Capacity Building on BESS in Thailand
The second session addressed practical implementation, covering the technical and economic feasibility of integrating BESS into Thailand''s power system. Dr. Tröster provided insights into
In the future, when the proportion of renewable energy in Thailand's power system increases, BESS will become even more important for controlling the quality of electricity in real time as well as enhancing grid flexibility.
Thailand may lack the Battery Energy Storage Systems (BESS) necessary to navigate supply and demand challenges. The 2024 PDP draft included 10,000 MW of BESS, but this may see the country struggle to fulfil carbon neutrality and Net Zero commitments over the coming decades.
Watcharin Boonyarit, director of solar energy development at the Department of Alternative Energy Development and Efficiency, noted the potential for BESS to create business opportunities as Thailand transitions to renewable power sources. “We should not only import BESS but also consider new investment projects in this battery business.”
In 2022, the Thai government approved 24 BESS projects, all of which were located alongside solar operations. Their total combined storage capacity was 994 MW. Interestingly, this allowed generators to sign semi-firm power purchase agreements (PPAs) with the Electricity Generating Authority of Thailand (EGAT) with minimum availability guarantees.
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