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Data-Driven Minute-Ahead Forecast of PV Generation with Adjacent PV Sector Information

Author

Listed:
  • Jimyung Kang

    (Korea Electrotechnology Research Institute, Changwon 51543, Republic of Korea)

  • Jooseung Lee

    (Korea Electrotechnology Research Institute, Changwon 51543, Republic of Korea)

  • Soonwoo Lee

    (Korea Electrotechnology Research Institute, Changwon 51543, Republic of Korea)

Abstract

This paper proposes and validates a data-driven minute-ahead forecast model for photovoltaic (PV) generation, which is essential for real-time micro-grid scheduling. Unlike day-ahead PV forecasts that heavily rely on weather forecast information, our proposed model does not require such data as it operates in an ultra-short-term time domain. Instead, the model leverages the generation data of the target PV sector and its adjacent sectors to capture short-term factors that affect electricity generation, such as the movement of clouds. The proposed model employs a long short-term memory (LSTM) network to process the data. By conducting experiments with real PV site data, we demonstrate that the information from adjacent PV sectors improves the accuracy of minute-ahead PV generation forecasts by 3.66% in the mean squared error index and 1.19% in the mean absolute error index compared to the model without adjacent sector information.

Suggested Citation

  • Jimyung Kang & Jooseung Lee & Soonwoo Lee, 2023. "Data-Driven Minute-Ahead Forecast of PV Generation with Adjacent PV Sector Information," Energies, MDPI, vol. 16(13), pages 1-16, June.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:13:p:4905-:d:1177808
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    References listed on IDEAS

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