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the country. As Simon Kendrew, Marketing & Commercial director of Equans’ EV Solutions business, says: “The first thing we look at before starting any scheme is the energy. In most cases, the ability to manage the energy demands of the chargers in the context of the available or new energy supply at the site will be critical.” This is the ‘Energy Trilemma’ which hospitals face in a nutshell – the need to find a balance between energy reliability, affordability, and sustainability. Hospitals, in common with other government premises, will also come under pressure to adopt the best practice recommended as part of the government’s new Facilities Management Strategy.3
One of the changes the new FM
strategy calls for is to include ‘better use of operating data’. This is another reason why there was so much interest in the AMRC tour, and a similar tour of Cranfield University last summer. Cranfield University and the AMRC both have battery energy storage systems operating behind the meter, which will become the ‘data heart’ of the facility. Visitors were keen to see how they can adapt such a solution to their own sites.
Potential focus on one piece of equipment Where an engineering plant might direct a storage system to energy-intensive machinery such as conveyor belts, hospitals can focus energy storage on one piece of equipment, such as an MRI scanner. As hospitals switch to electricity rather than gas for HVAC systems, the battery can be used to keep the heating and lights on at times when – as seems increasingly possible – there are energy outages. The government’s Facilities Management Strategy also calls for all public sector organisations to produce a consistent asset register, and to be aware of the condition and maintenance requirements
62 Health Estate Journal March 2023
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of each of their buildings. How does energy storage fit in with this, when it sits at the top of the energy hierarchy in terms of energy management?
Three benefits of energy storage The benefits of energy storage are often summarised as generating revenue, optimising the overall system, or solving a problem, all amply illustrated through the Nottingham project. However, second life energy storage offers a fourth value for hospitals. Delivering societal, as well as financial, benefits is another component of the new Facilities Management Strategy. All government buildings have to produce an asset register, and aim to deliver a societal, as well as a financial, benefit, to prove the ‘value they provide to all stakeholders and society’. Hospitals – by their very nature – it
could be argued, deliver societal value, but energy can and does play a part. Installing a battery energy storage system as part of a planned programme of change which helps reduce carbon emissions and manage costs has social value. Energy storage units made from second life systems increase the value to society. Our switch to a clean energy and transport system isn’t a dream for the future; it is closer and more connected to us today than we might think.
References 1 Based on a full system charge per day, the E-STOR system can capture an additional 100 MWh each year. Based on a carbon intensity of 0.18kg per kWh, it can be calculated that each system would save 18 tonnes of carbon a year.
2 Electric vehicles worldwide – statistics & facts. Statista online.
https://www.statista. com/topics/1010/electric-mobility/
3 Facilities Management Strategy 2022- 2030. Government Property Function.
https://www.gov.uk/government/ publications/facilities-management- strategy
Southest Asia Japan
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Matthew Lumsden
Matthew Lumsden is the founder and CEO of Connected Energy, a company that has designed and commercialised battery energy storage solutions using second life EV batteries.
He has worked in the renewable energy and ‘clean tech’ sector since 2000, when he joined energy consultancy, TNEI as managing director, leading the direction of strategic UK consultancy programmes. He then established an electric vehicle-related consultancy in 2009, where he was responsible for delivering several major EV trials, charging infrastructure roll-outs, V2G trials, and strategies for major industry players.
Connected Energy was ‘born out of the insight and knowledge gained in the EV industry, and the challenges facing OEMs around electric vehicle batteries’. Combining ‘the worlds of energy storage, electric vehicles and the circular economy’, the company commercialised R&D into stationary energy storage systems. Its E-STOR systems are now in operation at businesses across the UK and in Europe.
Courtesy of BloombergNEF GW
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