Scottish Water has completed a solar power and battery storage scheme – the water company will now be able to access renewable energy around the clock to help power one of its sites in Renfrewshire.
The scheme, at Linwood Wastewater Pumping Station, has seen nearly 2,000 ground-mounted solar panels installed at the site alongside 12 battery racks, helping to capture and store renewable power for use when it is needed most.
The solar panels are expected to generate up to 0.97GWh of green electricity each year, with around 53 per cent of the energy generated used directly on site, reducing operational costs, improving energy resilience and reducing reliance on grid electricity.
This will meet about half of the pumping station’s overall energy demand and help to reduce carbon emissions by an estimated 147 tonnes annually.
The rest of the energy generated will be exported to the national grid for use. The project, which is the third battery storage scheme to be installed on a Scottish Water site, has been led by the publicly owned utility’s commercial subsidiary Scottish Water Horizons and delivered by renewables specialist OCS.
Ian Mailer, OCS Divisional Manager - Support Services, explained:
“This was a first-of-its-kind system for us, and it let us make the most of the site. The way we connected the solar panels and batteries meant we could fit in far more solar capacity than would normally be possible within the limits of the grid connection."
New hedgerows and wildlife habitat features are also planned as part of biodiversity enhancements at the site.
Scottish Water Horizons Project Manager Alan Mearns said:
“This project demonstrates how we are using innovative technologies, including battery storage, to get the most from renewable energy generated on site.
“By capturing and storing energy to use at strategic times, we can improve resilience, significantly reduce operational costs and carbon emissions from this site and make our operations more efficient.”
Scottish Water Operations Team Leader Jim Reid added:
“Pumping stations operate around the clock to deliver essential services for local communities, so energy use is significant.
“The ability to store energy on site means we can use the renewable power generated in the most effective way and reduce our dependence on the grid, while continuing to provide a reliable service for customers.”
The Linwood pumping station plays a key role in transporting wastewater for treatment, making it an energy-intensive part of Scottish Water’s network.
The project is part of a wider programme of investment in renewable energy and low-carbon technology across Scottish Water sites, supporting the utility’s goal of reaching net zero by 2040 while creating sustainable, resilient services for communities across Scotland.
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