Page 141 - KELAG Annual Report 2017
P. 141

necessary construction work to preserve and/or implement   GRI 306-2
                    extensive measures to restore the integrity of the landscape
                    and the biodiversity of the existing habitats to the greatest   The  best  way  of  handling  waste  would  be  to  avoid  it
                    possible extent. The side effect of fish ladders is that less   completely. The second best way is to recycle it. This is the
                    water can be used for the production of electricity. Meeting   case for a number of substances/materials, e.g., glass and
                    the requirements of the Water Framework Directive means   paper.  Even  so,  every  household  accumulates  residual
                    that KELAG’s level of production is 4 GWh lower per year.   waste  that  requires  disposal.  Residual  waste  from
                                                                  households  in  Carinthia  is  thermally  treated  at  1,100
                      GRI 103-1, 103-2, 304-3
                                                                  degrees  Celsius  at  the  Kärntner  Restmüllverwertungs
                                                                  GmbH  in  Arnoldstein.  Through  this  process,  heat  and
                                                                  electricity can be generated from the household waste; the
                    The  company  outsources  its regular  hazardous  and non-
                                                                  solid residues – slag and dust – are deposited in a landfill.
                    hazardous  waste  to  waste  disposal  companies  which
                                                                  The  incineration  of  residual  waste  has  two  further
                    collect it in accordance with Austrian law and, depending
                                                                  advantages  over  conventional  landfilling:  emissions
                    on the material, recycle it or deposit it safely in a landfill.
                                                                  impacting the climate are significantly lower; moreover, less
                    Waste generated by the Group mainly consists of industrial
                                                                  landfill  volume  is  needed.  Through  the  incineration  of
                    waste,  ashes,  scrap  iron  as  well  as  rubble  and  totaled
                                                                  94,000  metric  tons  of  household  waste  per  year,  around
                    approximately  6,700  metric  tons  in  2017,  of  which
                                                                  163,000 metric tons of carbon-dioxide equivalent can be
                    approximately  1,100  metric tons  are  classified  hazardous
                                                                  avoided. The remaining slag is non-hazardous and can be
                                                                  deposited  in  a  landfill;  compared  with  landfilling  waste
                                                                  without thermal treatment, only around one-eighth of the
                                                                  volume  is  required.  Since  its  commissioning  in  2004,
                                                                  already over one million metric tons of residual waste have
                                                                  been thermally recycled at the plant in Arnoldstein.
                                                                   GRI 103-1, 103-2, 305-5, 306-2
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