STELLAR Model

  • STELLAR Model Launched: Central Electricity Authority (CEA) launched the State-of-the-art, Totally indigenously developed Resource adequacy model (STELLAR) on April 11, 2025.
  • Purpose: To help Indian states and discoms prepare resource adequacy plans, ensuring reliable electricity supply. It assists in meeting the Ministry of Power’s resource adequacy requirements.
  • Integrated Planning: Enables simultaneous planning for generation, transmission, and storage expansion, incorporating demand response.
  • Key Features: Considers chronological power system operation, unit commitment constraints, endogenous demand response, and ancillary services.
  • Benefits: Ensures adequate resource adequacy, avoids load shedding, optimizes costs, and optimizes storage size and location.
  • Free Distribution: The software will be provided free of cost to all states and discoms.
  • Indigenous Development: Developed entirely in India under CEA’s guidance, ensuring transparency, with future updates based on user feedback.
  • Collaboration: Developed in partnership with The Lantau Group (TLG) and the Asian Development Bank (ADB).
  • Resource Adequacy Focus: Designed to assist states in comprehensive Resource Adequacy planning, following Ministry of Power guidelines issued in June 2023. CEA has already completed RA plans for discoms up to 2034-35 and nationally.
  • Dynamic Tool: It is mandated to be revised every year, it was thought to develop a common tool for all and share it with them free of cost to play with it.