Growth of installed Capacity

7538 765679298099 8264

87929045

10164

11064

12199

1338113800

1426814572

1517215778

1593015930

7000

8000

9000

10000

11000

12000

13000

14000

15000

16000

MW

85-8

6

86-8

7

87-8

8

88-8

9

89-9

0

90-9

1

91-9

2

92-9

3

93-9

4

94-9

5

95-9

6

96-9

7

97-9

8

98-9

9

99-0

0

00-0

1

01-0

2

02-0

3

03-0

4

19

85

19

86

19

87

19

88

19

89

19

90

19

91

19

92

19

93

19

94

19

95

19

96

19

97

19

98

19

99

20

00

20

01

20

02

20

03

S1

0236 387 427557

983 9831287

18782182

3318

39783978

4608

55355535 5535

5935 6604

0

500

1000

15002000

2500

3000

3500

40004500

5000

5500

6000

CK

T K

M

YEAR

GROWTH OF 400 KV TRANSMISSION SYSTEM IN EASTERN REGION

GROWTH OF ENERGY AND PEAK LOAD

200002200024000260002800030000320003400036000380004000042000440004600048000500005200054000

85

-86

86

-87

87

-88

88

-89

89

-90

90

-91

91

-92

92

-93

93

-94

94

-95

95

-96

96

-97

97

-98

98

-99

99

-00

00

-01

01

-02

02

-03

03

-04

MU

->

3000

3500

4000

4500

5000

5500

6000

6500

7000

7500

8000

8500

MWENERGY

PEAK LOAD

REGIONAL DEMAND PROJECTION UPTO MAR-2005

3000

3500

4000

4500

5000

5500

6000

6500

7000

7500

8000

8500

9000

9500A

pr-

95

Mar

-96

Mar

-97

Mar

-98

Mar

-99

Mar

-00

Mar

-01

Mar

-02

Mar

-03

Mar

-04

Mar

-05

Mar

-06

Mar

-07

MW

PEAK

LEAN

AVG

MAX : 8016 MW 19:04:30 Hrs.MIN : 5200 MW 13:49:30 Hrs. Hrs. Demand

1 62222 61423 59444 58125 58956 60577 59728 60269 5974

10 594511 584412 578613 566314 540615 535916 552017 590618 727619 796420 790721 782322 758423 714424 6510

MU : 151.68

MAX MIN STD LF 8016 5200 813 0.79

MIN/MAX0.65

MU151.68

4500

5000

5500

6000

6500

7000

7500

8000

8500

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

TIME (Hrs.)

DEM

AN

D (

Mw

)

ER GRID DEMAND (Corr. ) MET

Problems Encountered

• Poor Hydro Thermal MixPoor Hydro Thermal Mix

• Adverse Peak – off-Peak ratioAdverse Peak – off-Peak ratio

• Very High off peak Frequency , Low peak Very High off peak Frequency , Low peak

frequencyfrequency

• Forced Backing DownForced Backing Down

• Machines under Reserve Shut DownMachines under Reserve Shut Down

• Absence of Rational Commercial mechanismAbsence of Rational Commercial mechanism

“Bottled Energy”