India to Launch Market Coupling for Power Exchanges in January 2026

India’s power regulator has announced plans to implement market coupling for electricity trading from January 2026, aiming to create a uniform price across power exchanges. This move seeks to improve price discovery and system efficiency. This article examines the concept of market coupling, its implementation in India, and its potential impact on the energy market.

Market coupling is an economic model that integrates multiple power exchanges to establish a single electricity price, reducing price disparities and enhancing market efficiency. The Central Electricity Regulatory Commission (CERC) will begin with the day-ahead market segment, coupling all power exchanges using a common system. Grid-India will act as a backup and audit operator, while exchanges will rotate as the market coupling operator.

The initiative addresses inefficiencies in India’s electricity market, where price variations across exchanges can lead to suboptimal resource allocation. In 2023–24, India’s electricity consumption reached 1,543,000 GWh, up from 948,522 GWh in 2014–15, reflecting growing demand. Market coupling aims to streamline trading, ensuring better price signals and resource distribution, particularly for renewable energy integration.

Currently, the Indian Energy Exchange (IEX) dominates spot price discovery, but market coupling will allow other exchanges to participate as couplers, potentially reducing IEX’s market share. This shift could foster competition, benefiting consumers through lower prices. The CERC plans to extend coupling to real-time and term-ahead markets after pilot runs and consultations, ensuring a phased rollout.

Implementation requires data sharing between exchanges, Grid-India, and the CERC. This will enable real-time monitoring and coordination, critical for managing India’s complex grid. The country’s renewable energy growth, with 105GW of solar capacity added in a decade, underscores the need for efficient market mechanisms to integrate clean energy sources.

Challenges include technical integration and stakeholder coordination. Power exchanges must align systems, which could involve significant upgrades. Smaller exchanges may struggle with compliance, and the transition could disrupt existing trading patterns. Analysts suggest that IEX’s dominance may be challenged, potentially affecting its profitability, though competition could drive innovation.

Market coupling aligns with India’s green energy goals. By optimising electricity trading, it supports the integration of solar and wind power, reducing reliance on coal, which still accounts for a significant share of energy. The system could also facilitate cross-border trading, enhancing India’s role in regional energy markets like the International Solar Alliance.

The phased approach allows time to address technical and regulatory hurdles. Future CERC orders will refine the process based on implementation progress. If successful, market coupling could set a precedent for other developing nations, improving energy access and affordability.

India’s move to market coupling in January 2026 is a step towards a more efficient and sustainable energy market. By creating a unified pricing system, the country aims to enhance competition and support its renewable energy transition, addressing growing electricity demand.

Source: Reuters