What is a super-large pumped storage project

The pumped storage facility is intended to store surplus electricity and supply power during periods of higher demand. By moving surplus power from off-peak to peak periods, pumped storage projects help stabilise the electricity supply. Pumped storage projects move water between two reservoirs located at different elevations (i.e., an upper and lower reservoir) to store energy and generate electricity. Generally, when electricity demand is low (e.g., at night), excess electric generation capacity is used to pump water from the. The project, described by the company as India’s largest pumped storage facility, will comprise ten units of 300 MW each and will be executed by L&T’s Heavy Civil Infrastructure business. By moving surplus power from off-peak to peak periods, pumped storage projects help stabilise the electricity. Pumped storage hydropower (PSH) is a type of hydroelectric energy storage. It is a configuration of two water reservoirs at different elevations that can generate power as water moves down from one to the other (discharge), passing through a turbine. The system also requires power as it pumps water. Larsen & Toubro has secured a large Rs 2,500–5,000 crore order from Torrent Energy Storage Solutions to build India’s biggest 3,000 MW pumped storage project in Raigad, Maharashtra. L&T bags Rs 2,500–5,000 crore order. (Image: Canva) Larsen & Toubro (L&T)’s Heavy Civil Infrastructure business. Pumped hydroelectric storage (PHS) is the most widely used electrical energy storage technology in the world today. It can offer a wide range of services to the modern-day power grid, especially assisting the large-scale integration of variable energy resources. It has gained a renewed interest. From underground caverns in Austria to record-speed builds in China and long-duration storage studies in the US, pumped storage hydropower is re-emerging as the backbone of renewable integration. A wave of projects in 2025 shows how engineers are adapting old principles to new system needs. The.