In 2026, global demand for energy storage batteries is experiencing unprecedented explosive growth, driven by the dual forces of expanding AI computing infrastructure and policies mandating higher renewable energy integration.

In the first half of 2026, global shipments of energy‑storage battery cells surged 93% year over year, reaching a cumulative 486 GWh. Full‑year shipments are on track to exceed 1.1 TWh, with growth rates continuing to double and far outpacing those of power‑battery markets. For some companies, order volumes have even skyrocketed by a factor of 30, while capacity utilization has soared to 94%, as the industry rapidly shifts from “overcapacity” to “supply shortages.”

This is not a short-term speculative rally; rather, it is a landmark signal of the concurrent shifts underway in global energy markets, the digital economy, geopolitical dynamics, and industrial cycles.

       The driving force behind the surge in demand

        1. Essential demand for AI computing power

Large‑model training and inference have driven a sharp increase in data center power consumption, making millisecond‑level battery backup an essential requirement to prevent computing‑power outages. U.S. data center battery demand is projected to grow from 5 GWh in 2025 to 66 GWh by 2030, representing a tenfold increase over the decade.

        2. Energy Structure Transformation

Global wind and solar power generation is rapidly increasing, turning grid‑scale energy storage from an optional measure into a necessity. By 2026, global installed energy storage capacity is projected to reach 588.2 GWh, up 62% year over year.

        3. Trend of Duration Upgrades

When configuring energy storage for new data centers, the typical duration has been extended from 2 hours to 4–8 hours, with energy storage systems (ESS) replacing short‑term backup power sources (UPS/BBU) as the primary solution.

        Global demand for energy storage batteries has surged, sending the following signals:
      I. Energy transition has entered the “deep-water phase,” with energy storage evolving from a supporting role to a core infrastructure component of the power system.
        1. The high penetration of renewable energy is driving the essential demand for energy storage.
Global installed wind and solar capacity has surpassed 6,000 GW, with renewable energy accounting for over 40% of electricity generation. However, the intermittent and variable nature of solar and wind power has brought issues such as curtailment of wind and solar output and grid instability to the forefront. In the past, energy storage was a mandatory, cost‑driven add‑on to new‑energy projects; today, it has become an indispensable flexible resource for grid peak shaving, frequency regulation, reserve capacity, and black start operations. Without energy storage, power grids with a high share of renewables cannot operate reliably.
        2. A fundamental reshaping of energy security logic: power reserves replacing oil reserves
Geopolitical tensions continue to disrupt oil and gas supplies, prompting Europe, the Middle East, Southeast Asia, and Australia to comprehensively reduce their reliance on fossil fuels. “Renewables plus energy storage” has emerged as a standardized approach for countries seeking to achieve domestic energy self-sufficiency. Energy storage power stations and residential battery systems serve as distributed strategic energy reserves, and many nations have introduced subsidies and mandatory storage‑integration policies, elevating energy storage to the level of national security strategy.
     3. Electricity price marketization opens up independent profit opportunities for energy storage.
Across many countries worldwide, the price gap between peak and off-peak electricity rates has widened. Industrial and commercial energy storage relies on arbitrage, while standalone storage benefits from capacity‑based tariffs and ancillary services, leading to multiple revenue streams. This has significantly shortened investment payback periods, enabling energy storage to break free from reliance on policy subsidies and establish a sustainable, commercially viable closed loop, with endogenous demand continuing to surge.
       II. Highlighting the Fundamental Transformation of the Digital Economy: AI Computing Power Sparks a New, Rigid‑Demand Energy‑Storage Segment
This is the key new signal that sets this round of rapid growth in the energy storage sector apart from previous years:
      1. AI data centers are a brand-new growth engine for energy storage.
Large‑model training and AI‑compute clusters are high‑power, variable‑load applications whose instantaneous power fluctuations can severely stress the grid. As a result, countries worldwide have made energy storage a mandatory requirement for data‑center approvals. Companies such as Google, Meta, and Amazon, along with domestic computing‑power parks, are deploying large‑scale energy storage systems in bulk. The industry has designated 2027 as the inaugural year of AI‑driven energy storage, and compute‑center‑plus‑storage is emerging as an independent trillion‑dollar market segment.

        2. The digital economy is deeply integrated with the power system.

The computing‑power industry is no longer just about consuming electricity; it is evolving into an integrated “computing‑power‑electricity” synergy. Energy storage has become a foundational standard for digital infrastructure, driving a dual‑track demand: traditional renewable‑energy integration and AI‑compute‑related energy‑storage needs, thereby significantly raising the growth ceiling.

      III. The global market landscape is being reshaped, with all three major markets experiencing robust growth, and emerging markets emerging as the primary battleground for incremental expansion.

