15
2010
2000
1990
1980
1970
Net exporter
Net importer
Percentage of UK energy supply made
up of net imports
50
40
30
20
10
0
-10
-30
-20
2015
2010
2005
2000
1995
1990
1985
1980
1970
1975
Net exporter
Net importer
Percentage of UK energy supply made up of net imports
50
40
30
20
10
0
-10
-30
-20