GRIDCO Floats Consultant Bid for Upper Indravati Floating Solar and BESS Project

Odisha's Grid Corporation (GRIDCO) has issued a tender inviting consultancy firms to conduct a comprehensive Environmental and Social Impact Assessment (ESIA) for its proposed floating solar power project with battery energy storage system (BESS) at the Upper Indravati reservoir. The scope of work extends beyond the solar array itself, covering evacuation infrastructure and associated transmission lines that will carry power from the reservoir site to the state grid. The move is a critical pre-construction step: under India's regulatory framework, large-scale solar and hydro-linked projects require rigorous ESIA clearances before construction can begin, and appointing a qualified consultant is the first formal milestone in that process. Floating solar — where photovoltaic panels are mounted on water bodies rather than land — has gained serious momentum across India in 2024–25, with the Ministry of New and Renewable Energy (MNRE) actively promoting reservoir-based installations to conserve scarce land while reducing water evaporation. GRIDCO's initiative signals that Odisha is now staking a credible claim in this emerging segment of India's race toward 500 GW of renewable energy capacity by 2030.

What Is the Upper Indravati Floating Solar Project?

The Upper Indravati Hydro Electric Project reservoir, located in Kalahandi district of Odisha, is already home to one of India's significant run-of-river hydro installations, with an installed capacity of 600 MW operated by the Odisha Hydro Power Corporation (OHPC). GRIDCO's proposal to layer a floating solar array — paired with a battery energy storage system — on top of this reservoir is a textbook example of the 'hydro-solar hybrid' model that energy planners across India are prioritising. In a hybrid configuration, the hydroelectric plant acts as a natural balancing mechanism: when solar generation dips at dusk or on cloudy days, hydro turbines ramp up seamlessly, while the BESS provides short-duration buffer storage. This dramatically improves the quality and predictability of power fed into Odisha's grid. The ESIA consultancy GRIDCO is now procuring will map the project's footprint on local ecology, displaced communities if any, and aquatic biodiversity in the reservoir — all mandatory requirements under India's Environmental Impact Assessment Notification and the World Bank's environmental and social safeguard standards that often govern multilateral-funded infrastructure.

Floating solar projects on existing reservoirs avoid the politically sensitive issue of forest or agricultural land acquisition that has slowed several large ground-mounted solar parks in states like Andhra Pradesh and Rajasthan. By using water surface area that is otherwise idle, GRIDCO can potentially accelerate project timelines while keeping community opposition minimal. The BESS component adds further value: it enables Odisha to store surplus renewable energy and discharge it during evening peak-demand hours, reducing the state's dependence on expensive short-term power purchases from the exchange.

Why Floating Solar With BESS Is a Strategic Bet for Odisha

India's floating solar pipeline has expanded sharply over the past two years. NTPC Renewable Energy commissioned a 25 MW floating solar plant at Ramagundam in Telangana — one of Asia's largest at the time — and has since announced further floating solar capacity at its reservoirs. Kerala, Madhya Pradesh, and Andhra Pradesh have all awarded or commissioned floating solar projects ranging from 50 MW to 500 MW. SECI (Solar Energy Corporation of India) has also issued tenders for floating solar with storage, recognising that the combination addresses both intermittency and land constraints simultaneously. For Odisha, a state that has historically been a coal-heavy power producer but is rapidly expanding its renewable ambitions, the Upper Indravati project represents a strategic pivot. GRIDCO is the state's bulk power procurement and transmission entity, making it the natural agency to drive utility-scale clean energy projects. The addition of BESS to the floating solar configuration aligns directly with MNRE's push for round-the-clock renewable power and the Bureau of Energy Efficiency's (BEE) battery storage roadmap, which targets 500 GWh of storage capacity across India by 2030.

The consultancy appointment also matters for project bankability. Lenders — whether domestic institutions like Power Finance Corporation and REC Limited, or multilateral agencies such as the Asian Development Bank — require a credible ESIA before approving project finance. By front-loading this process, GRIDCO is signalling to the market that Upper Indravati is being developed with institutional-grade rigour, improving its chances of attracting competitive financing and experienced EPC contractors once construction bids open.

What This Means for India's Energy Transition

India needs to add roughly 50 GW of new renewable capacity every year between now and 2030 to meet its 500 GW non-fossil target — and a growing share of that capacity must come paired with storage to be genuinely grid-useful. Floating solar with integrated BESS checks both boxes: it adds clean generation and dispatchable storage without consuming land. GRIDCO's Upper Indravati project, if successfully developed, could become a replicable template for other reservoir-rich states — Himachal Pradesh, Uttarakhand, Jharkhand, and Chhattisgarh all have hydro reservoirs with untapped floating solar potential. At the national policy level, PM Surya Ghar and the broader MNRE decentralised and utility solar programmes are already directing states to explore every viable surface for solar deployment. Reservoir surfaces are the logical next frontier.

Watch for the ESIA consultant appointment to be followed swiftly by a detailed project report (DPR) and environmental clearance application — the two milestones that will confirm the project's scale in MW and GWh and set a construction timeline. Odisha's ability to deliver Upper Indravati on schedule will be closely tracked by MNRE and peer state utilities as a proof-of-concept for hydro-solar-storage hybrids in India.