2013
2015
2017
2019
Created with Raphaël 2.1.2
0
X
10
20
30
40
50
60
70
80
69
Aardgas
69
69
68
18
Stookolie
16
16
16
7
Elektriciteit
8
8
9
3
Hout / pellets
4
4
4
0
Warmtepomp
1
1
1
1
Butaan / propaan
0
0
1
0
Zonne-energie
0
0
0
1
Steenkool
1
0
0
0
Warmtenet
0
0
0
0
Andere
0
1
0
 f 
in