Top 10: Sustainable Factories
Sustainability is becoming a core focus for manufacturers worldwide, prompting a fundamental rethink of production methods and locations.
From carbon-neutral data centres to factories powered exclusively by renewables, the global movement toward cleaner, smarter and more responsible manufacturing is accelerating.
Industry leaders such as Ferrari, Lego, Tesla and Unilever are raising the bar with facilities designed for maximum energy efficiency, circular resource use and climate resilience.
This Top 10 showcases some of the most forward-thinking and environmentally responsible factories across sectors including automotive, consumer goods and technology.
10. Tesla Gigafactory
Global presence: 30 countries
Location: Shanghai, China
Tesla’s Gigafactory in Shanghai stands at the forefront of the company’s drive to accelerate the shift toward sustainable energy.
Producing hundreds of thousands of electric vehicles each year, the factory boosts the availability of low-emission mobility options throughout Asia and Europe. Advanced manufacturing processes are deployed to minimise waste, enhance energy efficiency and cut emissions across operations.
Sustainability initiatives at the site include water recycling, responsible sourcing of materials and on-site renewable energy generation, reflecting Tesla’s commitment to environmental stewardship.
As a key pillar in Tesla’s global network, Gigafactory Shanghai demonstrates how large-scale EV production can be harmonised with ambitious climate objectives.
9. Ferrari E-Building
Global Presence: 60 countries (Ferrari)
Location: Maranello, Italy
Ferrari has unveiled its US$200m ‘e-building’ in Maranello, Italy, representing a significant milestone on its path to achieving carbon neutrality by 2030.
Engineered as Ferrari’s most advanced and sustainable manufacturing hub, the facility features 3,000 solar panels, rainwater harvesting systems and expansive internal green spaces to maximise energy efficiency and minimise environmental impact.
The e-building is designed for flexible assembly, supporting the production of petrol, hybrid and fully electric vehicles—allowing Ferrari to remain agile as sustainability standards evolve across the automotive sector.
Demonstrating a clear commitment to reducing its environmental footprint, Ferrari’s e-building exemplifies the fusion of luxury craftsmanship with innovative, responsible manufacturing practices.
8. IKEA
Global Presence: 60 countries
Location: Zbąszynek, Poland
IKEA’s Zbąszynek factory in western Poland stands as one of the company’s largest and most advanced manufacturing hubs, operated by IKEA Industry and central to the brand’s sustainability ambitions.
Aligned with IKEA’s global target to become climate positive by 2030, the Zbąszynek site operates entirely on renewable electricity, sourced from wind, biomass and a large on-site solar farm comprising 37,000 panels with a total capacity of 19 MW. The factory has implemented major energy efficiency upgrades, such as transitioning to LED lighting and installing modern production lines and advanced insulation, which have significantly reduced its overall energy consumption.
As a flagship of IKEA’s broader sustainability strategy, Zbąszynek exemplifies the company’s progress: by 2023, 408 IKEA factories and suppliers had switched to 100% renewable electricity, supporting the group’s science-based targets to halve greenhouse gas emissions by 2030 and move towards net zero by 2050.
7. Schneider Electric
Global Presence: 100 countries
Location: US, China, Spain
Schneider Electric is setting new benchmarks in sustainable manufacturing with its network of flagship factories worldwide.
The company’s Lexington, Kentucky plant stands out as one of only three sites globally to be named a World Economic Forum Sustainability Lighthouse. By integrating IoT connectivity, power meters and predictive analytics, the facility has achieved a 26% reduction in energy use, a 30% cut in net CO₂ emissions and a 20% drop in water consumption. These results have also earned the site Platinum Superior Energy Performance 50001 certification from the US Department of Energy.
In Wuxi, China, Schneider Electric’s Smart Factory has been recognised as a World Economic Forum Advanced Lighthouse. This site demonstrates the company’s commitment to emissions reduction and circular economy principles, furthering Schneider Electric’s low-impact manufacturing agenda.
Meanwhile, the Barcelona facility in Spain has reached zero CO₂ factory status by deploying an integrated microgrid powered by solar panels, battery storage and EV charging infrastructure.
6. Google
Global Presence: 100 countries
Location: Sriperumbudur, Tamil Nadu, India
Google’s Pixel manufacturing hub in Sriperumbudur, Tamil Nadu—operated in partnership with Dixon Technologies—signals a major advance in the company’s efforts to localise and decarbonise its hardware supply chain. This move supports Google’s global ambition to operate entirely on carbon-free energy by 2030, with the facility adhering to rigorous environmental standards for emissions, energy efficiency and responsible sourcing.
Through its Supplier Responsibility programme, Google ensures manufacturing partners implement sustainable practices, including energy-efficient assembly processes and the use of recycled and recyclable materials. The facility not only manufactures Pixel smartphones for the Indian market but is also positioned to become a key export hub as Google shifts more of its global production from Vietnam to India, leveraging lower tariffs and a robust local ecosystem.
