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limit industry CCS scale-up #1391

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Sep 13, 2023
Merged

limit industry CCS scale-up #1391

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1d3d98e
limit industry CCS scale-up
0UmfHxcvx5J7JoaOhFSs5mncnisTJJ6q Sep 4, 2023
4d1bf97
harmonise industry scaling across subsectors to 5 % p.a.
0UmfHxcvx5J7JoaOhFSs5mncnisTJJ6q Sep 12, 2023
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2 changes: 1 addition & 1 deletion core/declarations.gms
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Original file line number Diff line number Diff line change
Expand Up @@ -587,7 +587,7 @@ sm_DpGJ_2_TDpTWa "multipl. factor to conver
s_gwpCH4 "Global Warming Potentials of CH4, AR5 WG1 CH08 Table 8.7" /28/
s_gwpN2O "Global Warming Potentials of N2O, AR5 WG1 CH08 Table 8.7" /265/
sm_dmac "step in MAC functions [US$]" /5/
s_macChange "maximum yearly increase of relative abatement in percentage points of maximum abatement. [0..1]" /0.05/
sm_macChange "maximum yearly increase of relative abatement in percentage points of maximum abatement. [0..1]" /0.05/
sm_tgn_2_pgc "conversion factor 100-yr GWP from TgN to PgCeq"
sm_tgch4_2_pgc "conversion factor 100-yr GWP from TgCH4 to PgCeq"

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16 changes: 5 additions & 11 deletions core/presolve.gms
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Expand Up @@ -301,12 +301,12 @@ pm_macStep(ttot,regi,"ch4gas")
pm_macStep(ttot,regi,"ch4coal")
= min(801, ceil(max(pm_priceCO2forMAC(ttot,regi,"ch4coal") * (25/s_gwpCH4), 0.5 * max(0,(p_priceGas(ttot,regi)-p_priceGas("2005",regi))) ) / sm_dmac) + 1);

*** limit yearly increase of MAC usage to s_macChange
*** limit yearly increase of MAC usage to sm_macChange
p_macAbat_lim(ttot,regi,enty)
= sum(steps$(ord(steps) eq pm_macStep(ttot-1,regi,enty)),
pm_macAbat(ttot-1,regi,enty,steps)
)
+ s_macChange * pm_ts(ttot)
+ sm_macChange * pm_ts(ttot)
;

*** if intended abatement pm_macAbat is higher than this limit, pm_macStep has to
Expand Down Expand Up @@ -383,20 +383,14 @@ pm_macAbatLev(ttot,regi,enty)$( ttot.val gt 2015 )
pm_macAbatLev("2015",regi,"co2luc") = 0;
pm_macAbatLev("2020",regi,"co2luc") = 0;

*** Limit MAC abatement level increase to 5 % p.a., or 2 % p.a. for cement
*** before 2050
*** Limit MAC abatement level increase to sm_macChange (default: 5 % p.a.)
loop (ttot$( ttot.val ge 2015 ),
pm_macAbatLev(ttot,regi,MACsector(enty))
= min(
pm_macAbatLev(ttot,regi,enty),

( pm_macAbatLev(ttot-1,regi,enty)
+ ( ( s_macChange$( NOT sameas(enty,"co2cement") OR ttot.val gt 2050 )
+ 0.02$( sameas(enty,"co2cement") AND ttot.val le 2050 )
)
* pm_ts(ttot)
)
)
pm_macAbatLev(ttot-1,regi,enty)
+ (sm_macChange * pm_ts(ttot))
);
);

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2 changes: 2 additions & 0 deletions modules/37_industry/fixed_shares/not_used.txt
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Expand Up @@ -17,3 +17,5 @@ vm_Mport, variable, not needed
pm_tau_ces_tax, input, questionnaire
pm_secBioShare, parameter, not needed
pm_exogDemScen,input,added by codeCheck
pm_ts, parameter, not needed
sm_macChange, parameter, not needed
1 change: 1 addition & 0 deletions modules/37_industry/subsectors/declarations.gms
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,7 @@ $endif.no_calibration
q37_macBaseInd(ttot,all_regi,all_enty,secInd37) "gross industry emissions before CCS"
q37_emiIndCCSmax(ttot,all_regi,emiInd37) "maximum abatable industry emissions at current CO2 price"
q37_IndCCS(ttot,all_regi,emiInd37) "limit industry emissions abatement"
q37_limit_IndCCS_growth(ttot,all_regi,emiInd37) "limit industry CCS scale-up"
q37_cementCCS(ttot,all_regi) "link cement fuel and process abatement"
q37_IndCCSCost "Calculate industry CCS costs"
q37_demFeIndst(ttot,all_regi,all_enty,all_emiMkt) "industry final energy demand (per emission market)"
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12 changes: 12 additions & 0 deletions modules/37_industry/subsectors/equations.gms
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Expand Up @@ -164,6 +164,18 @@ q37_IndCCS(ttot,regi,emiInd37)$( ttot.val ge cm_startyear ) ..
v37_emiIndCCSmax(ttot,regi,emiInd37)
;

*' Limit industry CCS scale-up to sm_macChange (default: 5 % p.a.)
q37_limit_IndCCS_growth(ttot,regi,emiInd37) ..
vm_emiIndCCS(ttot,regi,emiInd37)
=l=
vm_emiIndCCS(ttot-1,regi,emiInd37)
+ sum(secInd37_2_emiInd37(secInd37,emiInd37),
v37_emiIndCCSmax(ttot,regi,emiInd37)
* sm_macChange
* pm_ts(ttot)
)
;

*' Fix cement fuel and cement process emissions to the same abatement level.
q37_cementCCS(ttot,regi)$( ttot.val ge cm_startyear
AND pm_macswitch("co2cement")
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