The project is being developed by [[Hongsa Power Company]], a consortium comprising the Thai company [[Ratchaburi Electricity Generating Holding Public Company]] (RATCH), [[Banpu Power]] (a susbidiary of the the Thai coal-mining company [[Banpu]]) (BPP) and [[Lao Holding State Enterprise]] (LHSE). RATCH and BPP each have a 40% stake in the project and LHSE 20%.<ref name="Go"/>
The power station is proposed as a mine-mouth power station. The power station and associated mine are slated to cost US$4 billion. The consortium has been granted a 25 year concession over a 60 square kilometre site.<ref name="Go">[http://laovoices.com/2009/12/03/government-goes-ahead-hongsa-lignite-power-plant/ "Government goes ahead Hongsa lignite power plant"], ''Lao Voices'', December 3, 2009. (This is a story from the KPL Lao News Agency).</ref>{{#evpev:youtube|6x584N58xbQ|400|right|แนวสายส่งไฟฟ้าแรงสูงจ.น่าน.|right|250}}{{#evpev:youtube|PzDM0L2Zzm4|400|right|Hongsa Power 1/2 |right|250}}{{#evpev:youtube|YN-tM0o7-eg|400|right|Hongsa Power 2/2 |right|250}}
Under the terms of a May 2009 agreement 1,473MW will be exported to the [[Electricity Generating Authority of Thailand]] (EGAT) with 100MW for domestic Lao consumption. (The remainder is for on site use).<ref name="Go"/>