데이터센터 및 상업용 배터리 저장 시장(2026-2036년)

The commercial and industrial battery energy storage system market is entering a period of sustained and broad-based expansion. Long viewed as a secondary segment behind grid-scale and residential storage, C&I BESS is now attracting serious attention from investors, policymakers, and technology developers alike, driven by a convergence of structural forces that did not exist in the same form even five years ago.

The most immediate and powerful demand driver is the AI-fuelled surge in data center construction. Across the United States, Europe, and Asia, hyperscale operators and colocation providers are racing to bring capacity online at a pace that conventional grid infrastructure cannot support. Interconnection queues stretching years into the future have turned battery storage from an operational convenience into a strategic necessity. Behind-the-meter BESS systems are now being deployed not merely to provide uninterruptible power supply - their traditional role - but to demonstrate grid flexibility to utilities, enabling faster interconnection approvals and allowing facilities to come online years ahead of schedule. The financial logic is compelling: the cost of a battery system is trivial relative to the revenue foregone by a delayed data center. At the same time, the shift toward AI compute workloads introduces MW-scale swings in power demand within a single facility, creating a new application for BESS as a real-time load buffer that smooths consumption and reduces peak demand charges. Both dynamics are accelerating adoption, and data centers are expected to be the fastest-growing C&I BESS application through the late 2020s.

Beyond data centers, the market is diversifying across a wide range of applications. Telecommunications infrastructure remains a large and stable source of demand, with 5G densification ongoing and 6G rollout beginning to shape investment decisions in China in particular. Battery storage at base stations provides critical backup power, and the transition from legacy lead-acid to lithium-ion continues at pace, with sodium-ion beginning to emerge as a credible alternative in cost-sensitive deployments. EV charging infrastructure presents a fast-growing opportunity as grid constraints bottleneck DC fast charger deployment, with battery-buffered charging systems increasingly the practical solution for operators who cannot wait for utility upgrades. In construction, agriculture, and mining, the electrification of heavy machinery is creating demand for on-site BESS to support fleet charging at locations that have no meaningful grid connection. These markets are earlier in development but represent significant long-run volume.

The technology landscape is more competitive and more varied than at any prior point. Lithium iron phosphate remains the dominant chemistry across C&I applications, offering a combination of cost, safety, and cycle life that alternatives struggle to match at scale. However, the supply chain politics surrounding LFP are reshaping the competitive landscape, particularly in the United States, where tariffs on Chinese cells and the 45X Manufacturing Production Tax Credit under the One Big Beautiful Bill Act are incentivising domestic production and altering the relative economics of imported versus domestically manufactured systems. This is creating both opportunity and uncertainty for buyers and integrators, and the outcome of this policy experiment will substantially influence where the US C&I BESS market sources its cells through the 2030s.

Alternative technologies are advancing in parallel. Redox flow batteries are gaining traction in data center and high-cycle industrial applications where their minimal degradation, non-flammable electrolyte, and independently scalable power and energy offer genuine advantages over lithium-ion. Sodium-ion is moving from pilot to early commercial deployment, second-life EV batteries are finding their first large-scale data center applications, and nickel-zinc is establishing a foothold in UPS-specific markets. No single alternative is positioned to displace lithium-ion wholesale, but each is carving out defensible niches where the specific demands of the application align with the technology's strengths.

Across all of this, the C&I BESS market is being shaped by a simple underlying truth: reliable, flexible, on-site energy storage is becoming as fundamental to commercial and industrial operations as the grid connection itself.

The commercial and industrial battery energy storage system market is entering a period of sustained and broad-based expansion. Long viewed as a secondary segment behind grid-scale and residential storage, C&I BESS is now attracting serious attention from investors, policymakers, and technology developers alike. The global C&I BESS market is forecast to reach US$21 billion in value by 2036, representing approximately fivefold growth from 2026 levels, driven by the AI-fuelled surge in data center construction, 5G and 6G telecoms rollout, EV charging infrastructure deployment, and the electrification of heavy industry.

