SYSTEM STATISTICS: STORAGE AS ON 23.10.2025

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

727.064

1166.04

80

1749.06

1714.079

1.8

17.055

305.225

80

2385.38

963.168

986.332

31.001

59.46

PAMBA

978.2

16.9

81

746.294

628.591

26

10.916

167.669

81

908.304

981.456

446.542

856.467

KAKKI

977.002

372.2

0

0

58

779.374

811.68

149.23

152.065

SHOLAYAR

810.981

143.062

96

145.78

95.422

3

0.839

22.685

96

2660.7

115

169

1017.8

254.45

IDAMALAYAR

161.29

796.12

78

199.03

199.03

3.8

0.808

23.285

78

1735.836

1758.696

7.787

22.738

KUNDALA

1758.05

7.285

94

158.585

68.594

6

3.829

79.601

94

1554.48

1599.59

55.217

161.234

MADUPPATTY

1596.65

47.025

85

0

11.8

85

3696.413

Group I Total

81

2998.749

737.616

758.037

33.99

42.827

KUTTIADI

755.326

27.201

80

255.214

247.112

28

2.171

39.815

80

18

750.5

775.6

201

253.26

THARIODE

773.5

175.35

87

0

10

87

1188

1207.008

48.968

65.616

ANAYIRANKAL

1207.26

48.968

100

123.371

43.428

9

3.575

71.654

100

678.8

707.745

47.4

63.516

PONMUDI

706.55

43.1

91

0

5

1.743

92

425.219

Group II Total

89

378.585

445

456.59

5.557

4.835

NERIAMANGALAM

456.1

5.2

94

4.524

2.131

7

2.582

1.79

28.301

98

405.689

423.976

30.356

10.625

PORINGAL

420.1

20

66

7

7

2.2

1.221

17.872

61

844.86

847.6

1.614

0.71

SENGULAM (SBR)

847

0

0

237.74

253

4.55

2.093

LOWER PERIYAR

250.3

3.39

75

1.559

1.559

5

0.669

18.503

63

181.36

192.63

1.16

0.358

KAKKAD

187.5

0

0

19

18.62

Group III Total

75

13.083

4140.252

TOTAL

82

3390.417

733.42

338018

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

733.42

Storage in MU

2175.886

3802.853

3421.932

2449.41

2906.286

3390.417

3346.735

Anticipated Inflow upto date, Mu

582.383

Hydro Generation in MU

6.084

36.226

25.676

10.185

19

32.849

23.701

Anticipated Inflow for the month,Mu

784.95

Inflow in MU

6.429

62.273

26.396

19.331

26.083

41.365

29.243

Last Year's Storage mu

2906.286

Cum inflow in MU for WY

2890.596

6483.906

7591.453

3290.226

5390.766

6954.814

9980.167

Diff.in storage-Last year mu

484.131

Remarks:: 1)Number of days remaining in the current water year is 220

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