In 2022, Taiwan (R.O.C.) announced a green energy policy to increase the renewable energy penetration ratio to 30% by 2030 and 50% and 20% generations by gas and coal, respectively. In the meantime, the problem of the high ratio of imported energy (98%) might improve. The simulation of power system operation is important and can assist in the deployment of the energy policy.
This study roughly simulated the operation of the power system under this policy target. The result shows that the capacities of renewable energy plants and fire plants, including gas and coal, would be 43 GW and 40 GW, respectively, making a total of 83 GW. However, the peak load is only 50 GW, such that the spinning reserve will be up to 66%, while the regulation is only 15%. This is because Taiwan's power grid is an isolated system with no connection to other grids; hence, to balance and stabilize intermittent fluctuations of renewable energy, increased fire generation is necessary. This will require a considerable amount of spinning reserve, especially for fire generation, limiting even renewable energy generation. This study proposes reconfiguring the operation of renewable energy units from operating at their maximum potential to a lower point. The subsequent difference in power could be treated as the spinning reserve for renewable energy to respond to the sudden frequency change. Future research can focus on the effects of electric vehicles and economic growth.

Authors:
Chang Chien-Kuo, National Taiwan University of Science and Technology, Taiwan
Lu Shiue-Der, National Chin-Yi University of Technology, Taiwan
Liu Yu-chi, National Taiwan University of Science and Technology, Taiwan
Wu Bo-Wei, National Taiwan University of Science and Technology, Taiwan
Lin Yu-Hsiang, National Taiwan University of Science and Technology, Taiwan
Wu Chia-Chun, National Chin-Yi University of Technology, Taiwan

About the Presenter(s)
Mr Liu Yu-chi is a University Postgraduate Student at National Taiwan University of Science and Technology in Taiwan

See this presentation on the full schedule – Friday Schedule

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