Croatian production of energy sources covers 85% of nationwide natural gas and 19% of oil demand. In 2008, 47.6% of Croatia's primary energy production structure comprised use of natural gas (47.7%), hydropower (25.4%), crude oil (18.0%), fuelwood (8.4%), and other renewable energy sources (0.5%). In 2009, net total electrical power production reached 12,725 GWh. Croatia imported 28.5% of its electric power energy needs. Krško Nuclear Power Plant supplies a large part of Croatian imports, 50% is owned by Hrvatska elektroprivreda, providing 15% of Croatia's electricity.