Asia-Pacific’s energy security: The engineering is ready; the regulatory infrastructure must follow

FOR decades, the energy model that powered Asia’s rise was built on a simple logic: Access equals security. Access to globally traded fuels, competitive pricing, deep supply chains. It worked. It drove industrialisation across South-east Asia.

That logic is now being challenged. The world it was designed for has fundamentally changed.

The stress showing up across the Asia-Pacific today is a convergence, several forces arriving at once. Global electricity demand grew 4.4 per cent in 2024 and 3 per cent in 2025, and is forecast to rise a further 3.6 per cent annually through 2030.

Data centres in Singapore and southern Malaysia are adding a new category of load that legacy grid design was simply unprepared to absorb. What we need now is continuous power with zero tolerance for interruption. And geopolitical tension across major fuel supply routes has turned what were once theoretical import risks into live operational ones.

What I observe across the region is that governments are responding to this convergence on two tracks simultaneously. Energy security and net zero remain the twin objectives across Asean, Japan, South Korea and Australia. However, geopolitics keeps interrupting the path between them.

How do you build reliable, low-carbon energy at an affordable cost when the external environment keeps shifting beneath you?

Australia’s answer has been to invest in self-sufficiency. The Fuel Security Services Payment subsidises the two refineries that keep domestic refining capacity viable – a deliberate policy choice to build resilience rather than rely on the market.

That kind of structural thinking is where the wider region needs to go.

Energy has never been more central to economic competitiveness, winning advanced manufacturing investment, and hosting the data infrastructure the digital economy requires. And yet, the systems designed to deliver it are under more strain than they have been in a generation. It is a paradox that policy leaders continue to grapple with.

The shift that is already happening

Governments and utilities are asking how to deliver power predictably in a volatile world. That question leads to different decisions.

It means reducing dependence on any single fuel or supply route. It means investing in grid infrastructure capable of balancing variable sources in real time. It means taking interconnection seriously as a near-term resilience tool, with urgency.

The 48th Asean Summit held this May in Cebu placed energy security and grid resilience explicitly at the centre of the regional agenda, calling for the operationalisation of the Asean Power Grid.

That matters less as a diplomatic signal and more as an indicator of where serious capital attention is turning. The Asean Power Grid has become a competitiveness project and the private sector is watching closely.

In March, Siemens Energy brought together energy leaders across industries in Singapore for our Asia Pacific Energy Talks. The appetite for regional interconnection was clear.

What the conversations surfaced, however, was something harder to solve: permitting processes that vary dramatically by market, regulatory frameworks designed for national grids rather than cross-border ones, and coordination gaps that slow even well-capitalised projects to a halt.

The challenge is not will or capital. It is alignment between regulatory systems that were built independently and now need to work together. From where we sit as a technology provider, the engineering is ready.

What resilience actually requires

The infrastructure gap is significant. Roughly US$2 billion has been invested in cross-border power links across South-east Asia over five decades. The full vision for the Asean Power Grid runs to an estimated US$800 billion in generation and transmission investment by 2045.

Closing that distance requires more than ambition. It requires three levers working in concert: trade and financing frameworks that reduce the cost of cross-border investment; resilient supply chains that insulate projects from external shocks; and collective financing structures designed for the actual risk profile of regional infrastructure.

For investors, macroeconomic and political stability signals – gross domestic product growth projections, government continuity and industrial trajectory – matter.

When those conditions hold, the logic flows: stable governance enables industrial growth, which drives energy demand, attracting capital. When they fracture, such as through inflation, currency volatility, rising interest rates, the chain breaks and investment retreats.

This is why predictable and clear regulatory frameworks are themselves a form of infrastructure. An investor will walk away from a multi-decade grid project if tariff structures or grid-access terms remain uncertain through development.

The new benchmark

The pressure on Asia’s grids, the governance gaps slowing interconnection, and investor concerns are not separate problems. They are the same problem at different points within the same system.

The region is moving past the phase where building capacity was the measure of progress. Quality, stability and predictability of supply now define competitive advantage.

Energy security and economic competitiveness have become the same objective. Getting there requires treating regulatory frameworks with the same seriousness as physical infrastructure, and regional cooperation as a shared interest rather than a deferred one.

The writer is group senior vice-president of Siemens Energy and president Asia-Pacific