THDC India Limited (formerly known as Tehri Hydro Development Corporation Ltd.), is a Joint Venture of Govt. of India and Govt. of Uttar Pradesh. The Equity is shared in the ratio of 75:25 between GoI and GoUP for the Power Component. The Company was incorporated in July’ 88 to develop, operate & maintain the 2400 MW Tehri Hydro Power Complex and other hydro projects. The Company has an authorised share capital of ` 4000 cr. THDCIL is a Mini Ratna Category-I and Schedule ‘A’ CPSE.
The initial mandate of THDCIL was to develop, operate and maintain the 2,400 MW Tehri Hydro Power Complex (comprising of 1000 MW Tehri Dam & HPP, 1000 MW Tehri Pumped Storage Plant & 400 MW Koteshwar HEP) and other Hydro Projects.
The Memorandum and Articles of Association of the Company has been modified to reflect the current business reality of projects outside Bhagirathi valley. The object clause has been amended to incorporate development of Conventional/ Non-conventional/ Renewable sources of Energy and River Valley Projects.
The Corporation has grown into a multi-Project Organisation, with Projects spread over various States as well as neighbouring Country, Bhutan.
THDCIL presently has 16 projects totaling to an installed capacity of 8,796 MW under various stages of implementation / development.
The commissioning of the 1,000 MW Tehri Power Station by THDCIL in 2006-07 was a landmark for the Country’s Power Sector. The Tehri Project is a multipurpose Project providing power benefits to the Northern Region, Irrigation benefits to Uttar Pradesh, and Drinking Water benefits to NCT Delhi and U.P. Due to regulated releases from the Tehri storage reservoir, the existing downstream hydro projects of the State are also benefiting by way of augmentation in generation at no additional cost to them.
The 400 MW Koteshwar HEP,downstream of Tehri was commissioned in 2011-12. The 1,000 MW Tehri Pumped Storage Plant, which would utilize the Tehri and Koteshwar reservoirs as the pre-requisite upstream and downstream reservoirs, is presently under implementation. The 1,000 MW Tehri PSP is the first Pumped Storage Scheme to be taken up in the Central Sector, and is expected to set a model for the development of the untapped Pumped Storage potential in the Country, which stands at over 90,000 MW.
In addition to the 2,400 MW Tehri Hydro Complex, THDCIL is implementing the 444 MW Vishnugad Pipalkoti Hydro Electric Project (VPHEP) on river Alaknanda in Uttarakhand. THDCIL is also implementing 24 MW Dhukwan Small Hydro Project on Betwa river in Uttar Pradesh. In addition, there are various hydro projects of THDCIL under different stages of implementation i.e. Survey & Investigation and DPR preparation.
Government of UP has allotted Khurja Super Thermal Power Plant (2X660 MW) in Bulandshahar Distt to THDCIL for implementation.
Under India-Bhutan Co-operation in hydro Sector development, THDCIL is implementing Bunakha HEP (180 MW) and has taken up work of updation of DPR of Sankosh HEP (2585 MW) in Bhutan.
Total installed capacity of THDCIL presently is 1,400 MW. THDCIL has two generating stations namely Tehri Stage-I (4x250 MW) and Koteshwar HEP (4x100 MW).
THDCIL is consistently profit making company since the commissioning of Tehri Dam & HPP in the year 2006-07. THDCIL is a dividend paying company since 2007-08.
Tehri Dam has been conferred the Prestigious award of “International Milestone Project” of International Commission of Large Dam (ICOLD) in Oct.’09 at China, considering the Uniqueness of its design and construction features. Koteshwar HEP has been conferred the PMI India Best Project Award of the year in long term duration (More than 3 years) category in 2011-12. THDCIL has been conferred the Power Line Award in the category of 'Best Performing Generation Company (in Hydro Sector)’ in May 2012. THDCIL has been conferred SCOPE Meritorious Award for Corporate Social Responsibility and Responsiveness in April’12.
THDCIL has obtained ISO 9001:2008 Certificate of Quality Management System and ISO 14001-2004 Certification (Environment Management System) for Corporate Office, Rishikesh, Tehri HPP, Tehri PSP, Koteshwar HEP and Vishnugad Pipalkoti HEP. THDCIL has also obtained OHSAS 18001:2007 (Occupational Health and Safety Management System) Certification for Corporate Office, Rishikesh.