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EESL Invites Bids for 50 MW Solar Plant with 10MW/40 MWh Battery Storage Project in Odisha

EESL seeks bidders for turnkey solar project with battery storage, including design, installation, operation, and grid integration systems in Odisha.

June 12, 2026. By EI News Network

Energy Efficiency Services Ltd. has invited domestic competitive bids for a large-scale hybrid renewable energy project at the IB Thermal Power Station in Jharsuguda, Odisha.

The tender covers the development of a 50 MW AC grid-connected solar photovoltaic plant integrated with a 10 MW / 40 MWh battery energy storage system (BESS), along with all associated electrical and control infrastructure required for seamless grid operation.

According to the Invitation for Bid, the project is to be executed on a turnkey basis, meaning the selected bidder will be responsible for the complete lifecycle of the asset. This includes design and engineering, procurement of equipment, transportation, installation, testing, commissioning, and final handover. The scope also extends to comprehensive insurance coverage during execution, as well as operation and maintenance and warranty support after commissioning.

The hybrid system will include advanced grid management and control systems such as SCADA, Power Plant Controller (PPC), and Energy Management System (EMS). In addition, the project will feature internal pooling arrangements and plant boundary evacuation interface facilities to ensure efficient power transmission and grid synchronisation. The integration of battery storage is expected to enhance grid stability, enable peak load management, and improve renewable energy utilisation.

The project is scheduled to be completed within 18 months from the issuance of the Notice to Proceed (NTP). Once awarded, the contract price will remain fixed for a period of five years from the date of the Notification of Award, with no provision for escalation during the contract duration. This long-term price stability clause places additional emphasis on accurate cost estimation and risk management by participating bidders.

The bidding process will be conducted under a single-stage, two-envelope system through e-procurement platforms, including the EESL portal and the Central Public Procurement Portal. The tender document fee has been set at INR 25,000, while the bid security or Earnest Money Deposit (EMD) has been fixed at approximately INR 9.05 crore, reflecting the large scale and capital-intensive nature of the project.

A pre-bid meeting is scheduled for June 16, 2026, and will be conducted in a hybrid mode, allowing both online and physical participation at the EESL corporate office in Noida. The deadline for submission of bids is June 30, 2026, with technical bids to be opened shortly thereafter on the same day, while financial bids will be evaluated separately after completion of technical assessment.

The tender underscores India’s growing focus on hybrid renewable energy projects that combine solar generation with battery storage systems to improve grid reliability and energy dispatch flexibility. The inclusion of a 40 MWh storage system highlights the increasing role of energy storage in stabilising renewable-heavy grids and supporting peak demand management.

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IB Thermal Power Station

EESL solar project with battery storage

SCADA systems

SCADA

Power Plant Controller

Renewable energy utilisation

India’s hybrid renewable energy projects