Coal
Oil
Nuclear
Natural gas
Other*
Wind, solar and hydro
April 2013
Carbon price
support introduced
100
75
50
25
0
1920
1940
1960
1980
2000
2020
Other*
Coal
Oil
Nuclear
Wind, solar and hydro
Natural gas
April 2013
Carbon price
support introduced
100
75
50
25
0
1920
1940
1960
1980
2000
2020