Strengthening Southeast Asia’s Energy Security Through System Integration & Grid Flexibility
Who We Are
FESSIA is a non-profit alliance advancing battery energy storage systems (BESS), grid flexibility, and system integration across Asia. We work with policymakers, developers, utilities, and industry leaders to turn ambition into scalable, deployable solutions.
By aligning perspectives across the energy ecosystem, we support coordinated approaches to policy, market development, and system integration.
Based in Singapore, we focus on Tier 1 markets in Vietnam and the Philippines, with expansion across ASEAN.
Members
Shape Asia’s Energy Future with Us
The future of energy storage, grid flexibility, and system integration in ASEAN will be shaped by those actively building and enabling it. FESSIA brings together industry, policymakers, and system experts to turn ambition into deployable solutions. Whether you represent an organisation or are looking to engage with the ecosystem, there is a place for you within the alliance.
Our Partners
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