So, they've successfully got rid of about 50% of nuclear and 20% of coal by adding a very small amount of gas generation. Presumably the rest is coming from renewables. Sounds like a pretty good progress report.
No reason not to complete the picture, I guess:
2002 2018
Total 503 545
Coal+Oil 253 205
Nuclear 156 72
Gas 40 44
Biomass 4 45
Wind+Solar+Hydro 39 177
Other 10 3