This report provides granular 10-year market forecasts, primary interview-based competitive intelligence, technology benchmarking, and policy analysis across the full C&I BESS landscape. Key content includes:

• Data center BESS: Analysis of AI workload power volatility, interconnection bottlenecks, and the four distinct roles for battery storage - UPS, load buffering, interconnection enablement, and grid flexibility. Includes cost-benefit modelling, UPS topology comparisons, VRLA-to-Li-ion transition economics, the emerging long-duration UPS requirement, and a detailed review of alternative battery technologies including redox flow, sodium-ion, nickel-zinc, and second-life EV batteries at data centers
• Telecommunications: Coverage of 2G-to-6G energy demand evolution, LFP vs NMC at base stations, the digital upgrade cycle, sodium-ion for backup power, second-life EV battery deployments, and the 6G-driven demand wave in China
• EV charging infrastructure: DC fast charging grid bottlenecks, battery-buffered charging architectures, Infrastructure-as-a-Service models, megawatt charging requirements, and key project case studies
• Construction, agriculture and mining: Electrification drivers and barriers by sector, mine-site and farm-site BESS deployment models, portable and modular off-grid systems, and Indonesia mining industry case studies
• Other C&I applications: Microgrids, time-of-use arbitrage, peak shaving, and critical facility backup for hospitals, communities, and emergency services
• Technology benchmarking: Comprehensive comparison of LFP, NMC, Na-ion, redox flow, VRLA, second-life EV, nickel-zinc, and zinc-bromine chemistries across energy density, cycle life, safety, cost, and application fit
• US policy and supply chain: Full analysis of the One Big Beautiful Bill Act, 45X Manufacturing Production Tax Credit, Section 48 ITC, FEOC restrictions, MACR thresholds, and a plant-by-plant tracker of US LFP cell manufacturing build-out, with quantitative LFP cost modelling under multiple tariff and tax credit scenarios
• Competitive landscape: Strategic positioning of Chinese OEMs, Western integrators, UPS incumbents, and emerging specialists; key M&A, JV, and partnership activity 2024-2026; business model evolution toward energy-as-a-service
• 10-year forecasts: GWh demand and US$B market value by application and region (China, US, Europe, Rest of World), data center forecasts in GW by region, technology demand mix evolution, and three scenario framework

The report profiles the following companies across lithium-ion OEMs, flow battery developers, sodium-ion players, second-life specialists, alternative chemistries, analytics providers, and infrastructure deployers: ACCURE Battery Intelligence, Accu't, AEGIS Critical Energy Defence Corp., AEsir Technologies, AlphaESS, Alsym Energy, Altairnano / Yinlong, Ambri Inc., Allye Energy, Australian Vanadium Limited, BeePlanet Factory, BESSt, BTRY, BYD Energy Storage, Calibrant Energy, CATL, CellCube, China Sodium-ion Times, CMBlu Energy AG, Connected Energy, Dalian Rongke Power, Eaton Corporation, Eclipse, Elestor, ENGYCell, enspired, Eos Energy Enterprises, ESS Tech, EticaAG, EVE Energy, FlexBase, Fluence, Form Energy, GivEnergy, Gotion, Green Energy Storage (GES), Growatt, H2 Inc., Heiwitt, HiNa Battery Technologies, Idemitsu Kosan, Invinity Energy Systems, iWell, Kemiwatt, Kite Rise Technologies GmbH, Korid Energy / AVESS, Largo Inc., LG Energy Solutions, Luxera Energy, Meine Electric, Mitsubishi Electric, Narada Power, Natrium Energy, Natron Energy, NGK Insulators, Noon Energy, Ormat Technologies, Peak Energy and more.....

TABLE OF CONTENTS

1 EXECUTIVE SUMMARY

• 1.1 The C&I BESS market in 2026: why this decade is different
• 1.2 Ten things to know: analyst headline findings
• 1.3 The C&I BESS application universe: scope and definitions
• 1.4 From niche to mainstream: the ~5x growth case for C&I BESS 2026-2036
• 1.5 Technology landscape at a glance: who wins which application
• 1.6 The data center opportunity: AI, power constraints, and the battery response
• 1.7 The US domestic supply chain imperative: OBBBA, 45X, tariffs, and FEOC
• 1.8 Who competes and how: the C&I BESS player landscape
• 1.9 Key risks and uncertainties through 2036

