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Article Date: 1st April 2019

ABB Wins its Biggest ever UK Service Contract

Dinorwig Power Station - First Hydro Company - Circuit Breaker

ABB Power Quality - Dinorwig Power Station

Following a competitive tender, ABB has won its biggest ever service contract in the U.K. to replace one of six GCBs at the Dinorwig Power Station in Wales for $4.5 million. ABB will be providing the high-voltage service to First Hydro Company, which is owned 75 percent by ENGIE and 25 percent by Brookfield Renewable. It will continue to work with them as it replaces the site’s other five units by 2028.

The team at ABB is familiar with the site, as it supplied the facility’s original GCBs and has delivered regular maintenance services ever since. First Hydro Company turned to ABB again to replace the time-served unit with the latest state-of-the-art circuit breaker technology in the form of ABB’s HEC130 GCBs, which only requires overhaul after 20,000 operations (or 20 years).

In order to install the first GCB, ABB will completely dismantle and remove all equipment in the busbar gallery and then install brand new equipment. It𔆍s estimated that the project will take 12 weeks, which is why ABB has created a detailed work programme. The programme ensures that the project will run to time and has outlined ways to avoid financial penalties should the power station not be available to the National Grid by the end of the outage.

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