SYSTEM STATISTICS: STORAGE AS ON 21.04.2026

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

711.97

503.065

34

754.598

739.506

16.2

2.277

19.114

35

2335.86

963.168

986.332

31.001

59.46

PAMBA

963.15

29

270.054

227.462

5

0.994

16.438

30

908.304

981.456

446.542

856.467

KAKKI

954.706

140.8

0

0

24

779.374

811.68

149.23

152.065

SHOLAYAR

797.784

53.222

36

54.233

35.499

0.218

5.692

36

2617.4

115

169

1017.8

254.45

IDAMALAYAR

140.15

311.85

31

77.963

77.963

1.274

31

1735.836

1758.696

7.787

22.738

KUNDALA

1758.1

7.32

94

68.167

29.485

3.6

0.213

8.423

94

1

1554.48

1599.59

55.217

161.234

MADUPPATTY

1580.85

16.025

29

0

3

30

3696.413

Group I Total

33

1225.015

737.616

758.037

33.99

42.827

KUTTIADI

748.681

13.274

39

74.622

72.253

6.206

41

750.5

775.6

201

253.26

THARIODE

760.2

45.95

23

0

24

1188

1207.008

48.968

65.616

ANAYIRANKAL

1204.27

36.545

75

62.076

21.852

0.115

3.614

76

678.8

707.745

47.4

63.516

PONMUDI

688.6

9.78

21

0

21

425.219

Group II Total

32

136.698

445

456.59

5.557

4.835

NERIAMANGALAM

454.2

3.98

72

3.463

1.631

9

0.041

5.074

61

405.689

423.976

30.356

10.625

PORINGAL

414.35

8.475

28

2.966

2.966

0.51

29

844.86

847.6

1.614

0.71

SENGULAM (SBR)

846.95

0

0

237.74

253

4.55

2.093

LOWER PERIYAR

250.7

3.56

78

1.638

1.638

5

0.449

78

181.36

192.63

1.16

0.358

KAKKAD

189.55

0

0

23

18.62

Group III Total

46

8.066

4140.252

TOTAL

33

1369.779

60.652

138787

Worst inflow

Comparison with previous years

Best inflow

Inflow during the day, Mu

Year

2016-17

2022

2023

2024

2025

2026

2018-19

Cum. Inflow for the Month,Mu

60.652

Storage in MU

922.633

1684.267

1516.927

1566.588

1723.729

1369.779

1426.98

Anticipated Inflow upto date, Mu

83.232

Hydro Generation in MU

16.018

30.908

22.965

15.552

23.434

21.651

12.643

Anticipated Inflow for the month,Mu

118.902

Inflow in MU

3.045

5.954

5.082

2.044

2.007

3.64

2.498

Last Year's Storage mu

1723.729

Cum inflow in MU for WY

3443.513

9464.018

8854.072

4798.206

6680.075

8459.171

10989.984

Diff.in storage-Last year mu

-353.95

Remarks:: 1)Number of days remaining in the current water year is 040

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