“Open Access” means the non-discriminatory provision for the use of transmission lines or distribution system or associated facilities with such lines or system by any licensee or consumer or a person engaged in generation in accordance with the regulations specified by the Appropriate Commission.
Day Ahead Market (DAM) & Real-Time Market (RTM)
- A closed double-sided anonymous auction for each 15-min time block for the following day
- The intersection between the aggregated sale and purchase curves defines the market clearing price (MCP)
- Bid types: Single Bid or Block Bid
- Minimum bid is of 0.1 MWh at a price of Re.1 and Minimum Volume step is of 0.1MWh
- Delivery Duration: T+1 for DAM; T or T+1 for RTM – where ‘T’ stands for Trading Date
Term-Ahead Market (TAM)
IEX operates Term-Ahead-Market (TAM) allowing participants to buy/sell electricity for a duration of from 15-minute up to 11 days ahead.
Currently, products in the Term Ahead Market include Intra-day, Day-ahead Contingency, Daily and Weekly contracts to help participants manage their electricity portfolio for different durations
Green Term Ahead Market (GTAM)
CERC vide its order dated 17.08.2020 has approved introduction of Green Term Ahead Market (GTAM) at IEX. GTAM provides and additional market to RE projects to sell their power without entering into long term PPAs
Features:
- Energy scheduled under GTAM contract shall be considered as deemed RPO compliance of Buyer
- GTAM contracts are segregated into Solar & Non Solar
- Trading under GTAM started from 21.08.2020
Approved TAM/GTAM Contracts
- Intra Day Contracts – rolling 15 Min Contracts–with a lead time of 3.5 hours: 04 Hrs. to 24 Hrs. Del
- Day Ahead Contingency Contracts- rolling 15 Min contracts. for 00 to 24 Hours (1500 to 2300 Trading Window)
- Daily Contracts – T+2 Day Onwards Delivery till T+9 , (TAM only, GTAM to be introduced)
- Weekly Contracts – Monday to Sunday Delivery – Wednesday, Thursday, Friday Trading ; for subsequent week (TAM only, GTAM to be introduced)