Highview Power launches first grid-scale liquid air energy storage plant

Highview Power has successfully designed and built the world's first grid-scale liquid air energy storage (LAES) plant in the UK.

Highview Power launches first grid-scale liquid air energy storage plant

The 5MW/15MWh LAES plant, located at Bury, near Manchester will become the first operational demonstration of LAES technology at grid-scale.

Professor John Loughhead OBE FREng FTSE, chief scientific adviser at the Department for Business, Energy and Industrial Strategy (BEIS), officially switched on the plant located at the Pilsworth landfill gas site in Bury yesterday (5 June). The LAES plant has been developed in partnership with recycling and renewable energy company, Viridor, and has been enabled in part by over £8 million in funding from the UK government.

Professor Loughhead said: “We welcome the accomplishment of Highview Power, working together with their project site partner Viridor, to successfully build and operate this grid-scale liquid air energy storage technology demonstration plant.

“The deployment of smart, flexible technologies, such as energy storage, will help to ensure the UK has a secure, affordable and clean energy system now and in the future in keeping with the priorities within UK Government’s Modern Industrial Strategy.

“We’re pleased to have been able to support the Pilsworth demonstrator through our Energy Innovation Programme aimed at accelerating the commercialisation of innovative clean energy technologies and processes.”

Gareth Brett, CEO at Highview Power, added: “Support from Government, our partners and our supply chain, has enabled Highview Power to successfully design and build the world’s first grid-scale LAES plant here in the UK. The plant is the only large scale, true long-duration, locatable energy storage technology available today, at acceptable cost. The adoption of LAES technology is now underway, and discussions are progressing with utilities around the world who see the opportunity for LAES to support the transition to a low-carbon world.”

After the launch, demand response aggregator KiWi Power will be able to draw energy from the LAES plant to power about 5,000 average-sized homes for around three hours. The plant will demonstrate how LAES can provide a number of reserve, grid balancing and regulation services.

According to the company, the opportunity is far greater: LAES technology can scale to hundreds of megawatts in line with the energy demand of urban areas the size of small towns up to large cities. This means that LAES plants could easily store enough clean electricity generated by a local windfarm to power a town like Bury (around 100,000 homes) for many days, not just a few hours.

Yoav Zingher, CEO at KiWi Power Ltd, said: “Liquid Air Energy Storage (LAES) technology is a great step forward in the creation of a truly de-centralised energy system in the UK allowing end-users to balance the national electricity network at times of peak demand. By drawing energy from a diverse range of low-carbon storage assets, companies can not only balance the grid but help meet rising energy demand and respond to changing patterns of consumption on a local and national level. Given the high uptake of renewable energy in the UK this is the technology that will allow the future grid to maintain system inertia and ensure the lights stay on. By investing in LAES technology companies will also be able to earn a predictable, annual, recurring revenue through the ancillary services with KiWi Power.”

Highview Power say that long-duration energy storage is critical to enable the broader deployment of renewable energy; overcome the intermittency of solar and wind energy; help smooth peaks and troughs in demand; and provide the UK with a stable and secure source of homegrown energy.

LAES technology makes use of a freely available resource, the air, which is stored as a liquid and then converted back to a gas, involving an expansion process that releases stored energy, and this drives a turbine to generate electricity. In addition to providing energy storage, the LAES plant at Bury converts waste heat to power using heat from the on-site landfill gas engines.

Brett continued: “The market opportunity for LAES technology is exciting – we estimate that 60% of the global energy storage market comprises long-duration, grid connected storage and that our LAES technology is ready to meet almost half of this (45%).

“The LAES plant in Bury has already played a key role in the breakthrough of LAES technology and will continue to do so. Utilities from around the world who have for some time been assessing our unique solution for their storage challenges, are now using the operating data to confirm their expectations. We are therefore already in detailed negotiations to build plants ten times the size of this one for utility customers of several nationalities and for various different applications.”

Logan Goldie-Scot, head of energy storage analysis at Bloomberg New Energy Finance, said: “The global energy storage market will grow to a cumulative 125GW/305GWh by 2030, attracting $103 billion in investment over this period. Utility-scale storage becomes a practical alternative to new-build generation or network reinforcement, especially for underutilised assets in some markets. We expect energy storage to increasingly be used for longer durations over this period, providing such services as peaking capacity and renewable energy integration.”


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