The Marriott Hotel Chain in Europe is currently embarked on an energy efficiency program. Initially the project covers 15 hotels. The saving goals are ambitious: water and electricity use in participating hotels will be reduces by 20 percent until 2020. Additionally, Marriott intends to cut carbon dioxide emissions at every location by 10 percent.
The program involves performing an onsite audit, determining individual measurement criteria and optimizing the building management systems and processes according to these criteria. Once the optimization work has been completed, Siemens energy experts will remotely monitor and optimize energy consumption data on an ongoing basis. Green Building Monitors will also be deployed, allowing employees and guests to view current energy consumption and thus raise their awareness of energy-efficient behavior. In 5 of the hotels, even more comprehensive measures with energy efficiency and performance contracting were implemented including energy efficiency services powered by Navigator, the cloud-based energy and sustainability platform from Siemens. The cooperation is meanwhile extended to include Advisory services such as the Energy Efficiency Directive (EED) Advisory services which will help them to fulfill the strict new regulations in Europe.
The Charles de Gaulle Airport Marriott Hotel in France piloted the energy efficiency project. With the help of Siemens this hotel was able to cut its energy costs by 15 percent as well as CO2 emissions also by 15 percent. In addition to the pilot project in Paris, Siemens implemented the program in 15 other European Marriott hotels. The potential savings are more than EUR 1 million per year and the overall investment is approximately EUR 3 million. That means an average payback time is less than 3 years which Marriott aims for.
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