2 THE DATA CENTER POWER CRISIS AND THE BESS RESPONSE

• 2.1 The Scale of the Problem
  • 2.1.1 AI, cloud, and hyperscale: the forces behind unprecedented power demand
  • 2.1.2 The interconnection queue bottleneck: why grid access, not capital, is the constraint
  • 2.1.3 Data center tier classifications and their implications for storage duration and redundancy
  • 2.1.4 The cost of downtime: financial, operational, and contractual exposure
• 2.2 How Battery Storage Answers the Problem
  • 2.2.1 Four distinct roles for BESS at data centers: UPS, load buffering, interconnection enablement, and grid flexibility
  • 2.2.2 Behind-the-meter vs front-of-meter deployments: which model suits which operator
  • 2.2.3 The BESS-as-interconnection-tool model: Aligned Data Centers and Calibrant Energy (31 MW/62 MWh, Oregon)
  • 2.2.4 Managing volatile AI compute loads: charge/discharge strategy and power smoothing
  • 2.2.5 Revenue stacking at a single data center BESS asset: UPS + peak shaving + demand response
  • 2.2.6 Cost-benefit framework and payback modelling for data center BESS
• 2.3 UPS in Depth
  • 2.3.1 UPS system topologies: offline, line-interactive, and double-conversion online - and when each applies
  • 2.3.2 The diesel generator inheritance: why lead-acid VRLA has dominated and why that is changing
  • 2.3.3 Hybrid BESS + diesel generator architectures: transitional configurations in practice
  • 2.3.4 Long-duration UPS (LDUPS): the emerging requirement for multi-hour runtime
  • 2.3.5 Case study: Riello UPS and Itility - Li-ion UPS deployment and operational learnings
  • 2.3.6 Case study: Eaton Corporation - UPS technology portfolio and key hyperscale projects
• 2.4 Alternative and Emerging Battery Technologies for Data Centers
  • 2.4.1 Why Li-ion alone may not be sufficient: thermal risk, degradation under high cycling, and FEOC exposure
  • 2.4.2 Redox flow batteries for high-cycle load buffering and LDUPS: technical case and commercial status
  • 2.4.3 Sodium-ion batteries for data center UPS
  • 2.4.4 Second-life EV batteries for data center applications
  • 2.4.5 Nickel-zinc for data center UPS
  • 2.4.6 Long-duration technologies at the data center frontier
  • 2.4.7 Technology adoption trajectory for data center BESS: 2026, 2030, and 2036 snapshots
• 2.5 Key Projects, Deals, and Market Developments (2024-2026)

3 COMMERCIAL & INDUSTRIAL BATTERY STORAGE: APPLICATIONS BEYOND DATA CENTERS

• 3.1 Telecommunications Base Stations
  • 3.1.1 Network generations and their energy signatures: from 2G macro towers to 6G dense networks
  • 3.1.2 Battery storage in telecom: the UPS baseline and the expanding value case
  • 3.1.3 US legal requirements for backup power at telecommunications infrastructure
  • 3.1.4 LFP vs NMC at base stations: temperature tolerance, cycle life, and total cost comparison
  • 3.1.5 The digital upgrade cycle: intelligent BMS and remote monitoring at telecom sites
  • 3.1.6 Sodium-ion for base station backup: Highstar's LFP vs Na-ion production positioning
  • 3.1.7 Second-life EV batteries for telecom backup: commercial viability and key deployments
  • 3.1.8 The 6G-driven demand wave in China: macro tower deployment and storage implications
• 3.2 EV Charging Infrastructure
  • 3.2.1 The DC fast charging grid bottleneck: how utility upgrade timelines strangle DCFC deployment
  • 3.2.2 How battery-buffered EV charging works: power flow, sizing logic, and cycle profile
  • 3.2.3 Infrastructure-as-a-Service (IaaS) for off-grid fast charging: business model and economics
  • 3.2.4 Megawatt charging and the next generation of BESS requirements: BYD Super-e platform
  • 3.2.5 Key projects: FEV Mobile Fast Charging, E.ON Drive Booster, Jolt MerlinOne
• 3.3 Construction, Agriculture & Mining (CAM)
  • 3.3.1 The electrification case for CAM: TCO, emissions regulation, and operational efficiency
  • 3.3.2 Electric construction vehicles: current fleet composition and battery size implications for site BESS
  • 3.3.3 Agricultural vehicle electrification: tractor, combine, and ancillary fleet - BESS at farm sites
  • 3.3.4 Mining vehicle electrification: underground vs surface fleet and implications for mine-site BESS
  • 3.3.5 Portable and modular BESS for off-grid and remote CAM operations
  • 3.3.6 Case study: C&I BESS in Indonesia's mining industry - Schneider Electric project insights
  • 3.3.7 Case study: Turntide Technologies module supply for JCB portable battery storage
• 3.4 Factories, Hospitals, Communities & Other C&I Applications
  • 3.4.1 The broader C&I BESS universe: who buys, why, and at what scale
  • 3.4.2 Microgrids: architecture, motivations, ownership models, and BESS role
  • 3.4.3 Microgrid case studies: Schneider Electric key projects
  • 3.4.4 Time-of-use (TOU) arbitrage and demand charge reduction: mechanics, economics, and limits
  • 3.4.5 Peak shaving: demand charge reduction and payback modelling for commercial facilities
  • 3.4.6 Critical facility backup: hospitals, emergency services, and disaster relief BESS

