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Prediction and Feed-In Tariffs of Municipal Solid Waste Generation in Beijing: Based on a GRA-BiLSTM Model

Author

Listed:
  • Xia Zhang

    (Tianjin Zhongxinde Metal Structure Co., Ltd., Tianjin 300380, China)

  • Bingchun Liu

    (School of Management, Tianjin University of Technology, Tianjin 300384, China)

Abstract

To cope with the increasing energy demand of people and solve the problem of a “Garbage Siege”, most cities have begun to adopt waste power generation (WTE). Compared to other WTE technologies, incineration has proven to be the most efficient technology for municipal solid waste (MSW) treatment. Therefore, to further explore the economic feasibility of MSW incineration plant construction, this study established a multi-factor prediction of MSW generation based on the GRA-BiLSTM model. By fully considering the relationship between the change in feed-in tariff (FIT) and the building of an incineration plant in Beijing, the economic feasibility of building an incineration plant is discussed based on the three scenarios set. The experimental results showed that (1) the combined model based on the GRA-BiLSTM showed good applicability for predicting MSW generation in Beijing, with MAE, MAPE, RMSE, and R 2 values of 12.47, 5.97%, 18.5580, and 0.8950, respectively. (2) Based on the three scenarios set, the incineration power generation of Beijing MSW will show varying degrees of growth in 2022–2035. In order to meet future development, Beijing needs to build seven new incinerators, and the incineration rate should reach 100%. (3) According to setting different feed-in tariffs, based on the economic feasibility analysis, it is found that the feed-in tariff of MSW incineration for power generation in Beijing should be no less than $0.522/kWh. The government should encourage the construction of incineration plants and give policy support to enterprises that build incineration plants.

Suggested Citation

  • Xia Zhang & Bingchun Liu, 2024. "Prediction and Feed-In Tariffs of Municipal Solid Waste Generation in Beijing: Based on a GRA-BiLSTM Model," Sustainability, MDPI, vol. 16(9), pages 1-17, April.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:9:p:3579-:d:1382021
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    References listed on IDEAS

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    1. Ayodele, T.R. & Ogunjuyigbe, A.S.O. & Alao, M.A., 2017. "Life cycle assessment of waste-to-energy (WtE) technologies for electricity generation using municipal solid waste in Nigeria," Applied Energy, Elsevier, vol. 201(C), pages 200-218.
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