Energy storage

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The Association for Renewable Energy and Clean Technology (REA) has written to ministers at the Treasury and the Department for Business, Energy and Industrial Strategy to petition for a cut to the VAT rate for domestic energy storage. The trade body also urged the ministers to introduce a temporary financial incentive for households to install storage, perhaps through the recently extended Green Homes Grant scheme.
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Gridserve has opened the first of 100 “Electric Forecourts” the company plans to build over next five years at Braintree in Essex. The station has the capacity to charge 36 electric vehicles at the same time at rates of up to 350kW.
News
The UK’s largest battery storage system to date, with a maximum power output of almost 50MW and a storage capacity of 75MWh, has begun operating at Thurcroft in South Yorkshire. The facility is owned by Gresham House Energy Storage Fund and is being traded in wholesale and balancing services markets by Flexitricity.
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At a roundtable event organised by Network in association with National Grid, delegates were invited to consider how localised energy supports the whole energy system.
Market insight

Latest in Energy storage

The UK’s first grid-scale battery storage system to be directly connected to the transmission network has begun operating in Oxford. The 50MW lithium-ion battery system is connected to Cowley substation on the outskirts of the city and has been built as part of the £41 million Energy Superhub Oxford project led by Pivot Power.
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Drax has announced plans to expand the capacity of its Cruachan pumped hydro storage plant in Scotland to more than 1GW. The company wants to build a new 600MW power station in a hollowed-out cavern to the east of the existing 440MW plant inside the Ben Cruachan mountain.
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The Green Investment Group has acquired its first grid-scale battery projects in the UK from the storage developer Capbal. The transaction covers a portfolio of seven distribution-connected battery systems with combined storage capacity of 187MWh that will be strategically located in highly congested areas of the power grid, including Scotland and the South East.
News
As the UK ramps up its efforts to achieve its decarbonisation aims, the energy and utilities sector is at the forefront of the fight against climate change. Carl Haigney, global vice president and head of retail utilities subsector at Capgemini, outlines several challenges both the sector and the government must overcome in order to set the nation on the right track towards decarbonisation. For Haigney, cutting red tape and providing the right incentives will be key.
Opinion
So Energy has launched a full-service solar and storage solution for its customers, allowing them to generate their own power and cut their energy bills. The supplier’s So Energy Solar package will see solar panels and a battery installed in customers’ homes. Speaking in response to the launch Simon Oscroft, co-founder of the retailer, said suppliers have a responsibility to "do all they can" to encourage their customers to make green choices.
News
Looming changes to network fees will significantly reduce the value of domestic vehicle-to-grid (V2G) charging, according to the findings from a government-sponsored trial. Analysis of the results suggested that V2G charging could allow drivers to save or earn £340 annually – compared to £120 per year for smart charging alone – but planned changes to network fees could see this amount chopped in half.
News
Greater flexibility could cut energy system costs by £16.7 billion per year by 2050, according to new research from the Carbon Trust and Imperial College London. The report said flexibility should be embedded into all sectors of the energy system – power, heat and transport – to reduce the impact and cost of their decarbonisation.
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Subsidiaries of Invinity Energy Systems and Siemens Gamesa Renewable Energy have signed an agreement to jointly develop a “next generation” grid-scale vanadium flow battery. Upon the completion of the design, which will incorporate Gamesa Electric’s power conversion systems, they will also work together to manufacture the battery systems.
News
As part of our Countdown to COP campaign, Utility Week presents a showcase of some of the most promising energy storage technologies. Tom Grimwood explores the potential - and the limitations - of solutions ranging from flow batteries to liquid air energy storage and the use of gravity, among others.
Analysis
A net zero power system will only be possible with a massive scaling up of the UK’s storage infrastructure and this will require multiple solutions. In the latest Countdown to COP webinar, we profile three of the key emerging technologies that could play a significant role in that mix.
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