4 BATTERY STORAGE TECHNOLOGIES FOR C&I APPLICATIONS

• 4.1 Technology Landscape Overview
  • 4.1.1 The C&I technology universe: from established to emerging
  • 4.1.2 Benchmarking: methodology and weighting
  • 4.1.3 Technology demand split by chemistry 2025-2036 (%)
• 4.2 Lithium-Ion: LFP and NMC
  • 4.2.1 The LFP vs NMC decision: how application requirements drive chemistry choice
  • 4.2.2 Li-ion battery family tree: cathode chemistry variants and their C&I relevance
  • 4.2.3 C&I Li-ion BESS product benchmarking: key manufacturer system specifications compared
  • 4.2.4 C&I Li-ion BESS cost breakdown by component: 2025 baseline
  • 4.2.5 Li-ion C&I BESS cost evolution to 2036: component-level projections
  • 4.2.6 The US domestic LFP supply chain: context, urgency, and current state
  • 4.2.7 OBBBA, FEOC restrictions, and MACR thresholds: what they mean for C&I BESS buyers and suppliers
  • 4.2.8 45X Manufacturing Production Tax Credit and Section 48 ITC: quantitative analysis for C&I BESS
  • 4.2.9 LFP cost model: US domestic cell (with 45X) vs Chinese import cell (with tariffs), 2026 and beyond
• 4.3 Redox Flow Batteries
  • 4.3.1 RFB operating principle: how power and energy are decoupled and why that matters for C&I
  • 4.3.2 Vanadium RFB: performance profile, cost structure, and C&I application fit
  • 4.3.3 RFB vs Li-ion for C&I: where the economics cross over by application and duration
  • 4.3.4 RFB project database 2023-2025: C&I vs grid-scale by MWh and application
  • 4.3.5 Organic and all-iron RFBs: technical differentiation and C&I deployment examples
• 4.4 Sodium-Ion Batteries
  • 4.4.1 Na-ion fundamentals: why the chemistry is attracting C&I interest now
  • 4.4.2 Na-ion performance appraisal: honest assessment of strengths, weaknesses, and remaining gaps
  • 4.4.3 Na-ion cost trajectory vs LFP: when does it compete?
  • 4.4.4 Na-ion for stationary C&I storage: current deployments and near-term pipeline
  • 4.4.5 Key players
• 4.5 Second-Life Electric Vehicle Batteries
  • 4.5.1 The second-life value chain: from OEM return to C&I BESS deployment to end-of-life recycling
  • 4.5.2 State-of-health screening and repurposing economics: what makes a pack viable
  • 4.5.3 Key deployments and lessons
  • 4.5.4 Risks: SoH variability, warranty gaps, fire risk, and regulatory uncertainty
• 4.6 Zinc-Based and Niche Alternative Chemistries
  • 4.6.1 Nickel-zinc (Ni-Zn): non-flammable UPS credentials and data center case
  • 4.6.2 Zinc-bromine (Zn-Br): Eos Energy Z3 - technology profile, DOE loan, and C&I/industrial target markets
  • 4.6.3 Vanadium-ion batteries
  • 4.6.4 Lead-acid (VRLA): residual role, ongoing displacement, and applications where it remains relevant

