Dresden

DREWAG - Flexible combined heat and power plant (CHP)

Dresden, Germany

90 MW of electrical and 84 MW of district heating output

Discover the details of the cooperation between Wärtsilä and public utility company DREWAG. By building a new 90 MW flexible CHP engine power plant in the city of Dresden, we are supporting Germany’s larger move towards a renewable energy future.



THE CHALLENGE
Need for continuous and reliable electricity and district heating to Dresden city
Need to increase the share of renewables in the power system and balance the intermittency of renewable energy
Need to ensure that the plant will start and operate reliably in a matter of minutes
WÄRTSILÄ´S SOLUTION
Wärtsilä 31SG based combined heat and power engine power plant
Extremely flexible and efficient Wärtsilä 31SG engines operating on natural gas and reaching full output from start-up in a matter of only a couple of minutes
Professional maintenance of the power plant with 10-year maintenance agreement
BENEFIT
Efficient electricity and heat generation. Safe, reliable, clean, and affordable energy
Minute-by-minute power production providing a perfect balance to renewables
 Guaranteed maximised asset performance, availability and profitability, extremely high starting reliability and safe operation of the power plant


One of the largest Wärtsilä-built CHP engine power plant will enable DREWAG, the local utility company, to give a concrete answer to the energy transition in Dresden. The Wärtsilä engines can reach full output from start-up in a matter of minutes. This enables immediate balancing of the grid as the system utilises more and more energy from intermittent renewable sources, such as wind and solar. DREWAG is well known as a leader in applying the latest and most progressive technologies. Therefore, the power plant contract represents a valuable endorsement of Wärtsilä as an energy system integrator – our capabilities to understand, design, build and serve optimal power systems for future generations.

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Main data

   Customer   DREWAG
   Type   Wärtsilä 31SG based combined heat and power (CHP) engine power plant
   Operating mode   Flexible, power oriented production with district heating production, also supply for balancing power in different markets
   Gensets   8 x Wärtsilä 31SG
   Total output   Over 90 MW electrical and approximately 84 MW of district heating
   Fuel   Natural gas
   Scope   EPC and guaranteed asset performance agreement for ten years, with a five-year extension option
   Delivery   Operational in 2021 

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