Tender brief

NTPC has issued a tender to develop ISTS connected storage projects of 500 MW/ 3,000 MWh capacity anywhere in India. 

Tender details

Storage capacity 500 MW/ 3,000 MWh
RE capacity -
Tender scope BOO
Tendering authority NTPC
Offtaker NTPC
BESPA tenure 25 years
Allocation basis Tariff bid
Technology Storage
Bid size 100 - 500 MW
Minimum CUF -
Minimum system availability 95%
Round trip efficiency 75%
Required bank guarantees

EMD: INR 1.2 million/ MW
PBG: INR 3.42 million/ MW

Technical criteria

Experience in commercially established and operational technologies

Financial criteria

Minimum net worth: INR 22.8 million/ MW
Minimum annual turnover: INR 19.5 million/ MW

Commissioning timeline 24 months
  1. NTPC shall utilize storage facility to provide RTC power to its consumers.
  2. NTPC shall ensure the supply of at least 51% of annual charging power to developers from renewable sources
  3. List of bidders
Developer Bid (INR/ MWh/ year) Bid Capacity (MW)  
Greenko 2,792,308 500 Awarded
HES Infra 3,772,852 100  
Sterlite 5,706,627 100  
JSW 9,368,882 200  
Enel 9,832,273 100  
Hinduja 10,091,123 100  


Tender status

Results announced

Tender timeline

Tender release 24 January 2022
Bid submission 02 November 2022
Bid result 08 December 2022
Estimated PPA signing June 2023
Estimated COD June 2025