The “Never-Power-Off” Guardian of the Duoxiong River Valley: An On-Site Record of Sushui Tech’s DMFC Avalanche Monitoring Station

On a snow-covered plateau at an altitude of several thousand meters, an independent power supply system that requires no grid and fears no severe cold

The Duoxiong River Valley, on the border between Milin County and Motuo County in Nyingchi City, Tibet, is a typical deeply incised canyon and a high-incidence area for avalanches. The climate along the Paimo Highway is highly variable, and natural disasters such as avalanches, landslides, heavy rainfall, and debris flows occur frequently. On January 17, 2023, an exceptionally large avalanche occurred at the exit of the Duoxiongla Tunnel. The avalanche deposit stretched for 3 kilometers, destroying 17 vehicles and trapping more than 81 people. This disaster once again served as a warning: building a reliable avalanche monitoring and early warning system brooks no delay.

However, when constructing monitoring stations in high-altitude plateau avalanche areas, power supply is one of the most intractable challenges—the grid cannot reach them, solar panels are often covered by snow, and conventional diesel generators suffer sharp efficiency drops or even fail to start in low-temperature, oxygen-deficient environments.

Sushui Tech’s direct methanol fuel cell (DMFC) system provides a convincing answer.

In October 2024, at an avalanche monitoring station along the road in the Duoxiong River Valley, Sushui Tech’s DMFC fuel cell system was officially installed and put into operation. Equipped with a dedicated low-temperature protective enclosure, the power supply system can operate normally in extreme environments as low as -40°C, providing continuous and reliable power for avalanche monitoring equipment. The project was implemented by Sushui Tech in cooperation with the team of Academician Cui Peng of the Chinese Academy of Sciences, aiming to use clean energy technology to solve the challenge of monitoring power supply in extreme plateau environments.

(Photographed at the project site on October 29, 2024)

Why can DMFC handle this task on the “Roof of the World”?

First, it is “freeze-resistant.” Methanol has an extremely low freezing point and is naturally frost-resistant, enabling DMFC to operate normally without degradation even in extremely cold environments. With a dedicated low-temperature protective enclosure, the system can operate stably under harsh conditions as low as -40°C. Dozens of degrees below zero—an extreme limit for most electronic equipment—is still within the reliable operating range of Sushui Tech’s DMFC. Publicly available international literature also shows that a DMFC product completed a continuous power supply test at an altitude of 5,570 meters and -38°C, fully verifying the engineering feasibility of this technical route under extremely cold plateau conditions.

(Photographed in the winter of 2024)

Second, it is “hypoxia-tolerant.” Conventional diesel generators suffer severe power loss on the plateau due to thin oxygen, while the oxygen consumption of the stack reaction is far lower than that of a diesel generator, making it better suited to the plateau environment.

Third, it offers “long endurance and low cost.” DMFC has high energy density; simply put, 1 L of methanol can generate about 1 kWh of electricity, enabling extremely long unattended operation. With long fuel replenishment intervals and low fuel consumption, it greatly improves the reliability of the power supply system at extremely low operating cost.

Fourth, it is “clean and quiet.” During operation, DMFC's main product is water vapor. It is quiet, produces no waste emissions, and generates no electromagnetic interference, so it has no impact on the precision sensors of monitoring equipment.

(Sushui DMFC at the avalanche monitoring station in the Duoxiong River Valley)

Guarding Lives with Field-Proven Data

“Sushui’s fuel cell is a sharp sword in geological disaster monitoring,” said a staff member from the Nyingchi Geological Hazard Risk Prevention and Control and Engineering Safety Research Center. Since its deployment in October 2024, this DMFC power supply system has withstood the severe test of an entire winter at the Duoxiong River Valley avalanche monitoring station—there were no further monitoring interruptions caused by power supply issues during the winter. Supported by stable, uninterrupted power, the monitoring station achieved all-weather operation, all avalanche events were warned in advance, and zero casualties were achieved.

In the 2025 snow season, another avalanche occurred in the Duoxiong River Valley (see figure below). Thanks to the continuous power supply from the DMFC system, the monitoring equipment fully captured the entire disaster process, early warning information was issued in advance, and passing vehicles and personnel were evacuated in time—this “never-power-off” power supply system is the never-sleeping eyes of the early warning system.

(Avalanche monitoring footage on February 25, 2025)

Future-Oriented Remote Intelligent Operation and Maintenance

Building on this, Sushui Tech has independently designed and developed a supporting cloud monitoring platform. In the future, all DMFC devices deployed in high-cold uninhabited areas will be able to upload operating data in real time to the cloud platform through the remote monitoring system. Operation and maintenance personnel will not need to travel to the site; they can remotely view equipment status, power supply data, and fault warnings at any time, truly realizing an intelligent operation and maintenance model of “uninhabited areas, managed by people.” It also supports connecting power supply and equipment status data to disaster risk early warning platforms in various regions through open APIs, providing more precise data support for early warning systems. This capability will lay a solid foundation for the low-cost, high-efficiency operation of more extreme-environment projects in the future.

(Sushui Tech’s self-developed fuel cell cloud management platform)

From the laboratory to the snow-covered plateau, Sushui Tech uses its independently developed direct methanol fuel cell technology and clean, reliable power to quietly guard one of China’s most treacherous highways. In the future, the company will continue to deepen its work in extreme-environment power supply technology, enabling more critical monitoring equipment in uninhabited areas to “never lose power and never lose connection,” contributing solid strength to life safety and disaster prevention and mitigation.

About Sushui Tech

Sushui Energy Technology (Shanghai) Co., Ltd. (referred to as “Sushui Tech”) was founded in 2017 and focuses on the independent research and development and industrialization of direct methanol fuel cells (DMFC), mastering full-chain technologies from core materials to system integration. The company provides independent power supply solutions for critical IoT applications in extreme environments. Its products have been successfully deployed in scenarios such as avalanche monitoring and geological disaster early warning, and can also be used for power supply in uninhabited areas such as glacial lake monitoring and emergency communications, protecting life and ecological security with stable and reliable clean power.