The Anonymous Widower

Mining Firms Turn To Renewables And Battery Storage In Bid To Ditch Diesel

The title of this post, is the same as that of this article from Reuters.

These four bullet points act as sub-headings.

  • Mining operations depend on diesel generators, far from electricity grids
  • Fortescue installs 250MWh BYD battery in West Australia to store energy from solar power
  • RheEnergise’s Devon plant supplying pumped hydro power to a kaolin mine
  • Sandvik offering miners a “battery-as-a-service” model to cut energy costs

These paragraphs introduce the article.

In Western Australia’s Pilbara region, a new feature is being added to an ancient landscape: rows of containerised batteries. Iron ore mining giant Fortescue took delivery of its first major battery energy storage system (BESS) from Chinese manufacturer BYD in December 2025. The 48 containers in this batch have a capacity of 250 megawatt hours (MWh). By 2030, the company plans to have up to 5 gigawatt hours (GWh) in place, the largest in Australia.

Fortescue says its plans for BESS may be vast in ambition, yet simple in execution.

“It’s literally dropping shipping containers on the ground and plugging them in,” says Dino Otranto, the company’s CEO ​for metals and operations. “There’s not much more complexity than that. You don’t have to build a billion-dollar power station, with all the complexity.”

Like the iron ore-rich Pilbara, major deposits of the world’s most important mineral resources lie in remote regions, far from national electricity ‌grids. That means mining companies typically rely on highly polluting and carbon-intensive diesel generators to power their operations.

It certainly seems, that Fortescue, who are one of the world’s largest mining groups,  are convinced of the value of batteries.

But another mining giant is involved in developing batteries. In UK Infrastructure Bank, Centrica & Partners Invest £300M in Highview Power Clean Energy Storage Programme To Boost UK’s Energy Security, this is said.

The £300 million funding round was led by the UK Infrastructure Bank (UKIB) and the British multinational energy and services company Centrica, alongside a syndicate of investors including Rio Tinto, Goldman Sachs, KIRKBI and Mosaic Capital.

Note.

  1. Highview Power’s CRYOBatteries use air in its liquid form as a storage medium. That surely must be very cool!
  2. Highview Power’s largest battery under development is 300 MW/3.2 GWh.
  3. KIRKBI is the private fund of the LEGO family.
  4. Goldman Sachs and Mosaic Capital must be good for a few quid.
  5. Rio Tinto is a UK-Listed mining company.

Out of curiosity, I asked Google AI, “Are Highview Power Developing Large Battery Applications For Mining?” and received this reply.

Yes, Highview Power is heavily investing in and developing large-scale, long-duration energy storage (LDES) solutions—which they refer to as “liquid air batteries” (CRYOBattery™)—that are designed to support heavy industries, including potential applications for mining and remote industrial operations.

While their primary focus has been on grid-scale, long-duration energy storage, these systems are suitable for industrial sites that require high-power,, high-capacity, and dependable, dispatchable energy that typical chemical batteries (like Lithium-ion) cannot provide over long durations.

Key Aspects of Highview Power’s Development:
Technology: Highview’s CRYOBattery™ is a Liquid Air Energy Storage (LAES) system that uses renewable energy to turn air into liquid at -196°C, storing it, and then expanding it back to gas to drive turbines.

Scale and Scope: They are developing projects with a capacity range of 50 megawatts to hundreds of megawatts, providing energy for 8 to 24 hours.

Projects and Investment:
UK Projects: A 300 MWh facility in Carrington, Manchester, is currently being built and is scheduled to be operational by 2026.

Major Expansion: A 2.5 GWh facility, which will be the world’s largest, is being developed at Hunterston, Scotland, with plans to build four such large-scale facilities in the UK.

Australia & Japan: They are developing base-load renewable power projects in Australia—specifically in Gladstone, Townsville, and the Northern Territory (Darwin-Katherine)—which often include mining and high-load industrial sites.

Mining Sector Connections: Highview Power’s funding rounds have been backed by major mining and resources companies, including Rio Tinto and Sumitomo.

Suitability for Remote Mining: The system can be located anywhere (unlike pumped hydro), is modular, and uses proven off-the-shelf components, making it ideal for the high energy requirements of the mining industry.

Highview’s technology is designed to store excess energy from wind and solar over long periods and release it on demand, which is critical for making renewable energy as flexible as traditional fossil fuels in industrial contexts.

I further asked Google AI, “Where Are Highview Power Going To Build Their First Four Big Batteries In the UK”, and received this reply.

