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Daimler 360 GRAD - FAKTEN zur Nachhaltigkeit 2008
Daimler Nachhaltigkeitsbericht 2008 / Environmental protection, innovation, and safety / Production / Energy and climate protection
Energy and climate protection
Direct and indirect CO 2 emissions from production
To reduce energy consumption at its plants, and thus CO 2 emissions, Daimler employs a dual approach that calls
not only for ensuring the most environmentally sound energy supply processes possible for the production
plants, but also efficient use of energy in production. The Group’s production locations are heated with natural
gas, which is a low-carbon energy carrier, for example, and one plant uses shredded waste wood to achieve
nearly CO 2 - free heating. Coke is used only where technologically necessary, which means for smelting cast iron.
Many production plants are supplied with heat and power by highly efficient cogeneration plants operated either
by Daimler or by regional power companies. For its new construction, expansion, and modernization projects,
Daimler makes use of innovative low-CO 2 energy supply concepts and electricity generated from renewable
sources. A new photovoltaic system at the Gaggenau plant, for instance, and existing photovoltaic facilities in
Bad Cannstatt (Untertürkheim) and Sindelfingen (MTC Design building) regeneratively produced nearly 900
megawatt-hours of electricity in 2007.
Daimler’s worldwide energy consumption totaled 10.2 million megawatt-hours in 2007, a decrease of 5.2
percent from the previous year. Along with generally mild weather, this reduction was mainly due to
improvements in energy efficiency brought about by many energy-saving projects at our production plants. One
outstanding example of our energy-saving achievements is offered by our Untertürkheim plant. Here, a facilitywide
interdisciplinary project team set itself the goal of exploiting all possibilities for reducing energy
consumption in areas as diverse as machine and facility planning, production infrastructure, and building
systems, while also addressing the impact of employee behavior on energy use. The team approved and
implemented a wide range of measures that proved very successful:
� Raising the temperature of cooling lubricants cut the annual electricity consumption of refrigeration
machinery by 15,000 megawatt-hours, without any detrimental effect on production quality. This same
measure also significantly reduced cooling-water consumption.
� Optimization of heat recovery equipment by means of improved controls, adjustments in line with
requirements, and use of alternative heat sources led to annual heat energy savings of 11,000
megawatthours. Current plans call for further heat recovery savings totaling 18,000 megawatt-hours.