Abstract
In the ongoing global warming era, increasing the share of renewable energy systems (RES) in the energy portfolio has been a goal for many governments around the world. South Korea is not an exception and has employed numerous policy measures to promote adoption of RES. The latest renewable energy plan is one of those measures in which the target shares of RES are set for the coming decade. This study proposes a revised, more comprehensive mathematical model for assessing the total costs associated with installment, operation, and disintegration of RES. The proposed model is applied to examine the Korean government’s latest plan in terms of the four major RES: solar PV, wind power, biomass energy, and fuel cell power. Sensitivity analysis was conducted to evaluate robustness of the plan with respect to changes in the price of fuels and CO2 emission. The results illustrate the contribution of various types of costs for implementing the plan and provide insight on numerous issues, including key areas of research for minimizing the costs.
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Abbreviations
- BAU:
-
business as usual
- EIA:
-
energy information administration
- GW:
-
gigawatt
- IEA:
-
international energy agency
- kWh:
-
kilowatt hour(s)
- LCEO:
-
levelized cost of energy
- LR:
-
learning rate
- MW:
-
megawatt
- PV:
-
photovoltaics
- RES:
-
renewable energy system
- α i :
-
learning effect for the capital, fixed, and stripping cost of renewable energy system i
- β i :
-
learning effect for the intermittence cost of renewable energy system i
- Ci,t :
-
cumulative capacity of renewable energy system i in year t
- CCi :
-
capital cost of renewable energy system i
- CIi :
-
unit intermittence cost of renewable energy system i
- d:
-
discount rate
- ECi :
-
external cost of renewable energy system i
- FCi :
-
fixed cost of renewable energy system i
- Ii,t :
-
capacity of renewable energy system i installed in year t
- ICi :
-
intermittence cost of renewable energy system i
- KCi :
-
unit capital cost of renewable energy system i
- KFi :
-
unit fixed cost of renewable energy system i
- lti :
-
lifetime of renewable energy system i
- PCt :
-
price of CO2 emission allowance during year t
- PFi,t :
-
price of fuel for renewable energy system i in year t
- PPi :
-
unit environmental cost excluding that due to CO2 emission for renewable energy system i
- PRi :
-
unit disintegration cost for renewable energy system i
- SCi :
-
Stripping cost of renewable energy system i
- t:
-
time [year]
- τ i,t :
-
capacity factor of renewable energy system i during year t
- TCi :
-
total cost of renewable energy system i
- VCi :
-
variable cost of renewable energy system i
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Acknowledgements
This work was supported by 2020 Hongik University Research Fund, and the National Research Foundation of Korea (NRF-2019 R1C1C1002642).
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Jang, N., Kim, W., Lee, D. et al. Cost and robustness analysis of the Korean government’s renewable energy plan under varying scenarios. Korean J. Chem. Eng. 38, 2397–2405 (2021). https://doi.org/10.1007/s11814-021-0883-4
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DOI: https://doi.org/10.1007/s11814-021-0883-4