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Power resilience for a net zero world

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Case Studies

Supermarket Chain





A supermarket trolley on a supermarket aisle

The client is a major supermarket chain with multiple stores and distribution centres across the UK. The company actively and continuously explores ways that it can improve its sustainability from farm to shelf, and actively looks at new technologies available which can help contribute towards its goals. Electricity costs account for a sizeable portion of supermarkets costs due to their need to operate strictly temperature controlled areas even when the stores are closed as well as catering for customer satisfaction through air conditioning and lighting, for extended, and even 24/7 operating hours.


After a full and thorough site survey and analysis of the site requirements, Powerstar recommended the installation of a 286kWh VIRTUE Battery Energy Storage System (BESS) combined with voltage optimistion and Uninterruptible Power Supply (UPS) capabilities. The full UPS capabilities of Powerstar’s VIRTUE solution provides a site wide backup and keeps the supermarkets operations running seamlessly at all times, even in the case of a grid power loss. The installation is based at one of it’s stores in Cornwall in the South West of the UK.


Following installation in 2015, the store is benefitting from a 31% reduction in energy costs. The unit is providing the site with an optimised voltage output, ability to access additional revenues through grid contracts and supply resilience with peace of mind through its UPS capabilities.


reduction in energy costs

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Power Resilience

The ability to continue your core activities without impact from disruption to your power supply.


Energy Efficiency

Increase the efficiency of your site’s energy to reduce costs and CO2.


Voltage Optimisation

Optimising the incoming voltage to your site to improve quality, saving energy and costs.


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