期刊
ENERGY
卷 236, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2021.121387
关键词
Solar photovoltaics; Wind turbines; Pumped hydro; Battery; Southeast Asia; Asia-Paci fic super grid
资金
- Australian Government through the Australian Renewable Energy Agency (ARENA)
- Australian Centre for Advanced Photovoltaics (ACAP)
- Australian National University (ANU)'s Grand Challenge Programme Zero-Carbon Energy for the Asia-Pacific
This study investigates the role of short-term off-river energy storage (STORES) in supporting 100% renewable electricity in Southeast Asia, finding that closed-loop pumped hydro storage has high potential and maturity. Comparative analysis with the Asia-Pacific Super Grid scenario shows that with support from STORES, Southeast Asia can achieve very high penetration of domestic solar and wind energy resources.
Rapid increases in electricity consumption in Southeast Asia caused by rising living standards and population raise concerns about energy security, affordability and environmental sustainability. In this study, the role of short-term off-river energy storage (STORES) in supporting 100% renewable electricity in Southeast Asia is investigated. Large-scale integration of off-river, closed-loop pumped hydro storage is a new approach to providing system flexibility facilitating high penetration of variable renewable energy in electricity systems. The features of STORES include large storage potential, high technology maturity and a long service life. Energy generation, storage and transmission are co-optimised based on long-term, high-resolution chronological energy data. A comparative analysis is undertaken between the scenarios with and without an intercontinental Asia-Pacific Super Grid. The results show that, with support provided by STORES, the Southeast Asian electricity industry can achieve very high penetration (78%-97%) of domestic solar and wind energy resources. The levelised costs of electricity range from 55 to 115 U.S. dollars per megawatt-hour based on 2020 technology costs. In the Super Grid scenarios, the costs change by-4% to thorn 7% while the storage requirements reduce by 50%-89%. Renewable energy supported by STORES can be a cost-effective solution for Southeast Asia's energy transition, delivering long-term, substantial environmental benefits. (c) 2021 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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