Nagarjunasagar Dam and Right Canal Power House Details

Nagarjunasagar Dam is located in the Krishna river of Guntur district in Telangana. The dam is mainly used for the purpose of hydroelectric project and Irrigation. The Powerhouse is located on the Nagarjunasagar Right Canal at the toe of Nagarjunasagar dam. The salient features of Nagarjunasagar Dam, Nagarjunasagar Right Canal Power House and Nagarjunasagar Hydroelectric project are listed below.

Salient features of Nagarjunasagar Dam:

1. Name of Dam – Nagarjuna Sagar Dam

2. River – Krishna

3. Nearest City – Guruzala

4. District – Guntur

5. State – Telangana

6. Basin – Krishna

7. Status – Completed

8. Purpose of Dam – Hydroelectric, Irrigation, Domestic Water Supply

9. Year of Commencement –

10. Year of Completion – 1974

11. Operating & Maintainance Agency – Irrg. & CAD Department

12. Dam as per Parliamentary Constituency – Narasaraopet

13. Seismic Zone - Seismic Zone-II

14. Type of Dam – Earthen

15. Length of Dam (m) – 4865

16. Max Height above Foundation (m) – 124.66

17. Total Volume Content of Dam (TCM) – 7985

18. Design Flood (cumec) – 53450

19. Length of Spillway (m) – 470.92

20. Crest Level of Spillway (m) – 166.42

21. Spillway Capacity (cumec) – 53450

22. Type of Spillway Gates – Radial

23. No. of Spillway Gates – 26

24. Size of Spillway Gates (m x m) – 13.716 x 13.410

Salient features of Nagarjunasagar Right Canal Power House:

1. Name of Powerhouse – Nagarjunasagar Right Canal Power House

2. Reservoir - Nagarjunasagar Reservoir

3. State – Andhra Pradesh

4. Basin – Krishna

5. Hydroelectric Basin – East Flowing Rivers

6. Seismic Zone – Seismic Zone-II

7. Hydroelectric Development Type – Others

8. Structure Type – Dam

9. Position of Powerhouse – Others

10. Type of Powerhouse - Surface

11. Status of Powerhouse – Operational

12. Completion Year – 1990

13. Pumped Storage – No

14. Net Maximum/ Minimum Head – 34/9.4 m

15. MDDL for Powerhouse - 163.07 m

16. Annual Design Energy (MU) – 212

17. Firm Power (MW) – 18

18. No. of Turbines – 3

19. Capacity per Turbine (MW) – 30.6

20. Total Installed Capacity (MW) – 91.8

21. Head Class of Turbine – Low (Less than 15 m)

22. Water Conductor System (km) -

23. Type of Turbine – Kaplan

24. Turbine Make – Boving-UK

25. Rated Head (m) – 25

26. Rated Speed (rpm) – 150

27. Generator Make – General Electric-UK

28. No. of Penstock – 3

29. Length of Penstock (m) -

30. Penstock Size (m), Internal Diameter- 6.1

31. Design Discharge through each Penstock, Flow - 170 cumec

Salient features of Nagarjunasagar Hydroelectric Project:

1. Hydroelectric Project Name - Nagarjunasagar Hydroelectric Project

2. State – Andhra Pradesh

3. District - Nalgonda

4. River – Krishna

5. Basin – Krishna

6. Hydroelectric Region – Southern Hydroelectric Region

7. Total Installed Capacity (MW) – 968.6 MW

8. Type of Project – Major (> 25 MW)

9. Hydroelectric Project Status – Completed

10. Purpose – Hydroelectric

11. Owner – State

12. Owner Name – APGENCO

13. Interbasin – No

14. Project Sharing – None

15. Intercountry – None