Portion of energy produced from renewable sources (incl. waste-to-energy) Portion of energy produced from renewable sources (incl. waste-to-energy), co-generation and turboexpansion 68.0% 71.4% 69.8% Waste-to-energy plant emission levels vs legal limits (real concentrations/legal limits: optimal value <100%) 28.5% 25.0% 23.7% Quality of treated water vs legal limits (real concentrations/legal limits: optimal value <100%) 30.0% 31.7% 30.0% Compliance with Kyoto Protocol (real emissions/authorised emissions) 98% 87% 76% Water grid loss (real and procedural) - 25.4% 24.7% *** Separate waste collection 30.9% 33.5% 38.6% Fuel with low envir.