MAN Energy to build new CHP plants for German city

MAN Energy to build new CHP plants for German city
Published: 22 August 2019 - 8:19 a.m.
By: Baset Asaba

MAN Energy Solutions has been commissioned to build two engine-powered combined heat and power plants in the German city of Chemnitz.

The two plants, MHKW Nord and Altchemnitz, will be operated with seven and five MAN gas engines respectively, each with an electrical output of 12.6 MW.

The plants will supply the city in eastern Germany with just under 150 MW of electricity and over 130 MW of thermal output.

The deal for the plants bis with energy service provider eins energie in Sachsen. MAN Energy will initially assume responsibility for servicing the gas engines for a total of 40,000 operating hours.

A service package also includes the remote monitoring solution PrimeServ Assist, which is based on the MAN CEON digital infrastructure and allows for the processing of quasi-real-time data.

“Following the commissioning of the new boiler system in July, the construction of the new power plants represents the next milestone in our project 'New heat for Chemnitz',” explained Roland Warner, chairman of eins.

“With this project, we are reducing CO2 output to around 60 per cent. We have decided on the use of gas engines for power generation and are consequently investing in the − from our perspective − most progressive and flexible thermal power plant technology, as this is also be the most environmentally friendly solution. In addition to conventional natural gas, the engines can also be powered with climate-friendly fuels such as biogas or synthetic gas. Looking ahead, it will therefore be possible to reduce emissions even further.”

Wilfried von Rath at MAN Energy said that “municipal enterprises such as eins are the backbone of the energy transition and public services in Germany, since they guarantee a safe and climate-friendly energy supply to millions of people.”

Hajo Hoops, senior manager of the Power Plant division at MAN Energy Solutions, said the engines that will be deployed at Chemnitz “are among the most efficient worldwide. The high overall efficiency in the utilization of fuel, the modular design and flexible control system for the plants make a significant contribution to reducing the greenhouse gases that are emitted.”

The MHKW Nord plant is being built on the site of a previous lignite-powered power plant, which was demolished in 2004. A photovoltaic system that had been operating on the site since then has already been transferred to a new location. The second CHP plant will supplement the heating boiler system at the Altchemnitz heating plant, which is also powered by natural gas and was upgraded in July.

The new power plants are set to commence operations in 2022. The project will be implemented in two steps. Firstly, approvals for all the planned plants will be obtained. The final investment decision regarding implementation will then be made once these are present.

Hoopes added: “Municipal providers today are facing new challenges when it comes to modernizing their supply infrastructure. In addition to the security of supply, climate compatibility is taking on increasing significance. Viewed from this perspective, only plants that can be powered in a climate-neutral fashion are truly future-proof. This is something that gas engines can accomplish.

“Furthermore, the power plants need to be able to assert themselves in an increasingly complex market, where flexibility is becoming more and more of a hard currency. Our gas engines can go from being idle to operating at full load in the space of three minutes and can be shut down even faster. Hardly any other technology offers this level of flexibility.”

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