Southeast Asia expected to see uptick in BESS deployments with Indonesia’s new BESS mandate - Benchmark Source
Published December 15, 2025
Southeast Asia Anticipates Increase in Battery Energy Storage System Deployments Following Indonesia’s New Mandate
As Southeast Asia continues to evolve in its energy landscape, recent developments in Indonesia are expected to significantly influence the deployment of Battery Energy Storage Systems (BESS) across the region. The Indonesian government has introduced a new mandate aimed at promoting the use of BESS, which is anticipated to accelerate the adoption of energy storage technologies in Southeast Asia.
The mandate, which was announced by the Indonesian Ministry of Energy and Mineral Resources, outlines specific requirements for energy storage systems that will support the integration of renewable energy sources into the national grid. This initiative is part of Indonesia's broader strategy to enhance energy security, reduce reliance on fossil fuels, and meet its renewable energy targets.
Details of the New BESS Mandate
The new regulation requires that all new renewable energy projects in Indonesia incorporate BESS. This includes solar, wind, and other renewable sources. The mandate is designed to ensure that energy generated from these sources can be stored and dispatched as needed, enhancing grid reliability and stability.
According to the Ministry of Energy and Mineral Resources, projects must include a minimum storage capacity that corresponds to the output of the renewable energy source. For instance, solar projects must have a storage capacity equivalent to at least 20% of their peak output. This requirement is aimed at addressing the intermittency issues associated with renewable energy generation.
Furthermore, the mandate encourages the use of local content in BESS installations, promoting domestic manufacturing and creating job opportunities within the country. This aspect of the policy is expected to stimulate the local economy while also fostering technological innovation in the renewable energy sector.
Impact on the Regional Energy Market
The introduction of the BESS mandate in Indonesia is poised to have a ripple effect throughout Southeast Asia. As one of the largest economies in the region, Indonesia's policies often set a precedent for neighboring countries. The increased deployment of BESS is likely to encourage other Southeast Asian nations to adopt similar regulations, thereby enhancing regional energy security and sustainability.
Countries such as Malaysia, Thailand, and the Philippines have already begun exploring the potential of energy storage systems. The Indonesian mandate could accelerate these efforts, leading to a more coordinated approach to renewable energy deployment across Southeast Asia. This is particularly crucial as the region grapples with rising energy demands and the urgent need to transition to cleaner energy sources.
Market Analysis and Projections
Market analysts predict a significant uptick in BESS installations in Southeast Asia over the next few years. The global energy storage market is expected to grow from USD 10.7 billion in 2020 to USD 25.4 billion by 2026, with a compound annual growth rate (CAGR) of 15.5%. Southeast Asia is projected to capture a substantial share of this growth, particularly as more countries implement supportive policies and regulations.
In Indonesia specifically, the market for BESS is expected to expand rapidly. A recent report by the International Energy Agency (IEA) indicates that the country could see a deployment of approximately 1.5 gigawatts (GW) of energy storage capacity by 2025, driven by the new mandate and increasing investments in renewable energy projects.
Moreover, the growing interest from private investors and international companies in Indonesia's energy sector is likely to further bolster BESS deployments. With the government actively seeking partnerships to enhance its renewable energy infrastructure, the potential for investment in energy storage technologies is considerable.
Challenges and Considerations
Despite the positive outlook for BESS deployments in Southeast Asia, several challenges remain. The initial costs associated with the installation of energy storage systems can be high, which may deter some project developers. Additionally, there is a need for skilled labor and technical expertise to design, install, and maintain these systems effectively.
Furthermore, regulatory frameworks across different countries in Southeast Asia can vary significantly, which may complicate cross-border investments in energy storage technologies. Standardizing regulations and creating a cohesive regional strategy for energy storage will be essential to maximize the potential benefits of BESS.
Conclusion
The introduction of Indonesia's BESS mandate marks a significant step towards enhancing the role of energy storage in the country's renewable energy landscape. As Southeast Asia looks to transition to a more sustainable energy future, the anticipated increase in BESS deployments is expected to play a crucial role in achieving this goal. With supportive policies and investments, the region is well-positioned to harness the benefits of energy storage technologies, ultimately leading to a more resilient and sustainable energy sector.
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