Gitnux/Report 2026

Chloralkali Industry Statistics

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Chloralkali Industry Statistics
Samuel NorbergWritten by Samuel Norberg·Fact-checked by Maya Johansson
Published
How this report is researched
01Editorial Scope

Gitnux editors write the brief first: the topic, the inclusion rules, and the frame for what belongs.

02Source Research

Agents search the published record and log every extracted figure back to the passage it came from.

Read our full methodology →

Search agents attach provenance to every extracted figure.

Next review: within 31 days

01 Industry overview

The chloralkali industry at a glance

The global chlor-alkali market was valued at $54.2 billion in 2025, with Asia-Pacific accounting for 59.8% of revenue as producers balance solid chemical demand with high electricity costs and tighter environmental rules.

$54.2B[62]
Global market size, 2025
1.9%[62]
Forecast CAGR, 2026–2034
59.8%[62]
Asia-Pacific share, 2025
80%+[51]
Top three U.S. capacity share, 2020
Market size
The global chlor-alkali market was valued at $54.2 billion in 2025 and is estimated at $55.3 billion for 2026. North America generated $9.3 billion and Europe $6.2 billion in 2025.[62]
Forecast & CAGR
The market is forecast to reach $64.6 billion by 2034, representing a 1.9% CAGR from 2026 to 2034. Forecast demand is supported by caustic soda applications in alumina, water treatment, pulp and paper, and chemicals.[62]
Market share & regions
Asia-Pacific held 59.8% of global chlor-alkali market revenue in 2025, equivalent to approximately $31.1 billion. Europe represented 11.6%, while North America generated approximately $9.3 billion.[62]
Segmentation
The industry is divided principally between chlorine and caustic soda, with applications spanning vinyls, water treatment, paper and pulp, alumina, textiles, soaps and detergents, and organic and inorganic chemicals. Membrane-cell technology accounted for 62.78% of market size by production process in 2025, according to Mordor Intelligence.[62][63]
Key players & concentration
The U.S. market is concentrated: Olin, OxyChem and Westlake owned more than 80% of national chlor-alkali production capacity in 2020. Westlake reported capacity of approximately 7.4 billion pounds of chlorine and 8.1 billion pounds of caustic soda in its 2025 annual-report data.[51][19]
Pricing
Argus assessed April 2025 caustic soda prices at $625–660 per dry short ton for North American domestic Gulf Coast contracts, $500–550 per dry metric ton for Northwest Europe exports, and $400–440 per dry metric ton for Northeast Asia exports. S&P Global assessed U.S. caustic soda FOB-plant prices at $545–555 per dry short ton on May 19, 2026.[41][64]
Trends, drivers & challenges
Electricity accounts for more than 40% of chlor-alkali operating costs, making power prices and plant utilization central profitability drivers. In Europe, chlorine production fell 3.1% to 7.79 million tonnes in 2025, while average capacity utilization was 67.6%, reflecting weak industrial demand, high energy costs and production rationalization.[62][11]
Consumer behavior & competition
Demand is primarily industrial rather than consumer-direct: chlorine is used in water disinfection, PVC and chemical intermediates, while caustic soda serves alumina, pulp and paper, detergents, textiles and water treatment. Competition is shaped by integrated sites that consume chlorine internally and sell or export caustic soda, with regional supply balances strongly affecting prices.[11][62][41]
M&A
In August 2026, INEOS Inovyn agreed to acquire the remaining 50% of Runcorn MCP Limited and associated ethylene dichloride assets and employees from Vynova Runcorn, subject to legal and regulatory processes. The transaction is intended to preserve integrated chlor-alkali and downstream vinyls operations in the United Kingdom.
Regulation
The U.S. Environmental Protection Agency finalized a March 28, 2024 rule prohibiting the manufacture and import of chrysotile asbestos for chlor-alkali diaphragms immediately. Eight remaining U.S. facilities using asbestos diaphragms must transition to non-asbestos diaphragms or membrane technology, with six scheduled to complete transition within five years.[65]
Latest news
Euro Chlor reported that European chlorine production totaled 7.79 million tonnes in 2025, down 3.1% from 2024, while December output was 629,536 tonnes and capacity utilization was 64.4%. In February 2026, S&P Global reported that Asian caustic soda cargoes were moving toward Europe as Asian prices eased and regional capacity rationalization altered trade flows.[11][64]

02 Ranking

Top 10 Companies in the Chloralkali Industry

The leading companies in the chloralkali industry, ranked on market impact, performance, momentum, innovation and brand popularity.

Updated November 11, 2026 · Next review December 11, 2026

Verdict

Unipar leads Gitnux's 2026 chloralkali ranking with an Overall score of 9.1, with chlor-alkali and chlorinated chemicals production in Brazil. Shin-Etsu Chemical is the runner-up at 8.9, with operating margin 24.68% and revenue growth 0.5% signals.

Ranked by Overall score · How we score ↓

Editor's top 3 picks

Where to start, by need.

  1. #1 Overall · Leader in chlor-alkali production

    Unipar

    BR

    Ranked #1 · 9.1 · Chlor-alkali production

    Why we picked it: It focuses on chlor-alkali chemicals in Brazil, tying production to regional demand and electricity costs.