Highview Power is developing a multi-billion pound, long-duration energy storage programme in the UK, utilizing Liquid Air Energy Storage (LAES) technology, which acts as a “big battery” by storing excess renewable energy as liquid air.

The company has identified over 16 potential sites, with the first four major projects planned for the following locations:

Carrington, Manchester (Trafford Energy Park): Currently under construction, this is the flagship 50MW/300MWh commercial-scale plant. It is scheduled to be operational by early 2026.

Hunterston, North Ayrshire (Scotland): This is the first of the “Millennium Series” plants, announced as the first in a new second phase of four projects. The 2.5 GWh facility is set to have its stability island operational by 2027.

Killingholme, Lincolnshire: Named as another site eligible for the UK government’s Cap and Floor support scheme, which aids in financing these large-scale projects.

Fourth Site (TBD): Highview Power’s second phase includes two in Scotland and two in England (likely including Killingholme), bringing 10 GWh of new capacity online by 2030.

Key Project Details
Total Investment: Backed by over £500m in funding from the UK Infrastructure Bank and Centrica.

Purpose: These plants store surplus wind and solar power for up to several weeks, addressing grid congestion and allowing for the closure of fossil fuel power stations.

Technology: Unlike lithium-ion, LAES uses liquified air, providing long-duration storage (6+ hours) with a 50+ year plant life.

The Hunterston project is expected to support 1,000 jobs during construction.

My project management experience would lead me to expect, that building each project would lead to a number of jobs being created, during the construction phase. That can’t be bad!

How is the Sumitomo/Highview Power CRYOBattery Performing At Hiroshima?

I will finish by talking about the Sumitomo/Highview Power CRYOBattery, which I talked about in Is Sumitomo Heavy Industries Highview Power Energy Storage System On Line At Hiroshima?

I asked Google AI, the question in the title  of this section and received this reply.

The Sumitomo Heavy Industries (SHI) and Highview Power Liquid Air Energy Storage (LAES) plant in Hiroshima is officially operational and performing as a key commercial demonstration of long-duration energy storage. The plant, located at the Hiroshima Gas Hatsukaichi LNG Terminal, began operations on December 1, 2025, with a inauguration ceremony held shortly after.

Here is a breakdown of its performance and status:
Operational Role: The plant is functioning as the world’s first commercial-scale LAES plant integrated with LNG cold energy, delivering zero-carbon energy and providing grid stability for Japan’s power system.

Capacity and Technology: It operates with a 5 MW output and 4-hour storage (approx. 4 MW charging), utilizing waste cold from the adjacent Hiroshima Gas LNG terminal to increase efficiency.

Performance Objectives: The facility is designed to prove that LAES technology is a viable, scalable, and emission-free solution for grid storage.
Development: The project was delivered through a collaboration between Sumitomo Heavy Industries, Sumitomo SHI FW (SFW), and Highview Power.

The plant is considered a significant step in Japan’s 2050 carbon neutrality strategy and confirms the potential of using cryogenic technology for long-duration energy storage.

Conclusion

Sumitomo, Highview Power and their partners now appear to be ready to go forth and multiply.

April 11, 2026 Posted by | Artificial Intelligence, Energy, Energy Storage | , , , , , , , , , , , , , , | Leave a comment

The Liquid Air Alternative To Fossil Fuels

The title of this post, is the same as that of this article on the BBC Future Web Site.

It is also one of the best articles, I’ve read on the economics of liquid-air energy storage.

This is the sub-heading.

An overlooked technology for nearly 50 years, the world’s largest liquid air energy storage facility is finally set to power up in 2026. It’s hoping to compete with grid-scale lithium batteries and hydro to store clean power, and reduce the need to fall back on fossil fuels.

These three introductory paragraphs add detail to the project.

As the world’s use of renewable electricity soars, surpassing coal for the first time, the need to store that energy when the Sun isn’t shining and the wind isn’t blowing is growing in step. While some turn to grid-scale lithium batteries and others to pumped hydro, a small but growing industry is convinced there’s a better solution still: batteries that rely on air.

Near the village of Carrington in north-west England, the foundations are being laid for the world’s largest commercial-scale liquid air energy storage facility, one of the first of its kind. The site will eventually become an array of industrial machinery and a number of large storage tanks, filled with air that has been compressed and cooled so much it has become a liquid, using renewable energy surplus to demand. The stored energy can be discharged later when demand exceeds supply.

