Unilever: Leveraging Energy Efficiency for Sustainability
Since its inception in 1899 as a humble soap factory, the Unilever manufacturing site in Mannheim, Germany has morphed into a world-class facility producing Dove Bars.
Besides manufacturing, it doubles as a pivotal distribution hub for a wide array of products under its Home Care, Personal Care and Beauty and Wellbeing divisions.
The facility stands as a testament to Unilever's dedication to harnessing advanced technology and digital transformation.
These efforts are targeted at adapting to evolving consumer demands while fostering sustainable business growth.
“This global powerhouse is setting the pace for operational excellence," explains Factory Director Silvia Rissel.
"By deploying cutting-edge technologies, we’re continually improving productivity and efficiency. We’re able to respond to shifts in customer and consumer demand, equip our workforce with digital skills and limit our impact on the environment.”
Prioritising efficiency and sustainability
Within Unilever's global network, Mannheim is instrumental, linking four production sites that supply Dove Bars globally.
Employing digital twin technology, these sites are inter-connected allowing for seamless real-time data exchange which enhances operational efficiency.
Heralding a new era in production, the site operates round the clock, capitalising on automation and digitisation to conspicuously improve its overall equipment effectiveness (OEE).
A standout innovation includes an automated system that tracks Dove Bars on the production line and aligns this with incoming packaging supplies.
This ensures precise stock tracking and uninterrupted production flow.
Reflecting its pledge towards environmental sustainability, recent upgrades include the implementation of solar power solutions aimed at boosting energy efficiency.
Moreover, a switch to 100% paper packaging for Dove Bars has been effected, eliminating approximately 500 tons of plastic waste each year.
Quality stands at the forefront of Unilever’s operations in Mannheim.
The site is a vanguard in quality assurance programmes that maintain pristine standards for Dove Bars across all markets.
An exciting development on the horizon includes the deployment of AI-enabled cameras designed to inspect up to 800 bars per minute— a speed that surpasses current production capabilities.
These cameras are poised to become fully operational in 2025.
Marcela Melero, Chief Growth Officer for Dove Personal Care, North America and Dove Masterbrand, highlights the importance of these efforts: “We believe in crafting unmissably superior products and our Dove Beauty Bar is a great example. While ordinary soaps can strip skin of essential moisture, Beauty Bars contain moisturising cream to hydrate the skin alongside mild cleansers to wash away dirt and germs.”
She adds: “Our production sites are essential in creating these iconic bars and ensuring we get them into the hands of consumers in more than 180 countries around the world.”
An industry-leading distribution hub
The Mannheim facility also hosts one of Unilever’s largest and most advanced distribution centres.
From a modest storage facility, it was transformed into a high-tech warehouse in 1999, featuring an automated management system which handles inventory with minimal human intervention.
The facility can accommodate more than 36,000 pallets and manages goods from 30 plants across Europe.
At peak, it manages shipments of 320,000 pallets annually, substantially supporting Unilever’s growth with a customer case fill on time rate of 99.8%, much above industry averages.
Looking to the future, plans are underway to incorporate new ‘layer picking’ automation by 2026, promising to escalate picking capacity by 50% during peak periods and saving over €1m (US$1.03m) annually.
Silvia concludes: “We’re accelerating digitisation and new technologies across our operations to enhance productivity and deliver products quicker, with the same unmissable quality that our consumers have come to trust. With initiatives like plastic-free products, solar energy and apprenticeships fostering young local talent, there’s a bright future for our manufacturing site at Mannheim.”
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