Green Term Ahead Market (GTAM) 

#GS3 #Energy  

As a first step towards Greening the Indian short term power Market, Minister of State (IC) Power and New & Renewable Energy & Minister of State (Skill Development and Entrepreneurship), launched pan-India Green Term Ahead Market (GTAM) in electricity. 

Key features of GTAM 

  • Transactions through GTAM will be bilateral in nature with clear identification of corresponding buyers and sellers, there will not be any difficulty in accounting for RPO. 
  • GTAM contracts will be segregated into Solar RPO & Non-Solar RPO as RPO targets are also segregated. 
  • Further, within the two segments GTAM contracts will have Green Intraday, Day Ahead Contingency, Daily and Weekly Contracts 
  • Green Intraday Contract & Day Ahead Contingency Contract – Bidding will take place on a 15-minute time-block wise MW basis. 
  • Daily & Weekly Contracts – Bidding will take place on MWh basis. Both buyers and sellers can submit the bid, however the seller will provide profile in terms of 15-minute time block wise quantity (MW) along with the price (Rs/MWh). After the contract gets executed scheduling will take place as per the profile. In case of multiple buyers, the profile will get allocated on a pro-rata basis. 
  • Price discovery will take place on a continuous basis i.e. price time priority basis. Subsequently, looking at the market conditions open auction can be introduced for daily & weekly contracts. 
  • Energy scheduled through GTAM contract shall be considered as deemed RPO compliance of the buyer. 


  • The introduction of GTAM platform would lessen the burden on RE-rich States and incentivise them to develop RE capacity beyond their own renewable purchase obligation (RPO). This would promote RE merchant capacity addition and help in achieving RE capacity addition targets of the country. 
  • GTAM platform will lead to increase in number of participants in renewable energy sector. It will benefit buyers of RE through competitive prices and transparent and flexible procurement. It will also benefit RE sellers by providing access to pan-India market. 
  • Union Power Minister also mentioned that other products to be introduced in power market for promotion of Renewable Energy are in the pipeline and would be introduced soon. 
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