<\/p>\n
Around the world, a wave of mega installations of batteries are lining up to be connected to the grid this year \u2013 from solar hubs in Texas to grasslands in Inner Mongolia and the site of a former coal plant north of Sydney.<\/p>\n
Falling costs and soaring energy demand from data centres had already set the stage for rapid growth. The war in the Middle East has helped accelerate the trend by lifting demand for alternatives to expensive fossil fuels, setting 2026 up to be the year batteries become influential in the global energy system.<\/p>\n
BloombergNEF analysts had already expected installations to jump by about a third this year, led by expansion in Europe, the Middle East, Africa and Latin America. That momentum could build further if fuel disruptions persist.<\/p>\n
Read:
Texas is ground zero for the US battery boom
Americans are rushing to get off the grid<\/p>\n
Signs of the ramp up\u00a0are already emerging. A Chinese battery manufacturer has forecast a sharp rise in first quarter profit as global demand picks up. In Vietnam, a developer is seeking approval to replace a planned LNG-to-power project with renewables paired with storage, citing the surge in fuel costs linked to the war.<\/p>\n
\u201cWe\u2019ve now crossed into a point where anytime anyone is looking at investing in the power system, batteries are one of the most attractive options,\u201d\u00a0said Brent Wanner, head of the power sector unit at the International Energy Agency.<\/p>\n
\u201cBattery storage systems will continue to grow for the foreseeable future.\u201d<\/p>\n
In markets flooded with solar and wind \u2013 technologies that have been built out significantly since the last energy crisis in 2022 \u2013 battery operators can buy electricity when it\u2019s cheap and sell it when demand peaks.<\/p>\n
Where grids once relied on coal and gas when renewable output dipped, storage technology is now becoming cheap and fast enough to make a difference in how the grid functions. Average costs have dropped by around 75% from 2018 to 2025, according to BNEF, and are expected to tumble another 25% through 2035.<\/p>\n
Battery projects are also increasingly being built in\u00a0fleets big enough to make a real difference in how the grid operates. In Inner Mongolia, three massive sites were recently switched on with a combined capacity of 7.4 gigawatt-hours, enough to rival several large power plants for short periods.\u00a0In Scotland, two huge neighboring battery farms at the site of a former coal mine will start up this year.<\/p>\n<\/p>\n
Australia \u2013 the world\u2019s largest battery market on a per capita basis \u2013 offers a glimpse of how the boom is reshaping energy systems. Shortly after a massive project known as the Waratah Super Battery was partially switched on in New South Wales last year, batteries discharged more power onto the main grid during the evening peak than gas-fired plants.<\/p>\n
The site is expected to become fully operational in 2026. Storage is also helping delay an expected gas crunch as domestic fields deplete, underscoring its role in the nation\u2019s energy security.<\/p>\n
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For investors, one big reason that projects have become more appealing is the rapid decline in costs. Waratah, for instance, would cost about 20% less to build now than when it began construction four years ago, according to Nick Carter, CEO of Waratah\u2019s owner Akaysha Energy.<\/p>\n
\u201cIf you had the same project today, the economics would be materially better,\u201d he said, even as Waratah\u2019s strong returns have left him with \u201cno regrets.\u201d<\/p>\n
Read: A deluge of batteries is about to rewire the power grid<\/p>\n
Battery glut<\/p>\n
At the centre of the world\u2019s energy storage boom is China\u2019s role in producing the hardware. Years of investment in its electric vehicle supply chain have created a glut of batteries, driving prices down and flooding global markets with cheaper equipment.<\/p>\n
The country now accounts for the vast majority of global manufacturing capacity, as well as around half of existing grid-scale battery installations. That\u2019s in part because of a 2021 mandate requiring renewable projects to include energy storage, which has since been retired.<\/p>\n
The pattern mirrors the solar industry\u2019s post-2021 cycle, when surging demand triggered a wave of investment that led to oversupply, collapsing prices and, ultimately, mass adoption, according to consultancy Trivium China.<\/p>\n
What\u2019s striking is that the decline in battery prices is happening even as costs for most other clean energy technologies have risen.<\/p>\n
Read:
From cheap money to tax breaks, EVs in China get a lot of love<\/p>\n<\/p>\n
That means the calculus for projects is changing quickly. In mid-2024, Australia\u2019s AGL Energy Ltd began construction of a large battery in New South Wales. Six months later, it approved another project in the same state at roughly half the cost per megawatt-hour, according to CEO Damien Nicks.<\/p>\n
Soaring demand<\/p>\n
With power systems under strain across much of the world, the wave of cheaper batteries is coming at a pivotal moment.<\/p>\n
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In the US, the speed of construction is an important factor. Data centres from Texas to Tennessee are turning to solar paired with batteries because traditional power plants can\u2019t be built quickly enough, as turbine shortages and grid bottlenecks slow timelines.<\/p>\n
