Project Information

  • Location: Bagmundi, Purulia district, West Bengal, India
  • Client: West Bengal State Electricity Distribution Company Ltd (WBSEDCL)
  • Consultant: Water and Power Consultancy Services (India) Ltd. (WAPCOS)
  • Contractors: Hindustan Construction Company (HCC) – Larsen & Toubro Limited (L&T) JV, TAISEI

Purulia Pumped Storage

The 900 MW Purulia Pumped Storage Project is the biggest project of its kind in India. The project consists of a 95 m high, 310 m long lower rock-fill dam and 65 m high, 800 m long upper rock-fill dam. The special feature of the pump storage scheme is that it has a reversible pump turbine/ generator motor.

Both the dams have been instrumented by Encardio-rite, including the penstock, tunnels and underground powerhouse. The scope of work included supply, installation, monitoring reporting with data evaluation.

Extensive instruments used in the project include a piezometer, strain gauge for penstock, borehole extensometer, anchor bolt load cells, vertical and horizontal settlement devices, seepage measurement device, geodetic targets, portable readout units and seismographs.

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