    See in ranking ↓Visit unipar.com ↗

  2. Leader in PVC and vinyls

    INEOS Inovyn

    GB

    Ranked #3 · 8.7 · PVC and vinyls

    Why we picked it: Its integrated PVC and chlor-alkali footprint links chlorine supply to vinyl demand.

    See in ranking ↓Visit ineos.com ↗

  3. Leader in caustic soda chemicals

    Gujarat Alkalies and Chemicals

    IN

    Ranked #4 · 8.5 · Caustic soda chemicals

    Why we picked it: It manufactures caustic soda, caustic potash, chloromethanes, diversifying chlor-alkali outputs.

    See in ranking ↓Visit gacl.com ↗

Pick 1 is the #1 company overall. Picks 2 and 3 are the highest-ranked companies in the top 5 that add a new segment.

Full ranking

Sort by
Top 10 companies in the chloralkali industry, 2026 – Gitnux ranking
#CompanyOverall ↓Company snapshot
1

Unipar

Chlor-alkali production · BR

9.1
2

Shin-Etsu Chemical

Chlor-alkali production · JP

8.9
3

INEOS Inovyn

PVC and vinyls · GB

8.7
4

Gujarat Alkalies and Chemicals

Caustic soda chemicals · IN

8.5
5

Grasim Industries

Chlor-alkali production · IN

8.5
6

Chemplast Sanmar

Caustic soda and chloromethanes, India · IN

8.4
7

Olin

Chlor-alkali and vinyls, global · US

8.3
8

AGC

Essential chemicals and chlor-alkali · JP

8.3
9

Nirma

Chlor-alkali and inorganic chemicals, India · IN

8.3
10

Westlake

Chlor-alkali, chlorovinyls and PVC · US

8.0

How we score

  • Impact (30%): scale and weight in the market (revenue, market share, employees, market position).
  • Performance (20%): recent revenue growth and operating margin; an analyst assessment where a company does not publish them.
  • Momentum (20%): growth trajectory and future potential.
  • Innovation (15%): R&D intensity and how technologically advanced the company is.

Popularity (brand search demand, 15%) counts toward Overall but is not published as a column. Overall leaves out what is not known.

Scale Scores are shown on a 7–10 scale with one decimal; bars start at 7.0.

Cadence Recalculated when new figures are published; next review December 11, 2026.

Independence. Rankings are editorially independent. Scores, ranks, picks and the verdict follow the method above; no company can pay to change them.

Cite this ranking

APA

Samuel Norberg. (2026, November 11). Top 10 companies in the chloralkali industry. In Chloralkali Industry Statistics. Gitnux. https://gitnux.org/chloralkali-industry-statistics/#top-companies

report visual · Comparison

Installed EU chlor-alkali capacity by chlorine manufacturing technology

Membrane holds the largest share at 81.9%.

Membrane81.9%
Diaphragm10.1%
Others8%
source-verifiedchlorineindustryreview.com

04 Statistics

Technology & Innovation

Digitalization and AI activity show up in chlor-alkali smart-factory programs, with IBM noting 53% using AI for real-time process control and optimization in 2025.

AI in the chloralkali industry

  • 4 AI-in-process projects were targeted by CGPC for 2025 in its Chlor-Alkali Business Group.[1]
  • 2 machine-learning applications were identified by CGPC as projects for its Chlor-Alkali Business Group’s smart-factory program in 2023.[1]
  • 3 AIOT intelligent-manufacturing projects were completed by CGPC’s Chlor-Alkali Business Group in Taiwan in 2023.[1]
  • 3 AI-in-process projects were completed by the Chlor-Alkali Business Group of CGPC in Taiwan in 2023.[1]
  • 3 AIOT intelligent-manufacturing projects were targeted by CGPC for 2025 in its Chlor-Alkali Business Group.[1]

Automation in the chloralkali industry

  • 3 AI-in-process projects were targeted by CGPC for 2030 in its Chlor-Alkali Business Group.[1]
  • 5 AIOT intelligent-manufacturing projects were targeted by CGPC for 2030 in its Chlor-Alkali Business Group.[1]

Digital Transformation in the chemicals and materials sector (sector benchmark)

  • Across European chemical subindustries, 65% of companies viewed digitalization as an opportunity that would significantly impact their activities in 2024.[2]
  • Among EII businesses, 68% reported adopting AI in 2024, with an estimated 10% productivity increase.[2]
  • Among ASUG chemicals-industry members, 57% identified moving to SAP S/4HANA as a top focus area in 2025.[3]
  • Among ASUG chemicals-industry members, 46% ranked automation among their leading technology focus areas in 2025.[3]

Technology Adoption in the chemicals and materials sector (sector benchmark)

  • Among chemicals organizations surveyed by IBM, 53% had implemented AI for real-time process control and optimization in 2025.[4]
  • Among chemicals organizations surveyed by IBM, 49% had implemented AI for production planning and scheduling in 2025.[4]
  • Among chemicals organizations surveyed by IBM, 49% had implemented AI for quality inspection or defect detection in 2025.[4]
  • Among chemicals organizations surveyed by IBM, 45% had implemented AI for supply-chain optimization in 2025.[4]

