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India Mandates Minimum Discharge Duration for Battery Storage
The Central Transmission Utility of India (CTUIL) has issued new guidelines for battery energy storage systems connecting to the electricity grid. A minimum discharge duration of four hours is now required for specific applications. For projects under the 'right of first refusal' (RoFR) category, a two-hour minimum has been set. This measure aims to enhance the stability of India's power grid.
The Central Transmission Utility of India (CTUIL) has recently introduced new requirements for the grid connection of battery energy storage systems (BESS). These guidelines specify a minimum discharge duration, which varies depending on the nature of the grid connectivity application and the provisions of the 'Grid Network Access' (GNA).
For certain specific applications of battery energy storage systems connecting to the grid, a minimum discharge duration of four hours has been mandated. This implies that these systems must be capable of supplying energy to the grid for at least four consecutive hours. This requirement is likely intended to ensure robust and sustained support for the electricity grid, for instance, during peak demand periods or fluctuations in renewable energy generation.
Furthermore, CTUIL has outlined a separate requirement for eligible projects falling under the 'right of first refusal' (RoFR) category. For these particular projects, a minimum discharge duration of two hours applies. This differentiation in requirements likely acknowledges the varying roles and operational needs of diverse storage projects within the Indian energy landscape, where some projects may offer quicker, shorter responses while others provide more prolonged capacity.
These measures are aimed at ensuring the stability and reliability of India's transmission network. By specifying minimum discharge durations, the grid operator seeks to ensure that battery energy storage systems can provide a substantial and consistent contribution to grid balancing and energy supply, which is crucial for the further integration of renewable energy sources. For project developers, this means that the design specifications of new BESS projects in India must adhere to these minimum standards.
The information for this article is sourced from Mercom India.
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