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NDC SSA #2022

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NDC SSA #2022

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ef2be15
remove SSA special NDC treatment
Mar 6, 2025
c7004d2
Merge branch 'remindmodel:develop' into NDCSSA
RahelMA Mar 6, 2025
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4 changes: 0 additions & 4 deletions modules/45_carbonprice/NDC/postsolve.gms
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Expand Up @@ -52,10 +52,6 @@ p45_factorRescaleCO2TaxLtd_iter(iteration,t,regi) = p45_factorRescaleCO2TaxLtd(t

display p45_factorRescaleCO2TaxLtd_iter;

*CB* special case SSA: maximum carbon price at 30 in 2025, 45 in 2030, to reflect low energy productivity of region, and avoid high losses
pm_taxCO2eq(t,regi)$(sameas(t,"2025") AND sameas(regi,"SSA")) = min(pm_taxCO2eq("2025",regi)$(sameas(regi,"SSA")),30 * sm_DptCO2_2_TDpGtC);
pm_taxCO2eq(t,regi)$(sameas(t,"2030") AND sameas(regi,"SSA")) = min(pm_taxCO2eq("2030",regi)$(sameas(regi,"SSA")),45 * sm_DptCO2_2_TDpGtC);

*** calculate tax path until NDC target year - linear increase
p45_taxCO2eqFirstNDCyear(regi) = smax(t$(t.val = p45_firstNDCyear(regi)), pm_taxCO2eq(t,regi));
pm_taxCO2eq(t,regi)$(t.val > 2021 AND t.val < p45_firstNDCyear(regi)) = (p45_taxCO2eqFirstNDCyear(regi) - pm_taxCO2eq("2020",regi))*(t.val-2020)/(p45_firstNDCyear(regi)-2020) + pm_taxCO2eq("2020",regi);
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