Melanie Bernice Cloete
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Environmental costs estimation and mathematical model of marginal social cost: A case study of coal power plants
Toyese Oyewo , Odunayo Magret Olarewaju , Melanie Bernice Cloete , Olukorede Tijani Adenuga doi: http://dx.doi.org/10.21511/ee.12(1).2021.08Environmental Economics Volume 12, 2021 Issue #1 pp. 90-102
Views: 539 Downloads: 145 TO CITE АНОТАЦІЯAn increase in electricity production is proportional to environmental risks due to continuous energy production. The paper aims to quantitatively estimate the environmental costs and mathematically model the marginal social cost associated with the lifespan of the coal power plants. Results revealed South Africa Tier 1 company optimum level of electricity production per annum at around 2.15 gigawatts, considering the emission costs and reasonable profit. 85% of the total emissions during the combustion phase average cost of the C02 emission discharged by coal is calculated as 0.23c/KWh, 0.085c/kWh is calculated for NO2, while SO2 is 0.035c/KWh. Total emission cost represents 69.2% of the total cost of producing 1 MGW of electricity. The results confirmed the company losses to be insignificantly considerable to the evaluated environmental costs and capital investment. However, the use of this newly developed mathematical model depends on the source of energy production to confirm the feasibility and profitability of investment in coal-powered stations using environmental management accounting and marginal social cost approaches.
Acknowledgment
The authors would like to acknowledge the National Research Foundation and Durban University of Technology for financial support.
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