China remained the world's largest energy producer for a fifth year in 2012, said the National Energy Administration on January 9.

Its total installed power generation capacity had reached 1.14 billion kw by the end of 2012.

Installed hydropower capacity stood at 249 million kw, the largest amount in the world. Its wind power had also led the world with an installed capacity of 63 million kw by the end of 2012.

Crude oil reserves and production steadily increased, while natural gas production saw rapid development last year.

China has been the world's largest energy producer since 2008, official data show.