China Loads Fuel in New Hualong One Reactor

Taipingling Unit 2 Reaches Nuclear Milestone

China General Nuclear Power Group (CGN) completed the first nuclear fuel loading of Unit 2 at the Taipingling Nuclear Power Plant on May 3, marking a critical transition from construction to nuclear commissioning. The plant, located in Guangdong province, is the first Hualong One nuclear construction base in China's Greater Bay Area — the economic mega-region linking Guangzhou, Shenzhen, and Hong Kong.

The milestone moves CGN one step closer to full completion of the project's Phase 1, which includes 2 reactor units. Unit 1 already completed its 168-hour trial operation on April 19, 2026, and is now commercially operational.

What Is Hualong One?

Hualong One (HPR1000) is China's domestically developed Generation 3 nuclear reactor technology, designed with full intellectual property ownership. It represents Beijing's push to become a global leader in nuclear energy exports and reduce dependence on Western reactor designs from companies like Westinghouse and EDF.

Taipingling Unit 2 broke ground on October 15, 2020. CGN says the project incorporated lessons learned from Unit 1's construction and commissioning, resulting in optimized construction processes and management workflows.

Key technical highlights of the Unit 2 build include:

• Successful completion of hot functional testing before fuel loading
• Deployment of digital handover systems for construction-to-operations transition
• Implementation of a spare parts digitalization program
• Use of exoskeleton robots and other smart applications on-site
• Streamlined workflows based on Unit 1 operational experience

Digital and AI Tools Reshape Nuclear Construction

The Taipingling project stands out not just for its reactor technology but for its embrace of digital transformation in nuclear construction. CGN's use of exoskeleton robots — wearable robotic systems that augment human workers' strength and endurance — signals a broader trend of applying robotics and AI-driven tools in high-stakes energy infrastructure.

Digital twin technology and digitalized spare parts management also reduce human error and accelerate maintenance workflows. These innovations align with China's broader 'smart manufacturing' strategy across critical industries.

Massive Scale: 6 Reactors Planned

Taipingling's full buildout calls for 6 Hualong One reactor units. Once all 6 are operational, the plant is projected to deliver significant output:

• Annual power generation: over 55 billion kWh
• Green GDP contribution: more than $2.8 billion (RMB 20 billion+)
• Coal savings: approximately 16.65 million metric tons of standard coal equivalent per year

For context, 55 billion kWh could power roughly 5 million average U.S. households for a year. The coal displacement alone represents a meaningful contribution to China's carbon neutrality targets.

Why It Matters for the Global Energy Market

China's aggressive nuclear buildout carries implications well beyond its borders. The country currently has more reactors under construction than any other nation, and the Hualong One design is already being exported — Pakistan's Karachi units use the same technology.

Western nuclear companies, including Westinghouse (U.S.) and EDF (France), face growing competition from CGN and its state-backed sibling CNNC in emerging markets across Asia, the Middle East, and Africa. The Taipingling project serves as a domestic showcase for the Hualong One platform's reliability and scalability.

As countries worldwide reconsider nuclear energy amid climate goals and surging electricity demand from AI data centers, China's ability to deliver reactors on schedule and at scale gives it a significant competitive edge. The successful batch construction model at Taipingling — where each successive unit benefits from the previous one's experience — is exactly the kind of industrialized approach that nuclear advocates in the West have long called for.

What Comes Next

Unit 2 now enters the nuclear commissioning phase, which involves gradually raising reactor power levels through a series of tests before commercial operation begins. CGN has not announced a specific target date for Unit 2's commercial launch, but the rapid progression from Unit 1 suggests it could come within months.

Construction timelines for Units 3 through 6 have not been publicly detailed, but the batch-building approach means CGN is likely already well into planning and early construction phases for subsequent units.