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THEME PAPER


         However, the turbine blades are  the wind turbine blade waste in  more than 80 % of the global
         generally decommissioned in 20  India and discusses the various  wind energy production in the
         years and result into large waste  end-of-life options available for  world. Among these countries,
         quantities. The major barriers to  the waste materials produced  China and USA produce more
         wind      blade     end-of-life  from wind energy.                   than half of the wind energy
         management         include     a   GLOBAL  WIND  ENERGY              combined together (Figure 1).
         combination of parameters from     SCENARIO                          The largest producer of wind
         the  material  itself  to  the                                       energy is China currently. In
                                            Currently the energy deficit and
         economic scale-up of composites                                      year 2017, nine countries (from
                                            climate  change  have  been
         recycling and used turbines                                          the above mentioned) added
                                            amongst the most significant
         dismantling. As the turbines are                                     10GW of wind installations
                                            problems globally. To fulfil the
         made up of complex materials,                                        while 26 countries (from Europe,
                                            requirements       of   various
         disposing off these blades will                                       Asia-Pacific, Latin America and
                                            agreements on climate change,
         be tricky due to concerns like                                       Africa)  were  able  to  install
                                            there is a need to reduce CO₂
         environmental damage and                                             around  1GW.  Among  the
                                            emissions so as to prevent global
         resources depletion. If these                                        continents, Asia was able to hold
                                            warming. This can be done by
         blades are discarded in urban                                        its dominance by installing 25.74
                                            switching from fossil fuels to
         landfills/ dumping yards, not                                         GW of onshore and offshore
                                            renewable sources of energy.
         only their capacities would be                                       wind energy in year 2018 only.
                                            The transformation from fossil
         severely hampered, but they can                                      From Europe, Germany with
                                            fuels to renewables will also
         also pose threat to the nearby                                       installed capacity of 3.43 GW
                                            bring prosperity. It would boost
         environment by leaching out                                          was at the  top position. USA
                                            the GDP by around 2.5% and
         toxic chemicals. The problem has                                     was able to add 7.6GW to its
                                            will help boosting employment
         already started appearing in                                         wind energy in year 2018 (Wind
                                            by around 0.2% globally in 2050
         countries that jumped onto the                                       Global and Energy Council,
                                            (IRENA, 2019).
         wind energy earlier than India                                       2019).
         e.g. in USA, about 8,000 blades    Top ten countries contribute
         will be removed in each of the
                                            Figure 1: Percent share in wind energy generation for the top ten countries
         next four years. Europe, which
                                                        in the world (Wind Global and Energy Council)
         has  been  dealing  with  the
         problem longer, has about 3,800
                                                                            1.6
         coming down annually through                                2.2  2.5
                                                                        2.6
         2022  (Bloomberg,  2020).  In
                                                                     3.5
         Sweden, the waste from wind
                                                                   4.0
         turbines is estimated to be about                                             35.7
         245,940     tonnes    annually                          5.9
         (Andersen et al, 2016).
                                                                  10.0
         For  wind  energy  to  be
         environmentally sustainable, it
         becomes important to assess the                                   16.3
         environmental impacts at each
         stage of life including end-of-              China  USA  Germany India  Spain  UK  Canada France Brazil  Italy
         life. This article aims to quantify
                                                        Source: Wind Global and Energy Council, 2019



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