Pre Investment Study on Mini Hydro at Irrigation Canals and Dams of India

Country: India State: Andhra Pradesh Capacity: 21MW 
Go Back to Main Page Client: Joint UNDP/ESMAP Energy: 97GWh

SECSD reviewed the design of prospective schemes aggregating to 21MW with annual energy of 97GWh.  These consist of canal drops on the Guntur, Adanki, and Kakatiya D-83 Branch Canals, the Lock-In-Sula Regulator of Kurnool Canal, and the Lower Mannair Reservoir. 

The Andhra Pradesh State Electricity Board (APSEB) had identified a total of 286 prospective mini-hydro sites on the existing network of canals:  Among the more promising sites are those located in a cluster along the D83 branch of the Kakatiya Canal, and on the Lower Manair Reservoir which also is linked to the Kakatiya Canal. The main prospects on the Nagarjuna Sagar (NSR) scheme are located on the Adanki, Guntur, and Ongole Branch Canals. There are a only few dam based prospects in the state

The  Guntur scheme is as an example of  standardizing the head for the electromechanical equipment by combing canal drops.

MAP OF ANDHRA PRADESH WITH PROJECTS

PROJECT

Q
  (m3/s)
H
  (m)
P
  (kW)
E
  (GWh)
Cost
  (MUSD)
Cost/kW
(USD)
EIRR
  (%)

IRRIGATION DAM BASED SCHEMES

Lower Manair 22.5 7 2 x 1500 16 1.849 616 41.4

CANAL DROP BASED SCHEMES

Adanki BC-1 22.5 4.25 2 x 650 3.64 1.648 1267 14.2
Adanki BC-2 22.5 10 2 x 1250 6.80 1.603 641 14.2
Guntur BC-1 22.5 7 3 x 1250 17.0 2.151 573 22.9
Guntur BC-2 22.5 10 3 x 1250 19.8 2.397 639 22.9
Guntur BC-3 22.5 4.25 2 x 650 6.4 1.391 1070 22.9
Guntur BC-4 22.5 7 2 x 1250 10.5 1.603 641 22.9
Lock-in-Sula 22.5 10 2 x 1500 16.48 2.072 690 29.2
TOTAL     21,100 96.6 14.71 697  

ADANKI DROP D/s

GUNTUR-1 DROP

ADANKI  DROP U/s

LIST OF SCHEMES HANDLED BY SECSD

GUNTUR-2 DROP

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