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Power resilience for a net zero world

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EV Charging

Organisations considering electrifying their vehicle fleet have several barriers to overcome.

One of the most significant, but least well understood, is the limits of the grid supply. Resilience+ enables you to implement Electric Vehicle (EV) charging without upgrading your electrical infrastructure and supply from the National Grid. This is done by using a Powerstar Battery Energy Storage System (BESS) as a buffer between the EV charging installation points and your grid connection.

The transition to EV

As part of the UK Government’s goal to achieve net zero carbon by 2050, the sale of new petrol and diesel cars will be banned from 2030. Alternate technologies will need to be widely adopted. The most mature of these alternatives is Battery Electric Vehicles (BEV or more commonly EV).

EVs are rapidly gaining market share around the world, but there is still a lot of work to get to the point where the technology is ready to take over from internal combustion engines entirely.

In 2014, only 1 in 200 new vehicles sold in the UK was an EV. That grew to 1 in 10 by 2020. That is impressive growth but the annual sale of EVs will need to rise from 150,000 to approximately 2.4 million before 2030.

A Rapid EV Charger
The impact of transitioning to EV

To enable rapid adoption of EVs, there is an urgent need to create access to charging facilities. A fleet of service or delivery vehicles will need on-site charging. These will probably be rapid chargers, to ensure that the vehicles and personnel are not idle waiting for charging to complete.

As employees adopt EVs they will also expect to charge their cars while at work. The highest speed chargers currently being installed require as much as 350kW of power each. Putting that into perspective, it is twice the demand of the entire Powerstar factory.

Implementing rapid or multiple EV chargers at your facility may not be possible without paying for an additional or upgraded grid connection. That is a major infrastructure project and can cost anywhere between £100,000/MW and £1.7 million/MW. In some cases, an application for a new connection may simply be refused. They can also take years to be implemented.

Read our blog on why your facility might not be ready for EV charging

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Supporting EV charging with battery energy storage

So how can you implement EV charging without paying millions of pounds to upgrade infrastructure?

Connecting EV chargers directly to the grid means you have very little control over how the energy is used and where it comes from. Battery Energy Storage Systems can be used as a buffer between your EV chargers and your grid connection.

The battery can be charged more gradually and constantly than the vehicles. This can remove the requirement to upgrade your electrical infrastructure and avoid hefty fines for exceeding your authorised capacity from the grid.

This battery buffered EV charging also allows you to do more than just charge your fleet of EVs. It can get the most out of on-site generation, such as solar panels or a Combined Heat & Power (CHP) system, by using that energy to charge your vehicles.

A battery energy storage system can be charged when electricity is cheap, such as overnight, and charge EVs throughout the day when electricity is more expensive. Additionally, the battery energy storage system can provide your site with comprehensive power resilience. With the integrated Uninterruptible Power Supply (UPS), your site will be protected in the event of a failure or drop in the grid supply, keeping your operations running.

The Powerstar system’s biggest benefit is its ability to do all the above simultaneously. This is possible through sophisticated microgrid control software, to manage and prioritise the power flows in real-time.

Contact us to discuss how we could help your organisation install and implement EV charging capabilities

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Related case studies


AESSEAL needed help protecting their operations from power disruptions while driving forward net zero strategies.

South Staffordshire Council

South Staffordshire Council were looking to install a battery energy storage system that provided them with site-wide UPS resilience

Stoba Prazisionstechnik UK Ltd

Stoba is a mass manufacturer and supplier of metallic parts and high quality components to the automotive industry that operates internationally.

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