Page 117 - KELAG Annual Report 2017
P. 117

In the financial year 2017, implementation of the project to
                                                                  lay  a  heat  transmission  pipe  connecting  the  Kärntner
                                                                  Restmüllverwertungs GmbH in Arnoldstein to the district
                                                                  heating grid in Villach commenced. The transmission pipe
                    The Heat business division is represented by several entities   is scheduled to be put into operation by the beginning of
                    within  the  Group.  In  addition  to  KELAG  Wärme  GmbH,   the heating period 2018/2019. Via a transmission pipe of
                    Kärntner Restmüllverwertungs GmbH is also bundled in the   around  15  km  in  length,  up  to  50%  of  the  heat  volume
                    Heat business division. KELAG Wärme GmbH is the largest   needed in Villach can be covered in future by using waste
                    supra-regional provider of heating services in Austria and   heat from the waste incineration plant in Arnoldstein, thus
                    operates 79 district heating grids and around 900 central   mainly  replacing  natural  gas.  The  sustainable  ecological
                    heating  stations.  Entrepreneurial  activity  focuses  on   district heating supply in the largest district heating grid of
                    producing  heat  and  process  energy  in  Austria  in  a   KELAG Wärme GmbH will thus also be ensured for future
                    sustainable  and  environmentally  compatible  way.  The   extensions. This substitutes waste heat for fossil fuels and
                    range of services covers services such as the management   achieves energy efficiency potential at the same time. For
                    of central heat stations and the provision of heating and   the “Brauquartier”, a residential construction project in Graz,
                    process  energy.  The  company  is  also  represented  in   a  forward-looking  heat  project  is  currently  being
                    Slovenia  and  the  Czech  Republic  with  one  subsidiary  in   implemented  that  uses  waste  heat  from  a  fermentation
                    each of these countries.                      process of an adjacent brewery. The supply of heat energy
                                                                  for the residential construction project will be secured by
                    Industrial  waste  heat  and  biomass  are  used  as  primary   means of a high-temperature heat pump. This will be the
                    energy sources for the production of heat. KELAG Wärme   first time that KELAG Wärme GmbH is using a heat pump to
                    GmbH  holds  a  leading  position  in  this  area  throughout   supply heat energy. A new biomass boiler with a capacity of
                    Austria. Around 62% of the heat required is already being   4 MW was installed at the Lieboch district heating grid in
                    generated from renewable raw materials and waste heat.   2017 on account of the age of the existing biomass plant,
                    Where industrial waste heat cannot be used and it is not   thus increasing system efficiency significantly. In the case of
                    possible to produce heat from biomass, natural gas – by far   the more than 30-year-old biomass boiler installed at the
                    the most environmentally friendly of all the fossil fuels – is   Hartberg district heating grid, the entire control system was
                    preferred.                                    replaced, thus enabling the significantly more efficient and
                                                                  automated operation  of the plant. Other existing district
                    In  addition  to  implementing  new  projects,  the  focus  is   heating  systems,  particularly  in  Villach,  Wolfsberg  and
                    primarily on the continued densification of existing district   Spittal an der Drau, were further expanded and additional
                    heating  grids  to  supply  new  customers.  In  this  context,   customers were connected to the district heating grid.
                    particular attention is given to enhancing the efficiency of
                    the  production  facilities  in  operation.  Smart  plant  and
                    district  heating  grid  controls  ensure  the  efficient  use  of
                    facilities  and  resources  and  make  the  greatest  possible
                    contribution to conserving the environment. Furthermore,
                    the facilities are not only highly efficient but also have a
                    lower  environmental  impact  as  a  result  of  the  relative   The  Heat  business  division’s  production  increased  in
                    reduction in fuel usage.                      comparison to the prior year by 72 GWh or 3.1% to 2,383
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