Southeast Asia’s Largest Solar Project Developed by China Goes Online in Laos

Southeast Asia’s largest solar power project goes online in Laos, generating 1.65 billion kWh annually through a China-developed mountainous photovoltaic facility.

By: AXL Media

Published: Apr 8, 2026, 7:55 AM EDT

Source: Information for this report was sourced from CGTN

Inauguration of a Regional Green Energy Landmark

The northern Laos interconnection clean energy base officially launched its first phase on Tuesday, marking the start of operations for Southeast Asia’s largest solar power project. Developed by the China General Nuclear Power Group (CGN), this one-gigawatt facility is the first large-scale mountainous photovoltaic project in Laos. The project is designed to utilize the unique geography of the region to generate high-capacity renewable energy, signaling a shift toward sustainable industrial development in the Southeast Asian corridor.

Environmental Impact and Energy Output

Upon reaching full operational capacity, the solar station is projected to produce approximately 1.65 billion kilowatt-hours of electricity every year. This massive output is expected to have a significant environmental footprint, saving roughly 500,000 tonnes of standard coal and preventing the emission of 1.3 million tonnes of carbon dioxide annually. These figures highlight the project's role in helping Laos transition away from fossil fuel dependency while contributing to broader global climate goals.

Technological Integration and Connectivity

The facility is equipped with 2.23 million solar panels across its mountainous site. According to Wang Yang, a senior official with CGN Energy International’s Laos unit, the project leverages the existing China-Laos 500-kilovolt interconnection line. This infrastructure enables seamless cross-border power connectivity, allowing the clean energy generated in Laos to support regional energy complementarity. The integration ensures a stable electricity supply for the local population while strengthening the grid ties between the two neighboring countries.