5 US MANUFACTURING, POLICY & SUPPLY CHAIN

• 5.1 The domestic manufacturing imperative: why policy is reshaping the US C&I BESS supply chain
• 5.2 The One Big Beautiful Bill Act (OBBBA): full provisions and C&I BESS implications
• 5.3 45X Manufacturing Production Tax Credit: who qualifies, at what value, and how it changes LFP economics
• 5.4 Section 48 Investment Tax Credit (ITC): eligibility, stacking with 45X, and C&I project economics
• 5.5 FEOC restrictions and MACR thresholds: which Chinese suppliers are affected and by when
• 5.6 Tariff analysis
• 5.7 US LFP cell manufacturing build-out: plant-by-plant tracker
• 5.8 European policy context: EU Battery Regulation, CBAM, and net metering updates
• 5.9 China industrial policy: local content, 6G-linked BESS stimulus, and state-owned enterprise activity

6 COMPETITIVE LANDSCAPE & PLAYER STRATEGY

• 6.1 The C&I BESS competitive structure: incumbents, integrators, and disruptors
• 6.2 How Chinese OEMs (CATL, BYD, Huawei, Gotion, Sungrow) are approaching C&I markets outside China
• 6.3 Western system integrators and UPS incumbents: Eaton, Schneider Electric, Saft, Mitsubishi - how they are adapting
• 6.4 Emerging C&I specialists: how start-ups are carving out niches in data centers, second-life, and flow batteries
• 6.5 Key strategic partnerships, JVs, and M&A activity 2024-2026
• 6.6 Business model evolution: from product sales to energy-as-a-service and outcome-based contracts

7 MARKET FORECASTS 2025-2036

• 7.1 Methodology and Assumptions
  • 7.1.1 Forecast scope: applications, geographies, metrics, and time horizon
  • 7.1.2 Bottom-up methodology: application-level demand drivers and inputs
  • 7.1.3 Scenario definitions: base case, accelerated adoption, and conservative
• 7.2 Global Demand by Application (GWh)
  • 7.2.1 Global C&I BESS demand by application, 2025-2036 (GWh)
  • 7.2.2 Data center BESS demand by region, 2025-2036 (GW and GWh)
  • 7.2.3 Telecom base station BESS demand: 5G vs 6G split, 2025-2036 (GWh)
  • 7.2.4 EV charging BESS demand, 2025-2036 (GWh)
  • 7.2.5 CAM BESS demand, 2025-2036 (GWh)
  • 7.2.6 Other C&I BESS demand, 2025-2036 (GWh)
  • 7.2.7 Application share shift: 2026, 2031, and 2036 compared
• 7.3 Global Demand by Region (GWh)
  • 7.3.1 China, 2025-2036 (GWh)
  • 7.3.2 United States, 2025-2036 (GWh)
  • 7.3.3 Europe, 2025-2036 (GWh)
  • 7.3.4 Rest of World, 2025-2036 (GWh)
• 7.4 Market Value by Application and Region (US$B)
  • 7.4.1 Global C&I BESS market value by application, 2025-2036 (US$B)
  • 7.4.2 Global C&I BESS market value by region, 2025-2036 (US$B)
• 7.5 Technology Demand Outlook (% GWh)
  • 7.5.1 C&I BESS technology mix evolution, 2025-2036

8 COMPANY PROFILES

• 8.1 Lithium-Ion System Integrators and OEMs 131 (19 company profiles)
• 8.2 Power Management, UPS & System Integration Specialists (4 company profiles)
• 8.3 Redox Flow Battery Players 159 (30 company profiles)
• 8.4 Sodium-Ion and Alternative Chemistry Players (13 company profiles)
• 8.5 Sodium-Sulfur Batteries (1 company profile)
• 8.6 Liquid Metal Batteries (1 company profile)
• 8.7 Advanced Lead-Acid 219 (1 company profile)
• 8.8 Second-Life EV Battery Players (8 company profiles)
• 8.9 Niche Chemistries: Zinc and Nickel (4 company profiles)
• 8.10 Battery Analytics, BMS & Enabling Technology Providers (4 company profiles)
• 8.11 Specialist Deployers & Infrastructure Players (13 company profiles)

9 REFERENCES