        1. Policies in mature European and American markets have been implemented, enabling project scaling.

In Europe, standalone energy storage projects have reached the GWh scale, while residential storage continues to expand rapidly, driven by high electricity prices and substantial subsidies. Meanwhile, in the United States, computing‑power‑based energy storage is advancing in tandem with grid modernization, and a domestic policy package to support the energy‑storage supply chain has been introduced.

     2. Emerging markets are taking over growth, unlocking long-term potential.

The Middle East’s large-scale renewable energy projects, coupled with grid‑infrastructure upgrades, India’s rapid expansion of new‑energy capacity, the industrial electricity‑demand gap in Southeast Asia, and Australia’s residential‑storage subsidies, are converging to become the primary drivers of global energy‑storage growth over the next three years. Demand is no longer concentrated in China, the U.S., and Europe; instead, it is spreading toward worldwide adoption.

        3. Market structure is diverging: large-scale energy storage remains the core business, while residential and commercial‑industrial energy storage are expanding rapidly.

Large-scale grid‑scale energy storage and renewable‑plus‑storage systems remain at substantial scales, while the penetration of residential and industrial/commercial energy storage is rapidly increasing. Energy storage is expanding from “giant power stations” to households and industrial parks, with application scenarios becoming increasingly diversified.

        IV. Geopolitical Signals in the Global Industrial Chain: Energy Storage Batteries Have Become the Strategic High Ground of National Energy Technology Strategies

       1. China’s entire energy storage industry chain holds global supply‑chain leadership.

China holds 90% and 70% of the global market share, respectively, in energy‑storage battery cells and system integration. It has achieved near‑monopoly across the entire value chain—production capacity, materials, and equipment—for lithium‑iron‑phosphate (LFP) energy‑storage batteries, making it a core supplier in the global energy transition, according to Caixin. Energy‑storage batteries have now joined photovoltaics and electric vehicles as three of China’s flagship export sectors in high‑end manufacturing.

        2. Europe and the United States are accelerating the diversification of their supply chains, while trade barriers continue to rise.

Europe and the United States, concerned about the heavy reliance of the energy storage supply chain on China, have introduced domestic factory‑building subsidies, anti‑dumping measures, and carbon‑border‑adjustment taxes, thereby mandating the development of local production capacity. Meanwhile, Japan and South Korea are ramping up lithium‑iron‑phosphate (LFP) energy‑storage production lines. As a result, the global energy‑storage industry has entered a phase where competition and strategic maneuvering coexist, compelling companies expanding overseas to adopt localized strategies to circumvent regulatory barriers.

       3. Reassessment of the Strategic Value of Upstream Mineral Resources

Lithium, phosphorus, vanadium, manganese, and other key minerals for energy storage have been elevated from ordinary industrial raw materials to strategic resources. Many countries have imposed export controls on these minerals—such as Zimbabwe’s ban on lithium exports, set to take effect in 2027—leading to medium- to long-term supply-demand gaps in lithium and intensifying competition over upstream resources.

        4. The global market landscape is undergoing restructuring, with emerging markets emerging as new growth engines.

Beyond China, the U.S., and Europe, countries such as Australia, Saudi Arabia, and Chile are witnessing astonishing growth in energy storage deployment: Australia is slated to add nearly 8 GW of new capacity by 2025—nine times its 2024 level; Saudi Arabia plans to commission over 3 GW in 2025, with energy storage at the heart of its energy‑self‑sufficiency strategy; meanwhile, large‑scale projects are proliferating across emerging markets in Latin America, Southeast Asia, and beyond.

The global energy storage market is shifting from “single‑pole dominance” to “multi‑pole expansion,” with Chinese manufacturers’ overseas presence continuing to grow.

5. The industry cycle has reached an inflection point, with energy storage taking over from power batteries to become the new growth engine of the lithium‑ion battery sector.

        1. Growth in power battery demand has slowed, with energy storage emerging as the key driver for absorbing lithium‑ion battery production capacity and boosting exports.

In 2026, domestic sales of energy‑storage batteries are expected to grow by 100.4% year on year, while power‑battery sales will increase by only 31.9%. Energy storage is fully shouldering the responsibility for driving growth in the lithium‑ion battery industry, helping to absorb excess production capacity and spurring a recovery in demand across the entire lithium‑ion value chain, including lithium, electrolyte, and separators, according to People’s Daily.

      2. Reshaping the Competitive Landscape

Companies with vertical integration—self‑sourcing materials and resources—and deep, long‑term partnerships with major customers—leading power plants and data‑center operators—are poised to capture excess profits, while small and medium‑sized assembly firms face heightened cost‑pressure risks.