Cloud Computing in the chemicals and materials sector (sector benchmark)

  • Across chemical-sector companies surveyed by Arthur D. Little and Cefic, more than 35% had at least partially migrated to cloud computing in 2023.[5]
  • Among EII businesses, 2% reported decreased productivity from cloud computing in 2024.[2]
  • Across chemical-sector companies surveyed by Arthur D. Little and Cefic, 15% planned to migrate to cloud computing in coming years in 2023.[5]
  • Among EII businesses, 52% reported increased productivity from cloud computing in 2024, while 46% reported no change.[2]

Big Data in the chemicals and materials sector (sector benchmark)

  • Among EII businesses, 44% reported no productivity change from big data in 2024.[2]
  • Among EII businesses, 6% reported decreased productivity from big data in 2024.[2]
  • Among EII businesses, 48% reported increased productivity from big data in 2024.[2]
  • Among ASUG chemicals-industry members, 49% cited gaining actionable insights from data and analytics as a current challenge in 2025.[3]

IoT in the chemicals and materials sector (sector benchmark)

  • Across 23 European countries, close to one-third of manufacturing firms used IoT in 2021.[6]
  • Among EII businesses, 44% reported increased productivity from IoT in 2024.[2]
  • Among EII businesses, 56% reported no productivity change from IoT in 2024.[2]
  • Across European countries, 29% of firms used IoT on average in 2021.[6]

Innovation in the chloralkali industry

  • 684 chlor-alkali patents were filed globally between 2000 and 2024, according to a 2025 patent-landscape analysis.[7]
  • 0.49 climate-change-mitigation patents per 1,000 employees were recorded for EU chlor-alkali under NACE 20.13.[8]
  • INR 58.35 lakh was spent on research and development by Chemfab Alkalis during its 2021–22 reporting period.[9]

05 Statistics

Data & Analytics

Safety and reporting rates are measurable through Euro Chlor’s dataset, with a 53.8% process-incident reporting rate in 2025 and 0.93 incidents per million tonnes of chlorine.

Business intelligence in the chloralkali industry

  • 40 process incidents were reported by Euro Chlor members in 2022, the highest annual count shown in the 2011–2025 Euro Chlor series.[10]
  • 60 manufacturing locations were represented in Euro Chlor’s European chlor-alkali industry dataset for 2025 capacity reporting.[11]
  • 33 process incidents were reported by Euro Chlor members in 2023, providing a historical comparison point for industry safety analysis.[10]
  • 14 incident reports were received from Euro Chlor members in 2025, producing a 53.8% reporting rate.[10]
  • 26 process incidents were reported by Euro Chlor members in 2025, forming part of the industry’s annual safety intelligence dataset.[10]
  • 11 megatonnes of member chlorine capacity was represented in Euro Chlor’s European industry overview published in 2026.[11]

Data analytics in the chloralkali industry

  • 0.93 process incidents per million tonnes of chlorine was the 2025 Euro Chlor member rate for chlorine-related incidents.[10]
  • 1.91 sodium-hydroxide or potassium-hydroxide process incidents per million tonnes of chlorine were recorded by Euro Chlor members in 2023.[10]
  • 0.79 process incidents per million tonnes of chlorine was the 2025 Euro Chlor member rate for sodium hydroxide or potassium hydroxide.[10]
  • 0.40 process incidents per million tonnes of chlorine was the 2025 Euro Chlor member rate for bleach-related incidents.[10]
  • 0.53 process incidents per million tonnes of chlorine was the 2025 Euro Chlor member rate for hydrochloric-acid-related incidents.[10]
  • 0.88 hydrochloric-acid-related process incidents per million tonnes of chlorine were recorded by Euro Chlor members in 2024.[10]

Data Quality in the chemicals and materials sector (sector benchmark)

  • 49% of supply-management organizations rated their data quality as good or excellent in 2024, based on an Institute for Supply Management survey.[12]
  • 80% of manufacturers reported a measured value for their operational data in 2026, across the surveyed manufacturing sector.[13]
  • 44% of companies in the manufacturing survey reported AI-project failures caused by poor data quality in 2025, across surveyed manufacturers.[14]
  • 67% of supply-management organizations said their data quality was better or significantly better than two years earlier in 2024.[12]
  • 89% of manufacturers said data use improved their decision-making processes in 2026, across the surveyed manufacturing sector.[13]
  • 42% of manufacturers had a process to verify manufacturing-data accuracy and quality in 2026, while 51% did not.[13]

Data Governance in the chemicals and materials sector (sector benchmark)

  • 90% of supply-management organizations agreed or strongly agreed that data governance was necessary in 2024.[12]
  • 28% of manufacturers had a data-governance leader in 2026, across the Manufacturing Leadership Council survey.[13]
  • 46% of GCC chemical companies had established common data standards with collaboration partners in 2022.[15]
  • 61% of supply-management organizations had a dedicated data-governance function in 2024, based on a survey of more than 121 respondents.[12]
  • 67% of GCC chemical companies had established performance management or KPIs around digital supply chains in 2022.[15]
  • 52% of global chemical companies had established performance management or KPIs around digital supply chains in 2022.[15]

