TABLE 2
Summary of South African externality studies adjusted for inflation
|
Study
|
Actual externality (year of valuation, ZAc/kWh)
|
|
Inflation adjusted externality (2006, ZAc/kWh)a
|
|
Coal
|
Nuclear
|
|
Coal
|
Nuclear
|
Dutkiewicz and de Villiers31
|
0.64b
|
0.179 – 0.547b
|
|
3.23
|
0.90 – 2.76
|
van Horen7
|
2.23 – 12.45c
|
3.32 – 11.28c
|
|
6.99 – 39.07
|
10.41 – 35.40
|
Spalding-Fecher and Matibe41
|
1.40 – 9.30d
|
–
|
|
2.73 – 18.12
|
–
|
aAdjustments performed with an annual inflation rate of 10% from the year of actual valuation; bactual valuations done in 1989; cactual valuations done in 1994; dactual valuations done in 1999.
|