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@ARTICLE{Welder:849722,
      author       = {Welder, Lara and Stenzel, Peter and Markewitz, Peter and
                      Robinius, Martin and Ebersbach, Natalie and Emonts, Bernd
                      and Stolten, Detlef},
      title        = {{D}esign and {E}valuation of {H}ydrogen {E}lectricity
                      {R}econversion {P}athways in {N}ational {E}nergy {S}ystems
                      {U}sing {S}patially and {T}emporally {R}esolved {E}nergy
                      {S}ystem {O}ptimization},
      journal      = {International journal of hydrogen energy},
      volume       = {44},
      number       = {19},
      issn         = {0360-3199},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2018-03855},
      pages        = {9594-9608},
      year         = {2019},
      abstract     = {For this study, a spatially and temporally resolved
                      optimization model was used to investigate and economically
                      evaluate pathways for using surplus electricity to cover
                      positive residual loads by means of different technologies
                      to reconvert hydrogen into electricity. The associated
                      technology pathways consist of electrolyzers, salt caverns,
                      hydrogen pipelines, power cables, and various technologies
                      for reconversion into electricity. The investigations were
                      conducted based on an energy scenario for 2050 in which
                      surplus electricity from northern Germany is available to
                      cover the electricity grid load in the federal state of
                      North Rhine-Westphalia (NRW).A key finding of the pathway
                      analysis is that NRW's electricity demand can be covered
                      entirely by renewable energy sources in this scenario, which
                      involves CO2 savings of 44.4 million tons of CO2/a in
                      comparison to the positive residual load being covered from
                      a conventional power plant fleet. The pathway involving CCGT
                      (combined cycle gas turbines) as hydrogen reconversion
                      option was identified as being the most cost effective
                      (total investment: € 43.1 billion, electricity generation
                      costs of reconversion: € 176/MWh).Large-scale hydrogen
                      storage and reconversion as well as the use of the hydrogen
                      infrastructure built for this purpose can make a meaningful
                      contribution to the expansion of the electricity grid.
                      However, for reasons of efficiency, substituting the
                      electricity grid expansion entirely with hydrogen
                      reconversion systems does not make sense from an economic
                      standpoint. Furthermore, the hydrogen reconversion pathways
                      evaluated, including large-scale storage, significantly
                      contribute to the security of the energy supply and to
                      secured power generation capacities.},
      cin          = {IEK-3},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-3-20101013},
      pnm          = {134 - Electrolysis and Hydrogen (POF3-134)},
      pid          = {G:(DE-HGF)POF3-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000465056500009},
      doi          = {10.1016/j.ijhydene.2018.11.194},
      url          = {https://juser.fz-juelich.de/record/849722},
}