During the proceedings, the APTEL bench stated that it wants to ensure CERC has functioned in a fair manner and has acted independently in its decision-making.
The bench also noted that it would be incorrect to assume that the 2025 ruling, norms, or orders will automatically continue, indicating that the previous directive may not be upheld.
The ongoing hearing marks a critical development in the long-standing regulatory debate surrounding market coupling, with implications for IEX’s role in price discovery and overall market structure.
Ahead of the hearing, the Central Electricity Regulatory Commission (CERC) had issued a fresh clarification on its July 2025 market coupling order.
In its latest statement, CERC said the order should be read as “directions,” a move that appears to have heightened investor caution ahead of the scheduled hearing by the Appellate Tribunal for Electricity (APTEL).
The clarification came just before the round of proceedings in the market coupling case, where APTEL was set to hear petitions challenging the formulation process of the July order.The hearing was earlier postponed after the CERC told the tribunal it was willing to take directions regarding the withdrawal of its contentious July 23, 2025, order that had sparked strong reactions in the market.
The original order had introduced a market coupling mechanism, a structural reform that could potentially alter how electricity prices are discovered across power exchanges. Following the announcement in July 2025, IEX shares had plunged sharply in a single session, as the move was seen as diluting the company’s dominance in price discovery, liquidity, and trading volumes.
Currently, IEX holds a commanding 85% market share in the spot power market. However, market coupling threatens to redistribute volumes more evenly across exchanges, which could challenge IEX’s market leadership.
The tribunal had previously raised questions about the rule-making process, flagging concerns over transparency, independence, and institutional conduct in CERC’s approach to framing the rules.
APTEL had described the process as involving “too much theatrics,” suggesting it lacked the detachment expected from an independent statutory regulator. The tribunal had emphasized that CERC must maintain institutional distance and act above suspicion, especially when decisions affect broader market dynamics.
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While the final outcome of the case remains pending, APTEL’s comments and the regulator’s willingness to reconsider its position have buoyed investor sentiment.
IEX shares had rallied to a one-month high on January 7 following news of the regulator’s intent to take directions from the tribunal. Investors are now likely to closely track the developments in today’s hearing for further clarity on the future of market coupling and its implications for IEX.
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