The national utility company, SONELEC, manages the water and electricity supply for the urban areas of Nouakchott, Nouadhibou, Kaédi, Rosso, Akjoujt, Autres, and Atar. National installed capacity was 105,000 kW in 2001. Production increased from 49.9 million kWh in 1969 to 154 million kWh in 2000, with 84.4% was from fossil fuels and 15.6% from hydropower. Consumption of electricity in 2000 was 143.2 million kWh. Mauritania gains a portion of its power from dams built on the Senegal River in a joint venture with Senegal and Mali. In 1999, 99% of Mauritania's primary energy came from oil. The only oil refinery, at Nouadhibou, is owned by the Société Mauritarienne d'Industrie de Raffinage (SOMIR) and operated under the technical management of Naftal, an Algerian oil corporation. Significant oil discoveries were made off Mauritania's southwest coast in 2001 and 2002.