KPIs in the chloralkali industry

  • 2.68 lost-time injuries per million working hours was Euro Chlor members’ chlor-alkali frequency rate in 2022.[10]
  • 53.8% was Euro Chlor members’ process-incident reporting rate in 2025.[10]
  • 1.57 lost-time injuries per million working hours was Euro Chlor members’ chlor-alkali frequency rate in 2025.[10]
  • 73% was Euro Chlor members’ process-incident reporting rate in 2023.[10]
  • 61% was Euro Chlor members’ process-incident reporting rate in 2024.[10]
  • 2.42 lost-time injuries per million working hours was Euro Chlor members’ chlor-alkali frequency rate in 2023.[10]

06 Statistics

Strategy & Growth

Demand forecasts remain moderate: the global market is forecast to reach $64.6 billion by 2034, and 1.9% CAGR runs from 2026 to 2034.

Growth in the chloralkali industry

  • 323.9 million tonnes was the projected global chlor-alkali market volume for 2030 in thyssenkrupp nucera’s market outlook.[16]
  • 1.9% was expected full-year 2025 global demand growth for caustic soda in thyssenkrupp nucera’s 2025 annual report.[16]
  • 5.3% was the projected compound annual growth rate for India’s caustic-soda production from 2023–24 to 2049–50.[17]
  • 2.0% was expected full-year 2025 global demand growth for chlorine in thyssenkrupp nucera’s 2025 annual report.[16]
  • 3.1% was the projected average annual growth rate for global chlor-alkali volume from 2025 to 2030 in thyssenkrupp nucera’s 2025 annual report.[16]
  • 277.9 million tonnes was the projected global chlor-alkali market volume for 2025 in thyssenkrupp nucera’s market outlook.[16]

Differentiation in the chloralkali industry

  • 720,000 tonnes was AGC Vinythai’s caustic-soda capacity in Thailand in AGC’s 2024 regional capacity overview.[18]
  • 100 billion yen was the expected minimum investment in AGC’s Thailand chlor-alkali expansion.[18]
  • 700,000 tonnes was Asahimas Chemical’s caustic-soda capacity in Indonesia in AGC’s 2024 regional capacity overview.[18]
  • 1.6 million tonnes was AGC’s planned Southeast Asian PVC capacity after its Thailand expansion.[18]
  • 1.64 million tonnes was AGC’s planned Southeast Asian caustic-soda capacity after its Thailand expansion.[18]
  • 1.7 million tonnes was AGC’s planned Southeast Asian VCM capacity after its Thailand expansion.[18]

Mergers and acquisitions in the chloralkali industry

  • 55% was the share of Olin’s total trailing-twelve-month revenue attributed to Chlor Alkali Products and Vinyls in its 2024 investor presentation.[19]
  • $327 million was the purchase price for ANSA McAL’s 2024 acquisition of U.S. chlor-alkali producer BLEACHTECH.[20]
  • $475.7 million was Olin’s 2024 gross margin from Chlor Alkali Products and Vinyls.[19]
  • 143 years was ANSA McAL’s history when it completed its largest-ever acquisition, BLEACHTECH, in 2024.[20]
  • 12 manufacturing facilities comprised Olin’s chlor-alkali and vinyls footprint presented during its 2024 investor day.[19]
  • 35 years was the period ANSA McAL Chemicals had served Caribbean water-treatment markets before acquiring BLEACHTECH.[20]

Strategic partnerships in the chloralkali industry

  • 1.7 million tonnes was AGC’s planned Southeast Asian VCM capacity following its Thailand expansion program.[18]
  • $2 billion was the investment planned for the TA’ZIZ and Reliance strategic chlor-alkali, EDC and PVC joint venture in Ruwais in 2021.[21]
  • 1.6 million tonnes was AGC’s planned Southeast Asian PVC capacity following its Thailand expansion program.[18]
  • 500,000 metric tons per year was the planned EDC output of the Chandra Asri–Indonesia Investment Authority project in Indonesia.[22]
  • 400,000 metric tons per year was the planned caustic-soda output of the Chandra Asri–Indonesia Investment Authority project in Indonesia.[22]
  • 340,000 tons per year was the planned chlorine capacity of the PCC GulfChem project supported by a 2024 Chemours supply agreement.[23]

07 Statistics

People & Workforce

Work arrangement data points to mixed adoption, with 25% of U.S. remote-capable employees working exclusively remotely in August 2026 and 44.5% fully hybrid in 2024.

