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Analyzing the Applicability of Random Forest-Based Models for the Forecast of Run-of-River Hydropower Generation

Abstract : Analyzing the impact of climate variables into the operational planning processes is essential for the robust implementation of a sustainable power system. This paper deals with the modeling of the run-of-river hydropower production based on climate variables on the European scale. A better understanding of future run-of-river generation patterns has important implications for power systems with increasing shares of solar and wind power. Run-of-river plants are less intermittent than solar or wind but also less dispatchable than dams with storage capacity. However, translating time series of climate data (precipitation and air temperature) into time series of run-of-river-based hydropower generation is not an easy task as it is necessary to capture the complex relationship between the availability of water and the generation of electricity. This task is also more complex when performed for a large interconnected area. In this work, a model is built for several European countries by using machine learning techniques. In particular, we compare the accuracy of models based on the Random Forest algorithm and show that a more accurate model is obtained when a finer spatial resolution of climate data is introduced. We then discuss the practical applicability of a machine learning model for the medium term forecasts and show that some very context specific but influential events are hard to capture.
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https://hal.inria.fr/hal-03499725
Contributor : Mireille Bossy Connect in order to contact the contributor
Submitted on : Tuesday, December 21, 2021 - 3:42:57 PM
Last modification on : Friday, January 21, 2022 - 3:22:40 AM

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Valentina Sessa, Edi Assoumou, Mireille Bossy, Sofia Simões. Analyzing the Applicability of Random Forest-Based Models for the Forecast of Run-of-River Hydropower Generation. Clean Technologies, MDPI, 2021, 3 (4), pp.858-880. ⟨10.3390/cleantechnol3040050⟩. ⟨hal-03499725⟩

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