A ground-breaking ceremony for the combined heat and power (CHP) plant to be engineered, procured and constructed by Wärtsilä in Dresden-Reick, Germany, took place on 22 April. Commissioned by the local public utility DREWAG to secure reliable energy supply while increasing the share of renewables, the power plant will feature Wärtsilä 31SG gas engines and deliver up to 90 MW of electrical as well as 84 MW of district heating output for the city of Dresden. The award of the contract to Wärtsilä was announced in January 2019.
Foundation works are ongoing at the power plant site, and the ground-breaking ceremony signals the beginning of construction works. The ceremony at the site in Dresden-Reick was attended by a limited audience, among them Mayor Dirk Hilbert and DREWAG Managing Director Dr. Frank Brinkmann. Delivery of the eight Wärtsilä 31SG engines will take place in late summer 2020, and the power plant is scheduled to become operational in 2021. Wärtsilä will maintain the plant under a Wärtsilä Guaranteed asset performance solution for ten years, with a five-year extension option. Performance targets are determined based on measured data and Wärtsilä guarantees the targets are met and maintained throughout the duration of the agreement.
With this flexible CHP gas engine plant, DREWAG is investing in the highest level of efficiency and emission control systems to supply safe, clean, and affordable energy, while further committing to a higher share of renewable energy sources. The eight Wärtsilä 31SG engines operating on natural gas, are extremely flexible and have the highest efficiency on the market. In DREWAG’s power plant they are capable of reaching full output from start-up in maximum five minutes and synchronize with the grid in less than 30 seconds to provide immediate balancing of the grid. This means that the system cannot only balance more intermittent renewables like wind and solar to support the power plant owner in the energy transition towards renewable energy sources. Additionally, the engine technology is also designed to produce minute-to-minute power when it is most valuable and can be sold in the day-ahead, intra-day as well as balancing power markets, and the plant can operate on the secondary balancing market in Germany even from stand still.
"The new CHP plant enables us to provide a concrete response to the energy transition in Dresden. We are focusing on renewable energies as well as on security of supply, because the plant with its high flexibility of use and black start capability does both," said Dr. Frank Brinkmann.
“We are very excited about this major CHP project. It represents an important milestone for us in the German market with our new and extremely flexible Wärtsilä 31SG engines,” says Pekka Tolonen, Director of Energy Business, Europe at Wärtsilä. “It is great that DREWAG has committed to applying the latest flexible power generation technology, which enables the share of renewables to be increased by ensuring that the plant will start very quickly and operate reliably in variable conditions. Over the last two months, because of the COVID-19 impact, the relative share of renewables has increased to unprecedented levels. This imposes a challenge to grid stability and the resilience of different power generation technologies in a very intermittent environment. It has become increasingly evident that future-proof, flexible gas engine technology is the best means to unlock the full potential of renewables, and to support the ambitious energy transition in Germany. We are very proud of the fact that DREWAG has shown its trust in our capabilities as the journey to cleaner, cheaper and more reliable power gains pace."
Image caption texts:
Power plant to be engineered, procured and constructed by Wärtsilä in Dresden-Reick, Germany, will deliver up to 90 MW of electrical and 84 MW of district heating output for the city of Dresden. Image courtesy of DREWAG.
A ground-breaking ceremony for the combined heat and power (CHP) plant to be engineered, procured and constructed by Wärtsilä in Dresden-Reick, Germany, took place on 22 April 2020. Image courtesy of DREWAG.
Earlier published press release: Wärtsilä provides efficient and flexible 90 MW power plant to supply electricity and district heating for Dresden, Germany
Reference case DREWAG - Flexible combined heat and power plant (CHP)
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Wärtsilä Energy Business in brief
Wärtsilä Energy leads the transition towards a 100% renewable energy future. We help our customers unlock the value of the energy transition by optimising their energy systems and future-proofing their assets. Our offering comprises flexible power plants, energy management systems, and storage, as well as lifecycle services that enable increased efficiency and guaranteed performance. Wärtsilä has 72 GW of installed power plant capacity in 180 countries around the world.
Wärtsilä in brief
Wärtsilä is a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets. By emphasising sustainable innovation, total efficiency and data analytics, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers. In 2019, Wärtsilä’s net sales totalled EUR 5.2 billion with approximately 19,000 employees. The company has operations in over 200 locations in more than 80 countries around the world. Wärtsilä is listed on Nasdaq Helsinki.