveals the potential and limitations of the regional WR-based wind resource assessment over different regions of the CONUS across multiple timescales.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Wind Energy Technologies Office; USDOE
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1992377
Alternate ID(s):
OSTI ID: 1992210
Report Number(s):
PNNL-SA-178053
Journal Information:
npj Climate and Atmospheric Science, Vol. 6, Issue 1; ISSN 2397-3722
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

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