Renewable Energy – Wind, Tidal, Geothermal, etc.

Green Term Ahead Market (GTAM)


From UPSC perspective, the following things are important :

Prelims level : Green Term Ahead Market (GTAM)

Mains level : Not Much

As a first step towards Greening the Indian short term power market, the  Ministry of Power and New & Renewable Energy (MNRE) has launched pan-India Green Term Ahead Market (GTAM) in electricity.

Try this question

Q.What is the Green Term Ahead Market (GTAM)? Discuss its working and key benefits to the Renewable Energy sector.

About GTAM

  • GTAM is an alternative new model introduced for selling off the power by the renewable developers in the open market without getting into long term PPAs.
  • This would promote RE merchant capacity addition and help in achieving RE capacity addition targets of the country.

Benefits of GTAM

  • It would lessen the burden on the RE-rich States and incentivize them to develop RE capacity beyond their own RPO.
  • It will benefit buyers of RE through competitive prices and transparent and flexible procurement. It will also benefit RE sellers by providing access to the pan- India market

Key features

  • 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 an MWh 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.
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