Sinomach Group is advancing regional green development by harnessing its strengths in clean energy innovation and application. Through landmark wind and solar projects, the group is building new momentum for industrial transformation and sustainability.

Guangxi 100-megawatt wind power project fully grid-connected

The 100-megawatt wind power project in Tianlin county, Guangxi Zhuang autonomous region — designed by China Machinery International Engineering Design & Research Institute (CMIE), a subsidiary of Sinomach — has recently achieved full grid connection and begun trial operations. As a key project under Guangxi's 14th Five-Year Plan (2021-25) for energy development, it marks a significant step in accelerating the region's clean energy transition.

The project comprises 20 wind turbines, supporting collection lines and a 220-kilovolt step-up substation. With an expected annual output of over 200 million kilowatt-hours, it will supply clean electricity to approximately 80,000 households.

Innovative engineering methods were employed throughout the project. CMIE introduced a pioneering prefabricated cabin-type step-up substation and adopted a "factory prefabrication plus on-site assembly" model for wind turbine foundations, reducing on-site workload by 40 percent.?

A Building Information Modelling collaborative management platform facilitated efficient project execution, using a "daily construction sand table simulation plus weekly technical coordination meetings" mechanism to keep design change response times under 24 hours. These innovations ensured the project's timely grid connection and power generation.

Shanxi 22.2-MW solar arrays?successfully connected

Progress is also underway in Xia county, Shanxi province, where China United Northwest Institute for Engineering Design & Research, another Sinomach subsidiary, reported the successful grid connection of the first 22.2-MW photovoltaic array in a 100-MW solar engineering, procurement and construction project.

Covering roughly 200 hectares, the project includes a 220-kV step-up substation and is designed for a 25-year operational period under a full grid connection model. Once fully operational, it is expected to generate about 15,000 kWh of clean electricity annually.?

Compared to traditional coal-fired power generation, this will save an estimated 47,000 metric tons of standard coal and reduce carbon dioxide emissions by approximately 128,000 tons per year — delivering substantial economic, environmental and social benefits.