This strategic investment is set to boost regional economic growth, create high-value jobs and strengthen India’s position as a global electronics manufacturing leader.
6. Lego Factory
Global Presence: 130 countries
Location: Binh Duong, Vietnam
Lego has inaugurated its most environmentally advanced factory to date in Binh Duong, Vietnam, investing US$1bn to set a new benchmark for sustainable manufacturing in the region. Scheduled to operate entirely on clean energy by early 2026, the facility will be powered by 12,400 rooftop solar panels, Vietnam’s first large-scale battery storage solution, and renewable electricity sourced through a Direct Power Purchase Agreement.
This state-of-the-art site is not only Lego’s first in Vietnam but also its most sustainable globally, with several buildings achieving LEED Platinum and Gold certifications for energy efficiency. The company has also planted 50,000 trees around the factory—double the number removed during construction—to enhance local biodiversity and help offset emissions.
The facility is central to Lego’s strategy to eliminate greenhouse gas emissions by 2050, and it will play a key role in supplying the fast-growing Southeast Asian market while advancing the company’s global sustainability commitments.
5. Procter & Gamble (P&G)
Global Presence: 180 countries
Location: Taicang, Jiangsu Province, China
Procter & Gamble’s Taicang facility operates on 100% renewable electricity and features an array of innovative water management systems, including the recovery of steam condensate for domestic use and rainwater harvesting to irrigate on-site landscaping. Its operational design ensures zero manufacturing waste is sent to landfill, achieved through maximised recycling efforts and circular economy principles.
Smart building technologies further reduce energy consumption, such as outdoor lighting powered by a mix of solar energy and high-efficiency equipment. The site also integrates sustainable packaging processes, supporting P&G’s goal to use 100% renewable or recycled materials across all products and packaging.
As the first P&G site in China to pursue LEED certification, Taicang exemplifies the company’s commitment to green building standards for all new facilities globally. These efforts align with P&G’s ‘Ambition 2030’ strategy, reinforcing its leadership in scaling responsible consumption and production throughout the consumer goods sector.
4. Unilever
Global Presence: 190 countries
Location: India, UK
Unilever is setting new benchmarks in sustainable manufacturing through two flagship facilities that exemplify its global leadership in innovation and environmental responsibility.
In Dapada, India, Hindustan Unilever Limited (HUL) operates the nation’s first fast-moving consumer goods (FMCG) factory to earn recognition from the World Economic Forum’s Global Lighthouse Network. This prestigious status highlights the site’s pioneering use of Fourth Industrial Revolution (4IR) technologies—including artificial intelligence, machine learning and advanced analytics—to drive resource efficiency, cut emissions and halve production quality defects. The Dapada facility produces around three million units daily across leading home care brands, achieving a 39% reduction in manufacturing costs and slashing product development lead times by 50% through digital transformation.
Meanwhile, in Liverpool, UK, Unilever’s Materials Innovation Factory—developed in partnership with the University of Liverpool—houses the highest concentration of robotics for materials science globally and accelerates research and innovation by integrating automation, data-driven insights and advanced digital tools. Breakthroughs include the development of Persil Wonder Wash, a laundry detergent formulated with unique enzymes and tested using round-the-clock robotic systems to enhance performance and sustainability.
2. Nestlé
Global Presence: 190 countries
Location: Serbia, UK
Nestlé is advancing sustainable manufacturing through standout facilities in Surčin, Serbia, and Fawdon, UK.
At Surčin, Nestlé has achieved zero waste to landfill, ensuring that all factory waste is either recycled or recovered—a milestone that sets a new standard for waste management in the region.
In the UK, the Fawdon site acts as an innovation hub for Nestlé’s sustainability initiatives. The facility is piloting ambitious measures to halve both water usage and CO₂ emissions within two years, positioning it as a model for environmental stewardship across the company’s global operations.
1. Siemens
Global Presence: 200 countries
Location: China, US, Germany
Siemens’s Electronics Works Chengdu (SEWC) in China stands is a World Economic Forum (WEF) Sustainability Lighthouse, recognised for its integration of advanced digital technologies and green practices.
Since 2019, SEWC has reduced energy consumption per unit by 24% and cut production waste by 48%, all while boosting output by 92%. These achievements are driven by the deployment of digital twins, artificial intelligence and the SiGREEN platform for transparent carbon footprint tracking. The site also utilises automated waste classification and eco-design principles, moving towards zero-waste manufacturing and reducing annual CO₂ emissions by approximately 3,000 tonnes.
In the United States, Siemens has invested US$190m in a carbon-neutral facility in Fort Worth, Texas. This factory produces electrical equipment for data centres.
Meanwhile, Siemens’ Fürth site in Germany demonstrates the fusion of cutting-edge digital solutions with tangible sustainability outcomes, reinforcing the company’s leadership in smart, responsible industry.
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