A Case Study of Addressing Challenges of Renewable Energy Integration in Thailand

This will impact to create more rapidly duck curve in the daily load curve of Thailand’s electricity consumption. The inherent variability and intermittency of renewable energy sources introduce fluctuations in power supply, directly altering the traditional loading curve and posing challenges to grid stability and reliability.

To effectively address these challenges for more acceptable stability and reliability, Thailand’s utility is primarily responsible for operating and controlling the stability and reliability of the main electrical grid of Thailand under a single buyer structure, employs various strategies and technologies. Energy storage solutions, notably pumped hydro storage (PHS) and battery energy storage systems (BESS), play a crucial role in mitigating the impacts on the loading curve. During periods of surplus renewable energy generation, these systems store excess energy, especially during the daytime period. And then the stored energy will be released to the grid during periods of low generation and of course at the peak demand. Complementary to these storage solutions are flexible generation sources and adjusting the duration of conventional power plant to suit operational plans. This paper will illustrate the procedure for assessing the impact of integrating variable renewable energy on the loading curve of

Thailand’s transmission system in several ways, such as maximum ramping requirement, gap between daily minimum and peak demand as well as number of start-ups of power plant along with various solutions according to the Thailand’s context to support amount of currently renewable energy available and to decline the impact of fluctuations from the rapidly increasing of renewable energy in the future. Consequently, the outcomes of all implementing in

Thailand’s electrical power grid reflect improved power system stability and reliability in overall.

In conclusion, to manage the fluctuations that occur in the electrical power system from the increase in large amounts of renewable energy, Thailand is starting to face this problem and it tends to become more severe from the policy of increasing the ratio of electricity generation capacity from renewable energy. Therefore, it is necessary to put in place various approaches to alleviate problems that will affect the stability and reliability of the Thailand’s overall electrical power grid in both the short- and long-term period. A present plan in Thailand in a multifaceted approach involving energy storage, operational flexibility, advanced forecasting, infrastructure enhancements, and supportive regulatory frameworks absolutely aims to achieve a sustainable energy future in Thailand.