Remote Work in the chemicals and materials sector (sector benchmark)

  • Across U.S. chemical and pharmaceutical manufacturing employers, 5.7% of positions were fully remote in 2024.[24]
  • Across U.S. remote-capable employees, 25% worked exclusively remotely in August 2026.[25]
  • Among U.S. energy, natural-resources and chemicals workers, 8% preferred fully remote work in 2025.[26]
  • Among U.S. energy, natural-resources and chemicals workers, 25% preferred mostly remote work in 2025.[26]

Hybrid Work in the chemicals and materials sector (sector benchmark)

  • Across U.S. hybrid employees, 48% said their team had not discussed a formal or informal collaboration plan in 2026.[25]
  • Across U.S. chemical and pharmaceutical manufacturing employers, 44.5% of positions were fully hybrid in 2024.[24]
  • Across U.S. remote-capable employees, 61% preferred a hybrid work arrangement in November 2025.[25]
  • U.S. hybrid employees spent an average of 46% of their workweek on-site in 2026.[25]
  • Across U.S. remote-capable employees, 54% worked in a hybrid arrangement in August 2026.[25]

Upskilling in the chloralkali industry

  • 668 production employees worked for Shanghai Chlor-Alkali Chemical and its major subsidiaries in China at the end of 2022.[16]
  • 8,973 employee training attendances were recorded by Shanghai Chlor-Alkali Chemical in China in 2023.[16]
  • 160 research-and-development employees worked for Shanghai Chlor-Alkali Chemical and its major subsidiaries in China at the end of 2022.[16]
  • 5 employees attended special-equipment accident-prevention training at Shanghai Chlor-Alkali Chemical in China in 2023.[16]
  • 8,550 frontline-employee training attendances represented 95.3% of Shanghai Chlor-Alkali Chemical’s training attendances in China in 2023.[16]

Employee Engagement in the chemicals and materials sector (sector benchmark)

  • Among global managers, 22% were engaged at work in 2025, compared with 19% of non-managers.[25]
  • Across employees in the United States and Canada, 31% were engaged at work in 2025.[25]
  • Across employees worldwide, 20% were engaged at work in 2025.[25]
  • Across employees in the United States, 32% were engaged at work in 2025.[25]
  • Across best-practice organizations recognized by Gallup, 70% of employees were engaged in 2025.[25]

Change Management in the chemicals and materials sector (sector benchmark)

  • Across leaders in the United States, United Kingdom, Australia and Canada, change management was associated with a reported 4:1 return on investment in 2026.[27]
  • Across organizations surveyed globally, 56% said they were succeeding at business outcomes during times of change in 2023.[28]
  • Across organizations surveyed globally, 46% said they were succeeding at business outcomes during times of change in 2022.[28]
  • Across organizations surveyed globally, 60% said they were succeeding at business outcomes during times of change in 2024.[28]
  • Across leaders in the United States, United Kingdom, Australia and Canada, 73% reported employee change fatigue in 2026.[27]

08 Statistics

Marketing & Brand

Influencer Marketing in the chemicals and materials sector (sector benchmark)

  • Across B2B companies, 56% of marketers identified social-media posts as the most effective influencer-program content type in a September 2024 U.S. survey.[29]
  • In U.S. manufacturing, 19% of marketers used influencer marketing among paid channels in the prior 12 months, according to a 2025 industry benchmark.[30]
  • Across B2B companies, 29% of marketers planned to adopt influencer marketing within the following year in a March 2025 Ipsos survey.[31]
  • Across B2B companies, 55% of marketers used creators in 2025, based on a March 2025 Ipsos survey of 1,500 marketing professionals.[31]
  • Across B2B companies, 81% of marketers had a dedicated influencer-marketing budget in a September 2024 U.S. survey of firms with at least 100 employees.[29]

09 Statistics

Operations & Execution

Operational pressure shows through energy intensity and utilization: electricity accounts for more than 40% of chlor-alkali operating costs, while Grasim cited 88% capacity utilization in 2023–24.

Process optimization in the chloralkali industry

  • 25% lower electricity consumption is cited by India’s NITI Aayog for technology improvements in the chlor-alkali sector.[17]
  • 1,375 tonnes per day was the caustic-soda production capacity of DCM Shriram’s Bharuch chlor-alkali facility in India in FY2024.[32]
  • 850 tonnes per day was the planned additional caustic-soda capacity at DCM Shriram’s Bharuch facility in FY2024.[32]
  • 2,060 kWh per tonne of NaOH was the reported energy consumption of the n-BiTAC chlor-alkali electrolyzer launched in 2005.[33]
  • 2,010–2,025 kWh per tonne of NaOH was the reported power-consumption range for the nx-BiTAC chlor-alkali electrolyzer introduced in 2013.[33]

Operational efficiency in the chloralkali industry

  • 88% was Grasim Industries’ chlor-alkali capacity utilisation in financial year 2023–24 in India.[34]
  • 17% of total electrical capacity was used by European chlor-alkali producers for electricity-system flexibility in a 2023 member survey.[11]
  • More than 550 MW of electrical capacity was available from European chlor-alkali producers for grid-flexibility services in 2023.[11]
  • 60–100% was the reported practical capacity-utilisation range for European chlor-alkali plants, with most plants targeting more than 80%.[11]
  • 85.1% was European chlor-alkali primary energy consumption in 2023 relative to the 2001 reference year.[11]

Quality management in the chloralkali industry

  • 31 December 2028 is the expiration date of Olin Chlor Alkali Products and Vinyls’ ISO 9001:2015 quality-management certificate.[35]
  • 8 manufacturing sites were operated by Aditya Birla Chemicals after commissioning its Balabhadrapuram chlor-alkali facility in India.[36]
  • ISO 9001:2015 certification covered Olin’s manufacture of chlorine, sodium hypochlorite, potassium hydroxide and caustic-soda solution in the United States in 2025.[35]

