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Liquid Air Energy Storage (LAES)

Highview Power and MAN Energy Solutions partner in unique LAES project

Tue, 07/27/2021 - 12:54 -- Vic
HighviewPower 50MW 250MWh CRYOBattery

MAN Energy Solutions has signed a contract to provide its liquid air energy storage (LAES) turbomachinery solution to Highview Power’s CRYOBattery™ facility following the agreement previously reached by the companies in April 2021.

Highview is constructing a 50 MW liquid-air, energy-storage facility— with a minimum of 250MWh— in Greater Manchester, UK.

Wayne Jones OBE, chief sales officer and member of the Executive Board of MAN Energy Solutions, said: “Carrington is a unique project and a litmus test for the future of zero-carbon storage technology, not just in the United Kingdom but globally. 

"Simply put, the technology’s potential is limitless– we already see multiple opportunities for its further application beyond this project’s successful conclusion.”

The liquid-air energy-storage plant uses cryogenically liquefied air to store energy. 

Off-peak or excess electrical energy is used to compress ambient air and liquefy it in the charging cycle. The liquefied air is stored at low temperatures in insulated tanks.

When power is required, liquid air is drawn from the tanks and evaporated again in the discharging cycle to generate electricity.

LAES is especially suitable for special applications that require large amounts of energy over a discharge time of several hours, and enables fluctuating, renewable sources to bear base-loads.

The MAN turbomachinery train will form the core of the CRYOBattery facility that, upon completion, will form one of Europe’s largest battery-storage systems. 

This will ultimately supply clean, reliable, and cost-efficient long-duration energy storage– primarily from renewable sources.

Construction of the CRYOBattery™ began in late 2020 with commercial operation set to commence during 2022. 

Highview Power will operate the facility in partnership with Carlton Power, a UK independent power-station developer.

Read the story of LEAS and Highview Power in the summer issue of BEST here.

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Alternative energy storage technologies to challenge electrochemistry

Thu, 04/29/2021 - 10:58 -- Vic

A raft of alternative energy storage technologies is making headway in the long-duration energy storage system (ESS) market.

Cold air storage

A 50MW liquid-air energy storage (LAES) system, with a minimum of 250MWh, is under construction in Manchester, UK. 

Highview Power, an energy storage company, will operate the facility in partnership with Carlton Power, a UK independent power station developer.

MAN Energy Solutions will provide their LAES turbomachinery solution for the CRYOBattery plant, which will be one of the largest battery energy storage systems in Europe.

The facility will provide long-duration energy storage, and will facilitate grid services by helping to integrate renewables and stabilise the regional grid.

Phase one of construction will involve installation of a ‘stability island’ using a generator and flywheel to offer energy-grid stabilisation. 

Short-term stabilisation will provide the basis for phase two and the installation of the liquid air ESS comprised of compressors, expanders and cryogenic equipment. 

These allow the air to be cleaned, dried refrigerated, compressed and expanded in stages until it liquefies and can be stored. Phase two enables the integration of stability services with a full-scale, long-duration ESS using renewable energy.

The facility is due to begin commercial operations in 2022.

Heavy weights

Scottish innovator Gravitricity has successfully tested a 250kW demonstrator rig using two 25-tonne weights. 

Their gravity-powered ‘battery’ works by raising heavy weights in a deep shaft when there is excess renewable energy available, and lowering them when energy is needed.

The £1million ($1.38million), 12-metre-high test rig was funded by Innovate UK and delivered in tandem with controls specialist ISC and industrial partners, Dutch winch manufacturer Huisman.

The demonstrator has been built above ground at Port Leith, Scotland. 

Future projects intend to use decommissioned mine shafts, where possible, or purpose-sunk shafts. 

With a life expectancy of more than 25 years the storage technology offers an alternative to batteries, with no cycle limit or degradation over time. 

The power output can vary dependent on demand and go from zero to full power in less than one second.

The company is in discussion with mine owners in the UK, Czech Republic, Finland, Poland and South Africa.

Hot rocks

Following investment of $12million by Danish Power and fibre-optic group Andel, Stiesdal Storage Technologies is preparing to deploy its grid-scale thermal technology.

The pumped-heat ESS uses pea-sized crushed basalt, rock in insulated steel tanks with the stored energy released by turbine.

SST CEO Peder Riis Nickelsen said: “The cost of crushed stone is at a totally different level per unit of energy than practically any other material for energy storage. Our charging and discharging system can utilise well-known technologies that have been applied for a century within other industries and are well-suited for mass production.”

The cost of materials is estimated to be €10 ($12) per kWh.

The first demonstration project, a 1-2MW, 24h capacity unit, will be installed at a power plant in Denmark next year, and will operate commercially.

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Funding boost for Highview Power as Sumitomo Heavy Industries backs the LEAS firm

Fri, 03/06/2020 - 10:00 -- paul Crompton

Integrated manufacturer Sumitomo Heavy Industries has strengthened its foothold in the new energy market with a $46million investment in Liquid Air Energy Storage (LAES) technology firm Highview Power.

Japan-based Sumitomo, together with its wholly owned subsidiary Sumitomo SHI FW, will promote cooperation with Highview and promote commercialisation of the UK firm’s energy storage system CRYOBattery™.


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Joint venture plans liquid air energy storage projects

Wed, 03/20/2019 - 12:56 -- Hugh Finzel
Highview LAES system

A new joint venture company involving UK liquid air energy storage (LAES) system pioneer Highview Power is to develop “multiple projects” in Spain, the Middle East and South Africa.

Highview has entered into a joint venture agreement with Spain-based global engineering, procurement and construction group, TSK, to co-develop a series of “large-scale long-duration energy systems”.

The projects will use Highview’s cryogenic LAES technology, which the company said “can deliver anywhere from 20MW/80MWh to more than 200MW/1.2GWh of energy” at facilities with a lifespan of 30 to 40 years.

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