• 2008 - Proposed as a JV between Tangedco and BHEL
  • 2012 - The then Chief Minister Jayalalithaa cancels the deal with BHEL. The Government said that TNEB will implement it on its own
  • 2013 - Fresh tenders floated
  • 19 July, 2013 - Techno-commercial bid opened
  • 19 July, 2013 - Tangedco BLTC takes up the subject. BHEL an Chinese consortium tenders are approved
  • 16 July, 2014 - Tangedco Board approves opening of price bids
  • 18 October, 2014 - Price bids: original price bid along with the supplementary bid – opened
  • 30 December, 2014 - Consultant M/s. Fichtner India Ltd submits report. Says both the bids have deficiencies, but their acceptance is Tangedco’s decision
  • 14 March, 2015 - Tangedco board scraps both the bids.