Op-Ed: Pax Silica Could Complicate Philippine & Regional Sustainable Energy Goals

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The US-led Pax Silica initiative was created to strengthen trusted supply chains for semiconductors, artificial intelligence infrastructure, and other strategic technologies among allied nations.

The Philippines has signaled its participation but has been confronted with early opposition from non-government agencies. But that is expected.

There are two immensely informative and entertaining reads on the Pax Silica initiative. The first is TechSabado’s piece on the post Marco Rubio visit, and the second is a truly lengthy and complete dissertation by Engineer Pierre Tito Gala published in Newsbytes. This op-ed alone became the source of information for many other articles and opinions, some coming from dubious sources or persons of dubious natures and backgrounds pushing a sensationalist agenda — the “neocolonialism of technology,” as if technology itself is a political issue. But that’s not what I am writing about.

Hyperscaling hyperbole?

Pax Silica, according to its proponents, represents an opportunity to attract advanced manufacturing, hyperscale data centers and other high-value technology investments through the proposed Economic Security Zone in New Clark City. Yet the infrastructure needed to support those ambitions could create significant challenges for the country’s clean energy transition, and, by extension, regional sustainability goals.

At the heart of the debate is the enormous demand for electricity and water that accompanies semiconductor manufacturing, AI computing, and advanced industrial operations. While Pax Silica aims to enhance economic resilience and reduce dependence on vulnerable global supply chains, it also raises difficult questions about whether the Philippines can expand its technology ecosystem without increasing fossil fuel dependence or placing additional pressure on already constrained natural resources.

The proposed Economic Security Zone is expected to require at least 5,000 megawatts of electricity to support semiconductor packaging, advanced manufacturing, AI data centers, and other strategic industries. Current plans call for a 500-megawatt solar facility and a 1,200-megawatt natural gas power plant, providing a combined 1,700 megawatts of dedicated generation. That leaves an estimated 3,300-megawatt shortfall that would have to be supplied by the Luzon grid unless additional generation capacity comes online.

Meeting that demand from the existing grid could significantly tighten Luzon’s operating reserve. With the grid currently maintaining an operating margin of approximately 4,848 megawatts above peak demand, diverting another 3,300 megawatts to a single industrial hub would substantially reduce the reserve available to absorb power plant outages, transmission disruptions, or unexpected surges in electricity consumption. A narrower operating margin could increase the risk of supply constraints, higher wholesale electricity prices, and greater reliance on fossil fuel generation to preserve grid stability, potentially slowing the country’s decarbonization efforts while affecting regional electricity markets as cross-border power integration expands.

No alternative energy system is available yet

Offshore wind, utility-scale battery storage, and small modular reactors are frequently identified as long-term solutions for supplying clean electricity to energy-intensive industries. However, none of these technologies can be deployed quickly enough to satisfy the initial power requirements of the proposed zone.

Offshore wind projects require up to 10 years from commissioning to generation–location is easiest part–resource assessment, permitting and transmission development are needed. But port modernization, is the trigger because handling the massive towers, blades, floats and turbines require larger ports with massive heavy lifting abilities.

Utility scale battery energy storage systems (BESS) can be developed and deployed within months but it would not only be expensive it will require a massive system even bigger than what is currently available. Even the world’s largest battery installations cannot continuously supply a 5 GW industrial load. The world’s largest operating BESS installation in Chinais a cluster of multiple battery storage projects in Inner Mongolia with a combined capacity of 12.8 GWh. Within that cluster is the Envision Jingyi Chagan Hada Energy Storage Power Station, which at 4 GWh is currently the world’s largest single-site operational electrochemical battery storage facility.

Even that cannot supply the power needs of Pax Silica. A theoretical 19 GWh BESS, for example, could deliver 5 GW for less than four hours before requiring recharge. This illustrates why battery storage alone cannot support a technology hub of that scale without a massive expansion of renewable generation and firm power sources.

A nuclear solution?

SMRs remain in the early stages of commercial deployment and regulatory approval. The World Nuclear Association reports that of July 2026, only two countries have commercial grid-connected SMRs in operation: Russia and China.

Russia was the first. It operates the Akademik Lomonosov, the world’s first floating nuclear power plant. Commissioned in 2020, it uses two KLT-40S pressurized water reactors producing about 70 MW of electricity (35 MW each) and supplies power to Pevek in Russia’s Far East. Rosatom is also building additional land-based SMRs.

Since 2023, China one HTR-PM (High-Temperature Gas-cooled Reactor) at Shidao Bay in Shandong Province. It uses two pebble-bed reactors driving a single steam turbine with a net electrical output of about 210 MW. It is the world’s first commercial Generation IV reactor. It is also completing Linglong One (ACP100) on Hainan Island, a 125-MWe pressurized water SMR intended as the country’s first commercial light-water SMR. It is expected to begin commercial operation towards  the end of this year.

Until these technologies become commercially available at scale, natural gas—and potentially coal-fired generation during periods of peak demand—could remain the primary sources of reliable baseload power.

A water crisis

The challenge extends beyond electricity. Semiconductor manufacturing and hyperscale data centers are among the world’s most water-intensive industries, requiring substantial volumes for wafer fabrication, cooling systems and process operations. Surface water harvesting at the New Clark City site is projected to yield a maximum of about 20 million cubic meters annually, equivalent to less than 55,000 cubic meters per day. That supply may prove insufficient if multiple fabrication facilities and large-scale data centers begin operating simultaneously, potentially increasing competition for water resources unless stringent recycling, reclamation and advanced cooling technologies are adopted.

The Asean Silica?

Pax Silica is also creating a new technology geography in Asia. Rather than operating through ASEAN as a bloc, the initiative is building a network of like-minded countries with trusted semiconductor, AI and critical mineral supply chains. This could reshape investment flows across Southeast Asia, with member countries potentially gaining preferential access to future high-value technology projects while non-members pursue alternative partnerships. Malaysia, Indonesia and Vietnam have so far prioritized bilateral industrial and trade agreements while continuing to develop their own semiconductor ecosystems rather than joining Pax Silica as of now.

Thailand needs special mention because it has Siam Silica–an industrially driven, self-draw roadmap for creating indigenous semiconductor capabilities, strengthening local companies, commercializing research and developing its own talent base. The strategy was formally unveiled in June this year and expanded into the Siam Silica Framework in July. It is led by the Thai government through the Ministry of Higher Education, Science, Research and Innovation, together with the National Research Council of Thailand (NRCT) and the National Higher Education, Science, Research and Innovation Policy Council (NXPO).

Should we Pax Silica? Yes, we don’t.

The point of this opinion is not whether the Philippines should pursue advanced manufacturing or become a trusted partner in resilient technology supply chains. Rather, it is whether the supporting infrastructure can be developed at the same pace as industrial expansion. If electricity generation, transmission capacity, water infrastructure and renewable energy deployment fail to keep up with demand, the country risks shifting the environmental burden to the wider Luzon grid while delaying its own climate and energy transition goals.

The challenge for policymakers is to ensure that industrial and energy policies advance together. Future technology hubs should be required to maximize energy efficiency, secure dedicated renewable power where feasible, deploy closed-loop water recycling systems and adopt advanced cooling technologies that minimize resource consumption. Without corresponding investments in clean generation, grid modernization and sustainable resource management, Pax Silica could become a catalyst for economic growth while simultaneously increasing pressure on the Philippines’ energy system and complicating both national and regional decarbonization efforts.