How Kier led the switch to Hybrid Battery Generators


Kier is switching to the use of battery storage units (BSU) alongside generators to support its net zero carbon strategy.  

Kier van
Credit: Kier
by Rory ButlerDecember 1, 2022

The firm is the first UK business to mandate the initiative, following a trial of 10 BSU across its sites. 

Kier has seen a monthly saving per unit of seven tonnes of carbon, an overall reduction in generator run time of 59%, and a cost saving of more than £2,000, after hire costs. 

Generators and BSU provide a simultaneous source of electricity to site. When the BSU is running low, the generator automatically starts and recharges it, turning off once fully charged. 

This means generators can be downsized, leading to fuel savings, and reducing costs and carbon. 

Kier’s target is for a 65% reduction in business operations carbon by 2030. 

“This is a positive step forward for us to achieve the commitments laid out in our Building for a Sustainable World framework,” said Chris Lilley, Kier Group health, safety, wellbeing and sustainability director. “It will help us to reduce our greenhouse gas emissions in line with our pathway to net zero, outlined in our carbon reduction plan.” 

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