Supply chain in the chloralkali industry

  • 23 owned facilities worldwide were reported by OxyChem in its 2024 investor presentation.[37]
  • 910 million pounds was the annual caustic-soda capacity of Westlake’s Lake Charles diaphragm chlor-alkali unit targeted for rationalisation.[38]
  • 60 manufacturing locations in 18 European countries were represented by Euro Chlor members in the 2025 capacity dataset.[11]
  • 825 million pounds was the annual chlorine capacity of Westlake’s Lake Charles diaphragm chlor-alkali unit targeted for rationalisation.[38]
  • 38 member companies operating 62 manufacturing locations in 19 countries were represented in Euro Chlor’s September 2024 production data.[11]

Outsourcing / Offshoring in the chemicals and materials sector (sector benchmark)

  • Across North American specialty chemicals, 100% of customer respondents allocated only 0–25% of company capital expenditure to reshoring projects in 2025.[39]
  • Across North American specialty chemicals, 43% of customer respondents actively drove onshoring projects with suppliers and achieved some success in 2025.[39]
  • Across North American specialty chemicals, 50% of customer respondents actively drove onshoring projects with suppliers but reported no success in 2025.[39]
  • Across North American specialty chemicals, 50% of customer respondents were actively pushing onshoring projects in 2025.[39]
  • Across 22 EU countries and Norway, 34.1% of enterprises engaged in international sourcing cited labour-cost reduction as a motivation during 2021–2023.[40]

10 Statistics

Finance & Pricing

Caustic soda pricing spans regions and time, including S&P Global’s May 19, 2026 U.S. FOB-plant range of $545–555 per dry short ton.

Pricing strategy in the chloralkali industry

  • 610–635 US dollars per dry short ton was the U.S. Gulf Coast caustic-soda contract range reported for April 2024.[41]
  • 370–415 US dollars per dry metric tonne was the U.S. Gulf Coast export caustic-soda range in week 19 of 2024.[41]
  • 360–370 US dollars per dry metric tonne was the Middle Eastern exported caustic-soda range in May 2024.[41]
  • 440–468 US dollars per dry metric tonne was the Southeast Asian imported caustic-soda range in May 2024.[41]
  • 23% was the year-on-year decline in the average global caustic-soda price in Q4 FY2024.[42]

Cost reduction in the chloralkali industry

  • 40–50% of caustic-soda manufacturing cost is attributed to electricity in an industry cost analysis.[43]
  • 342 MW was Grasim’s waste-heat-recovery-system power capacity reported for Q4 FY2025.[36]
  • 1,960 kWh per tonne of NaOH was the 2025 record-low power consumption reported for thyssenkrupp nucera’s e-BiTAC v7 electrolyzer.[33]
  • 25% lower electricity consumption is associated with cited chlor-alkali technology improvements in India’s sector-transition analysis.[17]
  • 35.7% was Grasim’s green-power mix in the chemicals business in Q4 FY2025, compared with 25.7% in Q4 FY2024.[36]

Profitability in the chloralkali industry

  • -4.80 crore rupees was Lords Chloro Alkali’s FY2024 profit after tax, compared with 53.22 crore rupees in FY2023.[44]
  • 16.54% was Chemfab Alkalis’ consolidated EBITDA margin in FY2025.[9]
  • -5.20 crore rupees was Chemfab Alkalis’ chlor-alkali-segment EBIT in FY2025.[9]
  • 15.22 crore rupees was Chemfab Alkalis’ consolidated profit after tax in FY2025.[9]
  • 53.29 crore rupees was Chemfab Alkalis’ consolidated EBITDA in FY2025.[9]

Financial planning in the chloralkali industry

  • 1.5 million tonnes per year was Grasim’s projected chlor-alkali capacity target for the first quarter of FY2025.[36]
  • 900 million US dollars was Occidental’s expected 2025 worldwide capital-budget allocation to OxyChem before its sale.[37]
  • 337 crore rupees was Grasim Industries’ research-and-development expenditure over the three years reported in its FY2023–24 integrated report.[34]
  • 9.7 billion US dollars was the cash consideration for Occidental’s sale of OxyChem completed in January 2026.[37]
  • 150 crore rupees was Lords Chloro Alkali’s FY2024 commitment for capital-expenditure projects including caustic-soda expansion.[45]

11 Statistics

Product & Service

Capacity and technology choices surface in concrete figures, including 15,000 tonnes per year of chlorine capacity for a modular chlor-alkali plant commissioned in Brazil in 2026.

