# Integrating building energy systems into regional power grids

- Link: https://www.thailand-business-news.com/asean/284522-integrating-building-energy-systems-into-regional-power-grids
- Published: 2026-07-14T09:47:00+07:00
- Author: The World Economic Forum

* Southeast Asia’s electricity demand is projected to double by 2050, driven by
   industrialization, digitalization, and population growth, while nearly 80% of
   the region’s energy still relies on fossil fuels. ASEAN countries are pursuing
   regional cooperation to address energy security, affordability, and decarbonization
   goals.
 * Key initiatives include strengthening the ASEAN Power Grid to enable cross-border
   electricity trading and renewable integration, and exploring civilian nuclear
   energy as a stable, low-carbon complement to intermittent renewables. Coordinated
   planning and shared investment are central to building more resilient and efficient
   energy systems across the region.

Southeast Asia faces surging energy demand due to industrialization, digitalization,
and population growth. To ensure secure, affordable, and sustainable energy, the
region is prioritizing a more integrated power system. Key initiatives include strengthening
the ASEAN Power Grid for electricity trading and renewable integration, and exploring
nuclear energy as a stable, low-carbon option. Collaborative efforts, facilitated
by shared learning and financing mechanisms, are crucial for building resilient 
energy systems and achieving net-zero ambitions, showcasing a pragmatic approach
to the energy transition in the Global South.

 * Across Southeast Asia, energy demand is being driven by industrialization, digital
   expansion and population growth.
 * Meeting rapidly growing demand while keeping energy secure, affordable and sustainable
   will require a more integrated power system.
 * Countries in the region have already started to develop and collaborate on projects
   focussed on grid integration and nuclear energy.

Electricity demand across the Association of Southeast Asian Nations (ASEAN) is 
projected to [double by 2050](https://www.iea.org/news/southeast-asia-can-harness-vast-renewable-resources-to-meet-fast-growing-electricity-demand),
according to the International Energy Agency, fuelled by rapid industrialization,
digital expansion and fast-growing cities. But nearly [80% of the region’s energy](https://www.iea.org/reports/southeast-asia-energy-outlook-2024/executive-summary)
still comes from fossil fuels, leaving economies exposed to volatile prices, supply
disruptions and rising emissions.

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Like many parts of the Global South, ASEAN must now work out how to meet this soaring
demand while keeping energy affordable, reliable and aligned with net-zero ambitions.
The answer lies in cooperation, not competition.

In an era of geopolitical uncertainty and fragmented institutions, ASEAN offers 
a counter-narrative: that regional cooperation still works. Collective action may
take longer to align, but it delivers more scalable, resilient and impactful outcomes
than isolated national strategies.

And as renewables scale, data-driven industries expand and transport electrifies,
ASEAN energy systems are becoming far more interconnected and complex – making the
case for a shared regional approach even stronger.

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## **Setting ASEAN’s energy integration agenda**

Meeting ASEAN’s rapidly growing energy demand while keeping power secure, affordable
and sustainable requires deep regional cooperation and a more integrated power system.
No single country can meet these needs alone – coordinated planning, shared investment
and cross-border interconnection will be essential.

First, the [ASEAN Power Grid (APG)](https://aseanenergy.org/apaec/asean-power-grid-apg)
links national power networks, enabling countries to trade electricity and integrate
more renewable energy across borders. As demand grows, especially from data centres
and energy-intensive industries, shared grids improve reliability and reduce the
need for each country to build redundant infrastructure.

Second, the [Civilian Nuclear Energy](https://aseanenergy.org/apaec/civilian-nuclear-energy-cne)
framework is exploring the role of nuclear power as a stable, low-carbon complement
to intermittent renewables. Nuclear energy is gaining interest interest in ASEAN
as a long-term solution for energy security, affordability and deep decarbonization.
For countries that choose to explore it, regional dialogue helps ensure approaches
are safe, coordinated, and aligned with global standards.

Together, these initiatives show how collective action and regional trust can make
energy systems more secure, efficient and sustainable, reducing the risks and costs
borne by individual nations.

[Source link ](https://www.weforum.org/stories/2026/02/regional-cooperation-asean-clean-energy/?rand=55375)