Pivot Power, UK

swb Erzeugung – Flexible combined heat and power plant (CHP)

Bremen, Germany

105 MW of electrical and 93 MW of district heating output

Together with consortium partner Uniper, Wärtsilä enables a revenue-adding transition from coal to gas for public utility swb Erzeugung in Bremen. Learn more about Bremen’s new 105-MW CHP plant and its ultra-flexible W31SG engines, which align environmental goals with economic sense.

Efficient and sustainable power and heat generation is extremely important, both for our company and for the German energy sector in general. We are going to replace an outdated coal burning plant with a modern, clean, reliable and extremely efficient solution, which will provide the flexibility needed today.
Jens-Uwe Freitag, Chief Executive Officer, swb Erzeugung GmbH & Co. KG, Bremen

Wärtsilä Energy Transition Talks

Requirement for quick response to the volatile day-ahead and intraday electricity markets
Need to ensure power plant performance and optimise its maintenance
Demand for flexible heat and energy generation to balance renewable energy sources
Commitment to environmentally friendly and profitable gas generation to replace old coal-fired power plant
Ultra-flexible gas engines, capable of reaching full load within a few minutes
A 3-year Wärtsilä Guaranteed asset performance agreement, including all maintenance services and remote support
Wärtsilä 31SG engines with the highest efficiency and fuel economy on the market
Multi-unit Wärtsilä CHP power plant with high operational flexibility
Maximising revenue with power plant capable of being dispatched exactly as needed
Guaranteed engine and auxiliary equipment performance and optimised maintenance costs
Reducing environmental footprint and lowering total cost of ownership
Flexible generation, allowing efficient heat and energy production at any load

Main data

swb Erzeugung GmbH und Co KG
Consortium leader
Wärtsilä CHP flexible gas engine power plant
Operating mode

Flexible baseload in wintertime, flexible peak load in summertime
9 x Wärtsilä 31SG
Total output
 105 MW
Output for district heating
93 MW
Natural gas
Lifecycle solution
A 3-year Guaranteed asset performance agreement with an option for seven more years

In Bremen, public utility swb Erzeugung is paving the way for renewable generation by replacing an old coal-fired combined heat and power (CHP) plant with flexible gas generation. Powered by the latest Wärtsilä technology, the new CHP gas engine power plant offers heat and flexible baseload in the winter and shaves peaks in energy demand in the summer, all the while making great economic sense for its owners.

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