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Things hotting up with Minworth STW CHP Replacement

Minworth STW is an important renewable energy generating plant for Severn Trent Water, generating around 55 GWh of electricity each year. The current fleet of CHPs includes 5 Waukesha CHPs (7.5MW), 1 of these CHPs has failed and is beyond economic repair, and the other 4 Waukesha CHPs are obsolete and pose a risk of failure.

It is planned to replace three of the Waukesha CHP's with new more efficient units that will deliver further OPEX savings from increased efficiency, as well as providing increased reliability and reduced maintenance costs.

Franklyn Yates Engineering have been working alongside Mott MacDonald Bentley (MMB) to come up with an alternative hot water route and temporary pipework system that has resulted in substantial cost savings for Severn Trent Water on this project and continue to work in our clients best interests with further savings on the project using our extensive experience and expertise in renewable energy generation systems. 

This project includes fabrication and installation of stainless steel pipework and installation of plant including:

  • 3 no. new jenbacher CHP engines (pipework only) installation by others.
  • New dehumidification plant and associated pipework
  • New gas booster sets and associated pipework
  • New siloxane removal plant and associated pipework
  • New virtual air stack
  • New Lubrication oil tanks and associated pipework
  • New compressed air system

If you would like to find out more about this project, please feel free to contact us at

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