Near Memphis, Tennessee, Elon Musk\u2019s artificial intelligence business xAI has installed rows of Tesla Inc Megapack batteries at its Colossus supercomputing facility to manage outages and surging electricity needs.<\/p>\n
Batteries are expected to account for more than a quarter of the record generating capacity the US is set to add in 2026, according to the Energy Information Administration.<\/p>\n
\u201cA lot of people still view the battery story as a clean energy technology,\u201d said Jeff Monday, chief growth officer at storage provider Fluence Energy Inc. \u201cWe\u2019ve seen an evolution \u2013 battery tech is now seen as building grid resilience.\u201d<\/p>\n
Read:
Tesla recalls almost 13 000 EVs over risk of battery power loss
US warns of blackouts in precursor to help coal<\/p>\n
The dynamic is also spawning a new class of technologies outside of lithium-ion, which are designed to stretch storage from hours to days. Companies like Form Energy Inc are pitching batteries that can keep data centres running through prolonged shortages, effectively substituting for supply from the grid.<\/p>\n
Unlike lithium-ion cells, Form\u2019s technology relies on the rusting of iron to store and release energy for up to 100 hours, 25 times longer than most grid-connected batteries.<\/p>\n
In Europe, the challenge is different. A rapid expansion of wind and solar is straining grids that were not designed for huge variations in\u00a0supply, increasing price swings and forcing operators to turn off when generation\u00a0outpaces demand.<\/p>\n
Germany alone is expected to lose \u20ac3.7 billion ($4.4 billion)\u00a0to curtailed renewable output this year.\u00a0Storage is now set to surge across the continent, with capacity forecast to grow around fivefold by the end of the decade, according to a report earlier this year by think tank Aurora Energy Research.<\/p>\n
Read: Europe-based Greencoat Renewables targets JSE-listing<\/p>\n
Energy price swings unleashed by the Iran war increase\u00a0arbitrage revenues and strengthen\u00a0the case for cutting reliance on imported fossil fuels, according to BNEF.<\/p>\n
In Europe, it sees batteries that are already online or nearing completion as likely to benefit most, with capacity seen rising from about 50GW\u00a0 in 2025 to 75GW by year-end.<\/p>\n
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\u201cIn the face of rising gas prices with the war in Iran and general market fluctuations, storage can serve as a hedge for the power price volatility that is becoming more frequent,\u201d\u00a0said Allison Feeney, an energy storage analyst at research firm Wood Mackenzie.<\/p>\n
\u201cIt\u2019s going to revolutionise the way our grid operates, once we reach high penetration levels.\u201d<\/p>\n<\/p>\n
The technology is also gaining momentum elsewhere. India\u00a0has supercharged its auctions for energy storage projects as it races to balance a grid receiving more variable renewable power. Brazil\u00a0is preparing its first tender for grid-scale batteries.<\/p>\n
In Egypt,\u00a0Africa\u2019s largest hybrid solar and battery installation was partially switched on earlier this year and is expected to become fully operational this summer. The takeoff, however, is not without constraints.<\/p>\n
Much of the industry still depends on China\u2019s supply chain, creating vulnerabilities as geopolitical tensions rise and US trade tariffs enter into force. While the US now has the production capacity to supply 100%\u00a0of its energy-storage systems domestically, according to a March report by the US Energy Storage Coalition,\u00a0Chinese equipment is still cheaper than American-made components.<\/p>\n
Deploying batteries at scale also requires navigating the same bottlenecks facing the broader power sector. Grid connection delays, permitting hurdles and evolving market rules can slow projects, even as demand surges.<\/p>\n
Read:
How zinc-ion batteries may solve our renewable energy storage\u00a0problem
Trump\u2019s trade war with China threatens these key green technologies<\/p>\n
\u201cFor installers in Europe, the hardware is only maybe 50% of the cost, but then there are also the grid connection and installation costs,\u201d said Eva Zimmermann, a senior research associate at Aurora. Higher interest rates as a result of war-related price disruptions could also complicate the economics of capital-intensive projects.<\/p>\n
Yet even with those constraints, few expect the battery boom will slow. In the US, demand for storage outweighs policy headwinds, driven by rising electricity needs, the growth of data centres and the need to stabilise renewable power.<\/p>\n
Developers are continuing to push into new markets, from Europe to Texas, betting that the same forces reshaping Australia will play out elsewhere. Akaysha\u2019s Carter,\u00a0who cut his teeth in oil and gas before making the jump to renewables, sees the current momentum extending well beyond this decade.<\/p>\n
\u201cPower demand is going up, data centres are coming online, more renewables are getting built, coal is exiting,\u201d he said. \u201cSo when you combine all those things, the need for storage is going up.\u201d<\/p>\n
\u00a9 2026 Bloomberg<\/p>\n
#Cheap #batteries #worlds #power #grids<\/p>\n","protected":false},"excerpt":{"rendered":"
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