Product development in the chloralkali industry

  • 36 products were offered by Gujarat Alkalies and Chemicals in 2019/2020, reflecting diversification and development beyond basic chlor-alkali products.[46]
  • 65,700 tonnes per annum was Chemfab Alkalis’ installed chlor-alkali capacity in India in fiscal 2024/2025.[16]
  • 104.8% was Gujarat Alkalies and Chemicals’ caustic-soda capacity utilization in 2019/2020 after capacity expansion and operational development.[46]
  • 15,000 tonnes per year of chlorine is the capacity of thyssenkrupp nucera’s modular chlor-alkali plant commissioned for Chlorum Solutions in Brazil in 2026.[33]
  • 4.36 lakh metric tonnes per annum was Gujarat Alkalies and Chemicals’ caustic-soda production in 2019/2020, compared with installed capacity of 4.12 lakh metric tonnes per annum.[46]

Product lifecycle in the chloralkali industry

  • 3.7% of total chlorine production was transported off-site by Euro Chlor members, excluding pipelines, in 2025.[10]
  • 0.77 tonnes of CO₂ equivalent per tonne of chlorine was Euro Chlor members’ production carbon footprint in 2024.[10]
  • 0.79 tonnes of CO₂ equivalent per tonne of chlorine was Euro Chlor members’ production carbon footprint in 2025.[10]
  • 3.8% of total chlorine production was transported off-site by Euro Chlor members, excluding pipelines, in 2024.[10]
  • 21.2% of installed electricity-demand capacity was available for grid balancing at Euro Chlor member sites in 2024.[10]

After-sales in the chloralkali industry

  • EUR 322 million was thyssenkrupp nucera’s total chlor-alkali order intake in fiscal 2024/2025, including service and new-construction activities.[33]
  • EUR 241 million was thyssenkrupp nucera’s chlor-alkali service-business order intake in fiscal 2024/2025, up from EUR 196 million the previous year.[33]
  • EUR 347 million was thyssenkrupp nucera’s chlor-alkali order backlog at the end of fiscal 2024/2025.[33]
  • EUR 279 million was thyssenkrupp nucera’s chlor-alkali order intake in fiscal 2023/2024 before increasing to EUR 322 million in 2024/2025.[33]
  • 15% was the increase in thyssenkrupp nucera’s chlor-alkali service-business order intake in fiscal 2024/2025.[33]

Value proposition in the chloralkali industry

  • 7,400 million pounds per year was Westlake’s chlorine capacity across principal facilities in North America and Europe as of February 2025.[47]
  • 4.6 million short tons was Olin’s total chlor-alkali equivalent-unit capacity as of December 2024.[48]
  • 8,140 million pounds per year was Westlake’s caustic-soda capacity across principal facilities in North America and Europe as of February 2025.[47]
  • 18 European countries contained Euro Chlor member chlor-alkali manufacturing locations in the 2025 capacity dataset.[11]
  • 2,100 employees supported Olin’s Chlor Alkali Products and Vinyls business in its 2024 investor presentation.[48]

12 Statistics

Sustainability & Ethics

Sustainability metrics remain tied to production footprint, including a 17.6% reduction in the European sector’s carbon footprint from 2022 to 2023.

Sustainability in the chloralkali industry

  • 19.0% of Euro Chlor members’ installed electricity-demand capacity was available for grid balancing in 2025, Europe.[10]
  • 50 years of commercial operation had been achieved by Asahi Kasei’s ion-exchange-membrane chlor-alkali technology by 2025, Japan-based supplier serving plants worldwide.[49]
  • 87.6% of hydrogen produced by Euro Chlor members was utilised in 2025, Europe.[10]
  • 204% of the 2013–14 baseline water volume was reused or recycled by Chemfab Alkalis, India, in the reported period.[9]
  • 84.1% was the primary-energy consumption index for Euro Chlor members in 2025 relative to the 2001 reference year, Europe.[10]

ESG in the chloralkali industry

  • 14% was Olin’s reduction in Scope 1 emissions in 2024, including its North American chlor-alkali production sites.[16]
  • 25% is Grasim’s target for renewable-power usage in its chlor-alkali business by FY2024–25, India.[34]
  • 18% was the reduction in Scope 1 and Scope 2 GHG emissions achieved by Grasim’s chlor-alkali business by FY2023–24 against its FY2016–17 base year, India.[34]
  • INR 58.35 lakh was spent on research and development by Chemfab Alkalis in the reported sustainability period, India.[9]
  • 100% of waste was recycled by Chemfab Alkalis in its reported sustainability period, India.[9]

Circular economy in the chloralkali industry

  • 21.7% was the year-on-year reduction in hazardous waste per tonne of chlorine reported by Euro Chlor members in 2025, Europe.[10]
  • 100% of waste was recycled by Chemfab Alkalis in the reported sustainability period, India.[9]
  • 204% was Chemfab Alkalis’ water-reuse and recycling level relative to its 2013–14 baseline, India.[9]
  • 3 production plants comprised the Dutch chlor-alkali industry in 2021, Netherlands.[50]
  • 5.2 kilograms of waste were generated per tonne of chlorine by Euro Chlor members in 2025, Europe.[10]

Carbon footprint in the chloralkali industry

  • 0.77 tonnes of CO2 equivalent were emitted per tonne of chlorine by Euro Chlor members in 2024, Europe.[10]
  • 2.1% was the increase in Euro Chlor members’ carbon footprint per tonne of chlorine from 2024 to 2025, Europe.[10]
  • 0.3 million tonnes of direct CO2 emissions were associated with U.S. membrane-cell caustic-soda concentration in 2020, according to EPA estimates.[51]
  • 28.3% was the decrease in Euro Chlor members’ carbon footprint since monitoring began in 2020, Europe.[10]
  • 0.6 million tonnes of indirect CO2 emissions were associated with U.S. chlor-alkali brine-heating operations in 2020, according to EPA estimates.[51]

14 Statistics

Globalization & Expansion

Regional balance matters, with Asia holding 59.8% of 2025 revenue and membrane technology used by 83.0% of global chlor-alkali capacity in 2024 reporting.

