Iran possesses 10% of the world's proven oil reserves and 15% of its gas reserves. Domestic oil and gas along with hydroelectric power facilities provide power. Energy wastage in Iran amounts to six or seven billion dollars per year, much higher than the international norm. Iran recycles 28% of its used oil and gas, whereas some other countries reprocess up to 60%. In 2008 Iran paid $84 billion in subsidies for oil, gas and electricity. It is the world's third largest consumer of natural gas after United States and Russia. In 2010 Iran completed its first nuclear power plant at Bushehr with Russian assistance.