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Telangana Power Generation Corporation Invites Bids for 250 MW/500 MWh Standalone Battery Energy Storage Systems

Energy Storage

Jan 25, 2025

Telangana Power Generation Corporation (TGGENCO) has issued a tender inviting bids to establish a 250 MW/500 MWh standalone battery energy storage system (BESS) as a pilot project in the state.

The project is a step towards advancing energy storage solutions and integrating renewable energy into the grid.

Key Details of the Project
  1. Viability Gap Funding (VGF):

    Developers will be eligible for VGF of up to Rs2.7 million /MWh or 30% of the project’s capital cost, whichever is lower.

  2. Submission and Opening Dates:
    • Bid Submission Deadline: February 21, 2025.
    • Bid Opening Date: February 25, 2025.
  3. Fees and Guarantees:
    • Document Fee: Rs29,500.
    • Document Processing Fee: 10,000/MW.
    • Earnest Money Deposit (EMD): Rs432,000/MW.
    • Performance Bank Guarantee: Rs1.08 million /MW.
  4. Minimum Bid Size:

    The minimum bid size is 100 MWh (50 MW x 2 hours).

  5. Project Timeline:

    Developers must commission the BESS within 18 months of signing the Battery Energy Storage Purchase Agreement (BESPA). The BESPA will be valid for 12 years from the date of full commissioning.

  6. Technology and Connection:

    Developers are free to use their preferred battery technology and must connect the project to the state transmission network. Power for charging the BESS will be supplied by the state distribution companies (DISCOMs).

  7. Operational Requirements:
    • The BESS must support two operational cycles per day.
    • Developers must guarantee a minimum system availability of 95% annually.
    • Monthly AC-to-AC roundtrip efficiency must be at least 85%.
  8. Land Provision:

    TGGENCO will provide land on a right-to-use lease basis at zero cost through an agreement.

  9. Financial Eligibility:

    Bidders must have a minimum net worth of Rs4.32 million/MW of the quoted capacity as of the end of the last financial year or within seven days before the bid submission deadline.

  10. Technology Standards:

    The project must employ commercially established and operational technologies to mitigate risks and ensure timely completion.