Energy requirement of the Silvertown Road Tunnel boring machine

Questions to the Mayor of London – answered on 18th May 2022.

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Photo of Zack Polanski Zack Polanski Green

The Energy and Carbon Statement for the Silvertown Road Tunnel had an estimated baseline construction energy demand of 32,338 MWh. Could you provide the expected daily power demand for the Tunnel Boring Machine (TBM) and all associated plants when boring operations commence, and the total power demand for all boring operations?

Photo of Sadiq Khan Sadiq Khan Mayor of London

Overall, for all tunnel boring operations 32,000 MWh is expected to be needed, this includes all plant used in tunnelling not just the TBM. The daily energy demand will vary depending on the particular operations taking place and therefore no specific figure per day is available at this time.