CEA launches indigenously developed tool STELLAR for cost power utilization

On April 11, 2025, Shri Ghanshyam Prasad, Chairperson of the Central Electricity Authority (CEA), in the presence of Sh. Alok Kumar, former Secretary of Power and partner TLG, and several representatives from the State Power Utilities, launched an indigenously developed Integrated Generation, Transmission, and Storage Expansion Planning Model with Demand Response, a crucial resource adequacy tool.

This software model will be freely distributed to all states and discoms. The domestically created tool is intended to help the states implement a thorough Resource Adequacy plan in accordance with the Ministry of Power's June 2023 resource adequacy guidelines.

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The benefits of the tool include:

Ensuring adequate resource adequacy (neither less nor more) in the electricity grid. Zero load shedding, No stressed capacity and least cost solutions.

Optimisation of the cost of power system generation expansion and system operation while considering the benefit of demand response.

Optimisation of energy and ancillary services.

Optimisation of size and location of storage.

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The software has been developed entirely in India with the active guidance of CEA, ensuring complete transparency. CEA will update and upgrade this tool based on further suggestions from the users (Discoms/ load despatchers) of this software.

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