Electricity generation by sources (GWh)

2006

2007

2008

2009

2010

2011

2012

2013

2014

LFO

426

571

661

1048

953

970

1014

1060

620

HFO

145

267

151

235

210

217

228

249

266

Biofuel

643

76

77

71

59

61

64

68

Natural Gas

0

482

500

413

417

298

358

617

896