THPC, the Theun-Hinboun Power Company was established in 1994 to create the first independent power producer in Laos. Its 220 MW hydropower plant made a significant contribution to Lao economic stability and growth from 1998-2012. In early 2013 THPC opened a 280 MW expansion project, making its combined plant the third biggest in Laos. THPC is owned by three companies: EDL-Gen of Laos with 60%, and GMS Lao and Nordic Hydropower, each with a 20% stake. The company places great emphasis on its social and environmental performance and its workforce is 99% Lao.