Industry competition is shifting from a low‑price, cutthroat race to a focus on technological value. Surging demand for energy storage is driving up raw‑material prices, while lithium prices have stabilized and begun to rebound, accelerating the elimination of low‑end, low‑cost production capacity.

The focus of industry competition has shifted to high‑capacity, long‑life battery cells, long‑duration energy storage technologies, grid‑forming energy storage systems, and system integration solutions, with leading companies further consolidating market share through vertical integration and the continuous strengthening of technological barriers.

        3. Accelerated technological diversification and iteration, breaking the reliance on lithium-ion batteries alone.

The surge in demand is accelerating the commercialization of long-duration energy storage technologies: flow batteries, sodium-ion batteries, and vanadium redox batteries are rapidly moving into the market. Energy storage is no longer limited to lithium-ion technology; a diversified portfolio of technologies is advancing in parallel, unlocking broader growth prospects over longer time horizons.

Technological pathways are converging and diverging: Lithium iron phosphate (LFP) continues to dominate overwhelmingly—accounting for over 90% of the market—thanks to its cost-effectiveness. Meanwhile, long-duration technologies such as sodium-ion batteries and flow batteries are accelerating commercialization to address specific application gaps.

        4. Shift in Investment Trends

Capital expenditures are shifting from a mere focus on scale expansion to an emphasis on capacity quality and delivery certainty, with the global energy storage market’s CAGR projected to remain at a high level of 20%–30% from 2026 to 2030.

     VI. Macroeconomic and Livelihood Signals: The Widespread Adoption of Distributed Energy and the Arrival of an Era of Residential Energy Autonomy

1. Household energy self-sufficiency has become a basic necessity for overseas residents.

Electricity prices in Europe and Australia have remained persistently high; pairing residential energy storage with solar photovoltaic systems can significantly reduce electricity bills and ensure power supply during extreme outages, transforming home energy storage from a discretionary purchase into an essential household necessity.

    2. The new power system is reshaping the urban–rural energy supply model.

Remote rural areas and islands are leveraging “photovoltaics + energy storage” to build microgrids, thereby overcoming the high‑cost constraints of traditional large‑scale grid construction. Energy storage helps flatten the energy supply chain, reducing investment in regional power infrastructure.

   3. Standardized implementation of zero-carbon parks and green factories

Global corporate pressure to achieve carbon neutrality is mounting, and commercial‑industrial energy storage is simultaneously delivering triple value—cost reduction, carbon mitigation, and reliable power supply—making it a standard‑issue asset for businesses.

       VII. Risk Signals

Approach issues with a dialectical mindset: every phenomenon has two sides. The explosive surge in demand for energy‑storage batteries is no exception; behind this rapid growth lie certain warning signs.

  1. Structural mismatches between supply and demand

The construction of a new production line for energy‑storage battery cells takes 12–18 months; in the short term, capacity cannot keep pace with the surge in orders, while in the medium to long term, there is overcapacity at the low end of the energy‑storage system market.

    2. Geopolitical trade tensions are escalating.

Localizing policies in Europe and the United States have increased the costs for Chinese companies expanding overseas, while adjustments to export tariffs have led to short-term fluctuations in order volumes.

  3. Upstream Resource Constraints

Lithium ore supply growth is failing to keep pace with the long-term expansion of energy storage demand, and the risk of cyclical fluctuations in raw material prices remains persistent.

       4. Shortcomings of Long-Duration Energy Storage Technologies

Currently, mainstream lithium-ion batteries are only suitable for short-duration energy storage of 1–4 hours, while long-duration storage spanning days or seasons still faces cost barriers.

        Future Outlook

Institutional forecasts project a compound annual growth rate of approximately 30% for global energy storage between 2026 and 2030, with global installed capacity expected to exceed 1 TWh by 2028. However, capacity utilization rates approaching their limits could trigger short-term price volatility, and the industry’s expansion race warrants vigilance regarding the risk of future supply overcapacity.

The current market is characterized by both upward revisions in demand and a cooling of sentiment, with technological innovation and high‑safety, long‑life products emerging as the key to competitive success.

In summary, the explosive growth in demand for energy storage batteries is the result of the confluence of two major trends: the AI era and the energy transition. It is both an immediate hotspot driven by soaring computing power needs and a long-term trend propelled by the green energy revolution. Although it may face the challenge of overcapacity in the future, its strategic importance as a critical link between the digital economy and the future of new energy remains unshakable.

The sharp surge also signals that the industry has crossed the economic inflection point. Driven by AI computing power, the energy transition, and global energy security, energy storage batteries have entered a long‑term, high‑growth phase. At the same time, the sector is shifting from broad-based gains to increasing differentiation, with leading companies that possess core technologies, stable customer bases, and global operational footprints poised to gain a distinct competitive edge.