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add cm_wastelag to toggle the ten-year timelag between plastics production and plastic waste incineration #1732

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Jul 9, 2024
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add cm_wastelag to toggle the ten-year timelag between plastics production and plastic waste incineration #1732

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3 changes: 3 additions & 0 deletions main.gms
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Original file line number Diff line number Diff line change
Expand Up @@ -1627,6 +1627,9 @@ $setglobal cm_ind_energy_limit_manual "2050 . GLO . (ue_cement, ue_steel_prima
*** 2050.GLO 0.5, 2050.EUR 0.8: means that 50% of waste incineration emissions are captured for all regions from 2050 onward, except for Europe that has 80% of its waste incineration emissions captured.
*** The CCS share of waste incineration increases linearly from zero, in 2025, to the value set at the switch, and it is kept constant for years afterwards.
$setglobal cm_wasteIncinerationCCSshare off !! def = off
*** cm_wastelag, does waste from plastics lag ten years behind plastics
*** production, or not?
$setglobal cm_wastelag YES !! def = YES !! regexp = YES|NO
*** cm_feedstockEmiUnknownFate, account for chemical feedstock emissions with unknown fate
*** off: assume that these emissions are trapped and do not account for total anthropogenic emissions
*** on: account for chemical feedstock emissions with unknown fate as re-emitted to the atmosphere
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28 changes: 17 additions & 11 deletions modules/37_industry/subsectors/equations.gms
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Expand Up @@ -278,22 +278,28 @@ q37_plasticsCarbon(t,regi,sefe(entySe,entyFe),emiMkt)$(
* s37_plasticsShare
;

*' calculate plastic waste generation, shifted by mean lifetime of plastic products
*' shift by 2 time steps when we have 5-year steps and 1 when we have 10-year steps
*' allocate averge of 2055 and 2060 to 2070
*' calculate plastic waste generation, shifted by mean lifetime of plastic
*' products shift by 2 time steps when we have 5-year steps and 1 when we have
*' 10-year steps allocate averge of 2055 and 2060 to 2070, unless `cm_wastelag`
*' is `NO`, in which case waste is incurred in the same period plastics are
*' produced
q37_plasticWaste(ttot,regi,sefe(entySe,entyFe),emiMkt)$(
entyFE2sector2emiMkt_NonEn(entyFe,"indst",emiMkt)
AND ttot.val ge max(2015, cm_startyear) ) ..
v37_plasticWaste(ttot,regi,entySe,entyFe,emiMkt)
=e=
v37_plasticsCarbon(ttot-2,regi,entySe,entyFe,emiMkt)$( ttot.val lt 2070 )
+ ( ( v37_plasticsCarbon(ttot-2,regi,entySe,entyFe,emiMkt)
+ v37_plasticsCarbon(ttot-1,regi,entySe,entyFe,emiMkt)
)
/ 2
)$( ttot.val eq 2070 )
+ v37_plasticsCarbon(ttot-1,regi,entySe,entyFe,emiMkt)$( ttot.val gt 2070 )
;
!! prompt waste
v37_plasticsCarbon(ttot,regi,entySe,entyFe,emiMkt)$( NOT %cm_wastelag% )
!! lagged waste
+ ( v37_plasticsCarbon(ttot-2,regi,entySe,entyFe,emiMkt)$( ttot.val lt 2070 )
+ ( ( v37_plasticsCarbon(ttot-2,regi,entySe,entyFe,emiMkt)
+ v37_plasticsCarbon(ttot-1,regi,entySe,entyFe,emiMkt)
)
/ 2
)$( ttot.val eq 2070 )
+ v37_plasticsCarbon(ttot-1,regi,entySe,entyFe,emiMkt)$( ttot.val gt 2070 )
)$( %cm_wastelag% )
;

*' emissions from plastics incineration as a share of total plastic waste,
*' discounted by captured amount
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