Note 39 - Energy by primary source
2011 2010
    1,000 GJ 1,000 GJ  
Coal   -    - 
Gas oil 46  55 
Heavy fuel oil 135  140 
Light fuel oil
Natural gas   615  669   
Internally generated energy, total 797  865 
 
District heat 153  105 
Electricity 2,197  2,177 
Steam   782  757   
Externally purchased energy, total 3,132  3,039 
Total energy consumption 3,929  3,904