Wärtsilä’s proven Waste Treatment Solution to support Carnival’s nine brands in their increased sustainability strategy

Wärtsilä Corporation, Press release 20 January 2021 at 12:00 UTC+2
  • Wärtsilä Membrane Bioreactor © Wärtsilä Corporation

The technology group Wärtsilä has signed a framework agreement with Carnival Corporation, the global cruise ship operator, covering the supply and installation of Wärtsilä’s advanced waste water and dry waste treatment systems for up to 32 vessels across many of its operating brands. The framework is consistent with Carnival’s policies for compliance with the latest and most stringent environmental legislation. Signing of the framework took place in October 2020.

Wärtsilä’s Membrane Bioreactor waste water treatment plants are well proven in the handling of black and grey waste water. The system surpasses the most demanding standards currently set by the International Maritime Organization (IMO) for sewage discharge, including paragraph 4.2 of MEPC 227 (64), which applies to special areas.

Similarly, Wärtsilä’s dry waste handling systems comply with the most stringent IMO Marpol requirements, and are designed to minimise greenhouse gas emissions. Wärtsilä’s advanced technologies and vast experience were cited as being major considerations in the award of this contract.

“There is increased awareness within the cruise industry of environmental sustainability, and Wärtsilä is proud and ready to support this focus with the most advanced and compliant solutions. We continue to work with Carnival to enhance their goals for waste reduction, in line with their internal strategy,” says Arto Lehtinen, Director at Wärtsilä Water and Waste.

“We very much appreciate Wärtsilä’s support and their capabilities in delivering high quality, reliable solutions tailored to our specific requirements. The environmental legislation barrier for the cruise industry is set very high, so we seek the latest technologies to ensure compliance. The Wärtsilä solution selected for the framework more than meets this standard,” says Jon McKeown, Senior Vice President global strategic sourcing from Carnival Corporation.

The Wärtsilä equipment will be delivered and installed onboard different ships across many of the operating brands between 2020 and 2025.

This framework agreement shows, despite the current challenges, that environmental compliance and sustainability remains a top priority for Carnival and proves Wärtsilä’s advanced waste system solutions are there to meet and surpass the most stringent legislations.

Carnival Corporation  & plc, one of the largest leisure travel companies in the world, provides travelers around the globe with extraordinary vacations at an exceptional value. The company’s portfolio of global cruise line brands includes Carnival Cruise Line, Princess Cruises, Holland America Line, Seabourn, P&O Cruises (Australia), Costa Cruises, AIDA Cruises, P&O Cruises (UK) and Cunard. Carnival Corporation also operates Holland America Princess Alaska Tours, the leading tour company in Alaska and the Canadian Yukon.


Media contact for more information on this release:

Mr Piers Strong
Head of Sales, Advanced Waste, Water and Waste
Wärtsilä Portfolio business
Tel: +44 1202 662839


Image caption: Wärtsilä Membrane Bioreactor © Wärtsilä Corporation

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Wärtsilä Portfolio Business in brief
Portfolio Business consists of multiple business units, which are run independently with the aim of accelerating performance improvement and unlocking value through divestments or other strategic alternatives. The business units included in Portfolio Business comprise Entertainment Systems, Special Products covering power converter products and UPS systems, Tank Control Systems, Water & Waste, as well as the hydropower solution and turbine service business American Hydro.

Wärtsilä in brief
Wärtsilä is a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets. By emphasising sustainable innovation, total efficiency and data analytics, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers. In 2019, Wärtsilä’s net sales totalled EUR 5.2 billion with approximately 19,000 employees. The company has operations in over 200 locations in more than 80 countries around the world. Wärtsilä is listed on Nasdaq Helsinki.