Please use another Browser

It looks like you are using a browser that is not fully supported. Please note that there might be constraints on site display and usability. For the best experience we suggest that you download the newest version of a supported browser:

Internet Explorer, Chrome Browser, Firefox Browser, Safari Browser

Continue with the current browser

Siemens supplies equipment for Vietnam's largest solar farm

The project, in the southern province of Ninh Tuan, will take shape by mid-2019. Solar panels will generate a combined DC voltage of 1,500 Volts (V). Inverters will convert the DC to 660 V AC, and transformers will first step this up to 33 Kilovolts (kV) and finally to 220 kV. This will then be fed into the high-voltage grid and the power distributed around the country. The components needed up to the 33 kV level are designed as a "plug-and-play MV station", and can therefore be installed as a standalone unit without major construction cost. The project will deliver up to 425 Gigawatt hours (GWh) per year. This is enough to supply approximately 200,000 households with electricity and saves around 250,000 tons of CO2.
Trung Nam Group is an investment company for the energy, infrastructure and real estate sectors. "Vietnam's need for energy is rapidly growing. To cover this demand, we must increase the share of renewables, among other things. The government is aiming at developing 18 gigawatts of generating capacity by 2030. Siemens is supporting us with our solar project so we can reach the government targets for developing renewable energy in Vietnam", says Nguyen Tam Tien, General Director at Trung Nam Group.
The four power transformers used in the Trung Nam project are to be delivered as Sensformers. As transformers are placed at critical nodes of the power grid, they are perfect sensors for grid conditions containing full information on energy flow. This new transformer class merges physics and information and equips transformers with a digital interface. This allows the operator to view its data in real-time – turning transformers into information hubs.

For further information on Division Energy Management, please see
For further information on eBoP Solutions, please see
For further information on Sensformer, please see
Siemens AG (Berlin and Munich) is a global technology powerhouse that has stood for engineering excellence, innovation, quality, reliability and internationality for 170 years. The company is active around the globe, focusing on the areas of electrification, automation and digitalization. One of the world's largest producers of energy-efficient, resource-saving technologies, Siemens is a leading supplier of efficient power generation and power transmission solutions and a pioneer in infrastructure solutions as well as automation, drive and software solutions for industry. With its publicly listed subsidiary Siemens Healthineers AG, the company is also a leading provider of medical imaging equipment – such as computed tomography and magnetic resonance imaging systems – and a leader in laboratory diagnostics as well as clinical IT. In fiscal 2017, which ended on September 30, 2017, Siemens generated revenue of €83.0 billion and net income of €6.2 billion. At the end of September 2017, the company had around 377,000 employees worldwide. Further information is available on the Internet at
Read more


Felix Michelfeit

Siemens AG

Freyeslebenstr. 1
91058 Erlangen

+49 (9131) 7-33559