SYSTEM STATISTICS: STORAGE AS ON 29.04.2025

Min.Draw Down Level(m)

Full Reservoir

RESERVOIR

Level (m)

Effective Storage (mcm)

Storage (%)

Gen. Capability (mu)

RF

Spill

Inflow

Cum. IF for month mu

Previous day's storage (%).

Remarks

Min.Draw Down Level(m)

Level(m)

Stg.(mcm)

Stg.(mu)

Gross

Station

mm

mcm/day

in MU

694.944

732.43

1460

2190

IDUKKI

713.927

575.301

39

862.952

845.692

49.8

1.097

34.62

40

2342.24

963.168

986.332

31.001

59.46

PAMBA

963.75

0.38

39

353.198

297.493

1.745

41.001

39

908.304

981.456

446.542

856.467

KAKKI

960.132

183.769

0

0

5

779.374

811.68

149.23

152.065

SHOLAYAR

797.601

52.321

35

53.316

34.898

11.5

0.609

14.66

36

2616

115

169

1017.8

254.45

IDAMALAYAR

141.11

330.295

32

82.574

82.574

4

0.062

3.365

33

1735.836

1758.696

7.787

22.738

KUNDALA

1757.1

6.62

85

88.242

38.168

91

2

1554.48

1599.59

55.217

161.234

MADUPPATTY

1585.9

23.6

43

0

43

3696.413

Group I Total

39

1440.281

737.616

758.037

33.99

42.827

KUTTIADI

750.6

16.806

49

79.073

76.562

0.336

11.377

49

750.5

775.6

201

253.26

THARIODE

760.2

45.95

23

0

19.2

23

1188

1207.008

48.968

65.616

ANAYIRANKAL

1198.11

15.41

31

61.211

21.547

7.719

33

678.8

707.745

47.4

63.516

PONMUDI

700.85

30.27

64

0

16

64

425.219

Group II Total

33

140.284

445

456.59

5.557

4.835

NERIAMANGALAM

453.8

3.74

67

3.254

1.533

7

0.422

6.286

60

405.689

423.976

30.356

10.625

PORINGAL

415.4

10.05

33

3.518

3.518

4

1.145

32

844.86

847.6

1.614

0.71

SENGULAM (SBR)

846.6

0

0

237.74

253

4.55

2.093

LOWER PERIYAR

249.7

3.16

69

1.454

1.454

2

2.758

81

181.36

192.63

1.16

0.358

KAKKAD

189.55

0

0

18.62

Group III Total

47

8.225

4140.252

TOTAL

38

1588.79

105.514

160416

Worst inflow

Comparison with previous years

Best inflow

Inflow during the day, Mu

Year

2016-17

2021

2022

2023

2024

2025

2018-19

Cum. Inflow for the Month,Mu

105.514

Storage in MU

1359.268

1556.409

1491.633

1415.307

1423.487

1588.79

1281.428

Anticipated Inflow upto date, Mu

114.939

Hydro Generation in MU

8.611

23.301

30.426

13.137

22.593

19.062

23.169

Anticipated Inflow for the month,Mu

118.902

Inflow in MU

8.812

5.155

5.604

4.639

2.827

3.661

5.749

Last Year's Storage mu

1423.487

Cum inflow in MU for WY

5555.022

6822.613

9504.085

8891.216

4817.953

6712.131

11022.777

Diff.in storage-Last year mu

165.302

Remarks:: 1)Number of days remaining in the current water year is 032

2) Sholayar Inflow is not included in the computation of actual and anticipated inflow.