If the project succeeds, more will follow. The site’s developers Highview Power are confident that liquid air energy storage will make it easier for countries to replace fossil fuels with clean renewable energy – though at present, the technology is expensive. But as the need for clean energy storage surges, they’re betting the balance will tip in favour of liquid air.

The BBC article, seems to have been written with input from Shaylin Cetegen, a chemical engineer at the Massachusetts Institute of Technology (MIT), who studies energy storage systems.

Topics discussed include.

  • The intermittency problem of renewables and how this gives problems for the stability of electricity grids.
  • The switchable nature of fossil-fuel power generation.
  • A big part of the solution is to store the surplus energy so that it can be released when it’s needed. Think of it like an electricity deposit account!
  • For decades, the main form of energy storage has been pumped hydro. In 2021, the world had 160 GW of pumped hydro capacity. The UK has a total of just 3 GW in Scotland and Wales! But more is on the way!
  • Recently, large-scale battery storage systems have risen to the challenge and installed capacity has risen from 55.7 GW in 2023 to 150 GW / 348 GWh in 2025.
  • The liquid air solution is then explained.
  • A grid-scale stop-gap, that is the 30 MW/300 MWh Manchester hybrid liquid-air battery, is then described.
  • In August 2026, the battery is set to begin operating.
  • An alternative way of stabilising the grid will be provided.
  • It will come online in two stages, says Highview Power CEO Richard Butland.
  • Then in 2027 the liquid air storage is expected to begin fully operating.

Highview Power will make money by trading electricity, as pumped storage operators do.

The penultimate section of the article looks at the bottom line and comes to these conclusions.

Instead, she says governments could support the technology. In her study, subsidising the initial capital costs to set up the systems “could be a viable approach to achieve economic viability in the short term”, she says.

Furthermore, faster uptake of renewables would increase energy price volatility, making energy storage more economically viable.

Cetegen makes a final point in favour of liquid air energy storage: it’s cheap. Energy storage technologies are often assessed using a metric called the “levelised cost of storage”, which estimates how much each unit of stored energy costs over the lifespan of the project. For liquid air, this can be as low as $45 (£34) per megawatt-hour – compared to $120 (£89) for pumped hydro and $175 (£130) for lithium-ion batteries.

“While none of these storage methods are likely economically viable right now without policy support, liquid air energy storage stands out as a particularly cost-effective option for large-scale storage,” Cotegen says.

Ultimately, Butland expects electricity grids to rely on a mix of storage technologies. Pumped hydro is extremely effective and works for decades, but it’s location-dependent because it needs a water supply. Meanwhile, batteries are highly efficient and can be placed anywhere, but need to be replaced after about 10 years. Liquid air has the advantage that it can store energy for longer than batteries, with minimal losses.

As any country enters the green transition, its electricity grid needs to be remodelled to cope. “We’re rebuilding all grids globally, based on new generation,” says Butland. And that could well mean a lot of liquid air energy storage.

 

March 21, 2026 Posted by | Energy, Energy Storage | , , , , , , , , , , , | 2 Comments

Permission Granted For Ayrshire Renewables Hub

The title of this post, is the same as that of this article on Scottish Construction Now.

This is the sub-heading.

Planning consent has been granted for a £150 million upgrade to an Ayrshire marine yard, paving the way for increased offshore wind power off the UK’s west coast.

These are the first three paragraphs.

Peel Ports Clydeport has secured permission for the complete redevelopment of the Hunterston marine yard as it prepares the site for major renewables infrastructure. The redevelopment works – which are expected to start in early 2025 and last for around two years – will include substantial upgrades to the marine yard, including infilling the current dry-dock basin and the creation of a new quay wall.

Highview Power recently announced it is to construct the world’s largest Liquid Air Energy Storage (LAES) facility at Hunterston, the latest in a string of renewables projects that are either underway, or in the pipeline, at the site.

The overall redevelopment of Hunterston is expected to attract £3.5 billion in inward investment and create over 5,000 jobs.

Note.

  1. The Highview Power battery will be 200 MW/3.25 GWh.
  2. There is also a 400 MW/400 MWh BESS being built at Hunterston.
  3. The 2 GW MacHairWind project is planned off the coast of Islay.
  4. According to their web site, MacHairWind will export its first power in the early 2030s.

More renewable infrastructure will surely follow.

December 5, 2024 Posted by | Energy, Energy Storage | , , , , , , , , , | Leave a comment