Globalization in the chloralkali industry

  • 85% of global chlorine capacity was represented by the World Chlorine Council in 2024.[58]
  • 7 million tonnes of chlorine capacity was attributed to the rest of the world outside direct World Chlorine Council membership in 2024.[58]
  • 15 million tonnes of chlorine capacity was represented by World Chlorine Council members in North America in 2024.[58]
  • 90 million tonnes per year is the approximate global chlorine capacity represented by the World Chlorine Council, covering regions worldwide in 2024.[58]
  • 50 million tonnes of chlorine capacity was represented by World Chlorine Council members in Asia in 2024.[58]

Supplier management in the chloralkali industry

  • $1 billion was the project value for Chandra Asri’s chlor-alkali and EDC plant in Indonesia, structured as a public-private partnership in 2024.[59]
  • 90 tonnes per day was the caustic-soda capacity increase completed by Lords Chloro Alkali in India during fiscal 2025.[60]
  • December 10, 2024 was the date PCC GulfChem signed a chlorine supply agreement with Chemours for its planned U.S. chlor-alkali project.[23]
  • 340,000 tons of annual chlorine capacity was planned for PCC GulfChem’s U.S. chlor-alkali plant before the project was terminated in May 2026.[23]
  • $2 billion was the planned investment for the TA’ZIZ–Reliance chlor-alkali, EDC and PVC production partnership in the UAE in 2021.[21]

Stakeholder management in the chloralkali industry

  • 83.0% of global chlor-alkali capacity used membrane technology in the World Chlorine Council’s 2024 reporting.[58]
  • 12.5% of global chlor-alkali capacity used diaphragm technology in the World Chlorine Council’s 2024 reporting.[58]
  • 3.6 million tonnes was India’s caustic-soda production in 2024, according to NITI Aayog’s chlor-alkali sector analysis.[17]
  • 2.1% of global chlor-alkali capacity used mercury technology in the World Chlorine Council’s 2024 reporting.[58]
  • 88,902 kilotonnes was the installed world chlor-alkali capacity reported by the World Chlorine Council in 2024.[58]

Distribution channels in the chloralkali industry

  • 15% was the minimum internal-rate-of-return threshold Olin cited for evaluating a Southern California salt-to-bleach facility.[19]
  • 2,100 employees worked in Olin’s Chlor Alkali Products and Vinyls business at the end of 2024.[19]
  • 55% was the share of Olin’s total trailing-twelve-month revenue generated by Chlor Alkali Products and Vinyls through the third quarter of 2024.[19]
  • $788 million was Olin’s trailing-twelve-month adjusted EBITDA for Chlor Alkali Products and Vinyls through the third quarter of 2024.[19]
  • €209.7 million was PCC Group’s 2024 revenue from its segment containing chlorine and downstream products marketed from Poland.[61]

Key questions about the chloralkali industry

What is the global chlor-alkali market size in 2025 and 2026?
The global chlor-alkali market was valued at $54.2 billion in 2025 and is estimated at $55.3 billion for 2026.
How fast is the market expected to grow from 2026 to 2034?
The forecast CAGR for 2026–2034 is 1.9%, with the market forecast to reach $64.6 billion by 2034.
Which companies lead the chloralkali industry?
Unipar leads Gitnux's 2026 chloralkali ranking with an Overall score of 9.1, with chlor-alkali and chlorinated chemicals production in Brazil. Shin-Etsu Chemical is the runner-up at 8.9, with operating margin 24.68% and revenue growth 0.5% signals.
What technology shift is expanding in chlor-alkali production process choices?
Membrane-cell technology accounted for 62.78% of market size by production process in 2025, and membrane technology is described as expanding in the industry trends.
How concentrated is chlor-alkali production in the U.S.?
The top three U.S. capacity share was 80%+ in 2020, with Olin, OxyChem and Westlake owning more than 80% of national chlor-alkali production capacity in 2020.
What price ranges matter for caustic soda in 2025–2026 reporting?
Argus assessed April 2025 caustic soda at $625–660 per dry short ton for North American domestic Gulf Coast contracts and $500–550 per dry metric ton for Northwest Europe exports. S&P Global assessed U.S. caustic soda FOB-plant prices at $545–555 per dry short ton on May 19, 2026.
Reference

Cite This Report

This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.

APA
Samuel Norberg. (2026, November 11). Chloralkali Industry Statistics. Gitnux. https://gitnux.org/chloralkali-industry-statistics
MLA
Samuel Norberg. "Chloralkali Industry Statistics." Gitnux, 11 Nov 2026, https://gitnux.org/chloralkali-industry-statistics.
Chicago
Samuel Norberg. 2026. "Chloralkali Industry Statistics." Gitnux. https://gitnux.org/chloralkali-industry-statistics.

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