Whether it be energy that powers smartphones or even fuelling entire cities, energy storage solutions support infrastructure that acts as a foundation to the world around us. Contact online >>
Whether it be energy that powers smartphones or even fuelling entire cities, energy storage solutions support infrastructure that acts as a foundation to the world around us.
With demand for clean, reliable and efficient energy continuing to climb, companies pioneering innovative storage technologies have a spotlight shone on them to ensure the future and success of the energy landscape.
In this week''s Top 10, Energy Digitaltakes a deep dive into energy storage and profile the world''s leading companies in this space who are leading the charge towards a more sustainable energy future.
Acquired by Sunrun in 2020 for US$3.2bn, Vivint Solar entered the home energy storage market in 2017 with a partnership with Mercedes-Benz Energy followed by another partnership with LG Chem. Known for its residential solar installations, Vivint has emerged as a notable player in the energy storage sector as it has expanded its offerings. Its energy storage systems complement solar panel installations which allow homeowners to store excess energy and provides backup power in the event of grid outages.
Thanks to its commitment to diversifying its portfolio of products and services, Vivint has quickly become a key player in the energy storage and residential energy solutions realm.
Chilean commodities producer Sociedad Química y Minera has significant operations in lithium — primarily used in batteries for electric vehicles and energy storage systems — as well as solar salt, which is used for thermal energy storage. It''s involvement in lithium production is where the company has made significant strides in the energy storage space due to their integral role in energy storage systems. Thanks to its expertise in lithium extraction and processing, it is able to innovate and develop new lithium-based technologies which advance energy storage capabilities.
Battery storage and energy solutions systems from Johnson Controls allow for seamless integration with existing building technology systems. These utilise algorithms that provide for flexible and custom applications, the company says, such as demand management, frequency regulation and integration with renewables.
"Our customers working on solar or battery storage projects have historically faced challenges with funding and high costs, especially those in the education, healthcare and public housing industries," said Brandie Williams, Performance Infrastructure Business Development Director, West Region at Johnson Controls. "We''re proud to showcase how dedicated Johnson Controls is to making efficiency and sustainability accessible for any customer."
Perhaps more known for small-scale batteries, Energizer plays a significant role in the energy storage sector. Thanks to its knowledge in batteries spanning back more than 100 years, its experience in consumer batteries and portable power solutions has positioned it as one of the leading companies in energy storage solutions, albeit on a more micro, everyday scale. When it comes to solar storage, its battery systems offer flexible storage options to support the powering of ever-increasingly power-reliant homes.
Particularly prominent in energy storage when it comes to residential and small-scale commercial markets, Enphase promotes energy storage as a longer-term investment. It supports customers on their energy storage journey through offerings such as the Enphase Energy System which combines solar, batteries and EV charging so customers can make, use, save and sell their own energy. The company''s innovative technology, integrated energy management solutions and a focus on reliability and safety has positioned it as a leader in the energy storage sector.
Tesla has been growing its energy storage business in recent years. Established as a key player in the electric automotive industry, it has diversified its offerings to include battery storage — now one of its strongest offerings. Tesla Energy''s energy storage business has never been better. Despite only launching its energy storage arm in 2015, as of 2023 the company had an output of 14.7GWh in battery energy storage systems. Its portfolio includes storage products like the Powerwall and the Megapack.
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The world’s largest battery energy storage system (BESS) so far has gone into operation in Monterey County, California, US retail electricity and power generation company Vistra said yesterday.
Phase 1 of Moss Landing Energy Storage Facility was connected to the power grid and began operating on 11 December 2020, at the site of Moss Landing Power Plant, a natural gas power station owned by Vistra since it acquired the facility’s previous owner, Dynegy in 2018.
At 300MW / 1,200MWh, the BESS is considerably larger than the 250MW / 250MWh Gateway Energy Storage project brought online earlier this year by LS Power, also in California. Not only that, but Phase 2 of Vistra’s project will add another 100MW / 400MWh and is scheduled for completion by August this year.
The site at Moss Landing then offers what Vistra called a “unique opportunity” to expand the project’s size and storage capacity even further: the company claimed that the industrial zone in which it sits offers the potential to support up to 1,500MW / 6,000MWh of energy storage capacity, “should market and economic conditions support it”.
Phase 1 utilises more than 4,500 stacked battery racks, each of which contains 22 individual battery modules. The BESS is housed inside the gas power plants turbine buildings, which have been refurbished to host the new technology. The system takes surplus energy from the grid and helps the network to meet peak demand periods.
Vistra said that typically this will mean charging the batteries during daylight hours when solar generation output is at its highest in the area and output power back to the grid when solar production tails off in the evenings. The power company has signed contracts with California investor-owned utility (IOU) PG&E to use the output of Phase 1 and Phase 2 to meet resource adequacy requirements, in other words to help maintain stable, ample and reliable electricity supplies for the IOU’s customers.
What might be a little confusing is that PG&E itself is also building a similarly named battery storage project in the area – called Moss Landing BESS – at the site of the utility’s Moss Landing substation. PG&E’s project, currently under construction using Tesla Energy battery storage system equipment, will also be among the world’s biggest battery storage projects when completed, at 182.5MW / 730MWh.
In the most recent episode of Solar Media’s monthly podcast, development of energy storage to meet California’s energy needs as the state transitions to 100% renewable electricity by 2040 was identified as one of the most significant themes that ran throughout the year in Energy-Storage.news’ coverage of the global industry.
California is set to be home to two new compressed-air energy storage facilities – each claiming the crown for the world''s largest non-hydro energy storage system. Developed by Hydrostor, the facilities will have an output of 500 MW and be capable of storing 4 GWh of energy.
As the world shifts towards renewable energy, grid-scale storage is becoming ever more crucial. Getting carbon emissions to net-zero will require a patchwork of technologies to smooth out unpredictable and inconvenient generation curves, with pumped hydro, huge lithium-ion batteries, tanks full of molten salt or silicon, thermal bricks, or heavy blocks stacked up in towers or suspended in mineshafts all in the mix.
Pumped hydro accounts for around 95 percent of the world''s grid energy storage and gigwatt-capacity plants have been in operation since the 1980s. The problem is that you need a specific type of location and a staggering amount of concrete to build a pumped hydro plant, which works against the goal of reaching net zero. Rotting vegetation trapped in dams also contributes to greenhouse gas emissions. Meanwhile, the biggest mega-batteries built so far are only in the 200 MW/MWh range, though installations bigger than 1 GW are planned.
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