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GRID CODE
VERSION 9
Approved by OERC

CONTENTS

GRID CODE REVISION SCHEDULE

1. INTRODUCTION

2. DEFINITIONS

3. MANAGEMENT OF THE ORISSA GRID CODE

4. SYSTEM PLANNING

5. CONNECTION CONDITIONS

6. OUTAGE PLANNING

7. SCHEDULE AND DESPATCH

8. FREQUENCY AND VOLTAGE MANAGEMENT

9. MONITORING OF GENERATION AND DRAWAL

10. CONTINGENCY PLANNING

11. CROSS BOUNDARY SAFETY

12. OPERATIONAL EVENT/ACCIDENT REPORTING

13. PROTECTION

14. METERING, COMMUNICATION AND DATA ACQUISITION

15. DATA REGISTRATION

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GRID CODE REVISION SCHEDULE

REVISION NUMBER

DATE ISSUED

SECTION(S) REVISED

1

02.06.98

2(drawal), 2(IPP), 2(Licensee), 2(OHPC), 2(PPA)

1

02.06.98

3.4.7

1

02.06.98

7.3

1

02.06.98

8.5

1

02.06.98

12.4.1(ii), 12.4.1(iii), 12.4.1(iv), 12.4.2, 12.5, 12.6, 12.7

1

02.06.98

13.4, 13.5, 13.7, 13.7.4, 13.11

1

02.06.98

14.2, 14.3.2, 14.3.4, 14.3.5, 14.4.2, 14.5.1, 14.5.2, 14.6.4, 14.6.6,
14.6.8, 14.6.9, 14.6.10, 14.6.11, 14.6.12, 14.7.4, 14.7.7, 14.7.8,
14.7.9, 14.8, 14.9.3, 14.9.4, 14.10, 14.10.1

1

02.06.98

15.1, 15.2, 15.3, 15.5, 15.6, 15.7

1

02.06.98

A.1.1, A.1.1.1(ii), A.1.1.3, A.1.1.4(iii), A.1.1.4(iv), A.1.2.3, A.1.2.4(iii), A.2

1

02.06.98

B.1.1.4(d)(v), B.1.1.4(d)(vi), B.1.2.1(ix)(b)(i), B.1.2.1(ix)(b)(ii)

1

02.06.98

B.1.2.1(c), B.1.2.2(i), B(Part-2), B.1.3, B.2.1(i)

1

02.06.98

C.1.3.5, C.3(i), C.5

1

02.06.98

D(ii)

1

02.06.98

E(ii)

2

20.08.98

2(Outage)

2

20.08.98

3.4

2

20.08.98

5.4

2

20.08.98

7.4, 7.6

2

20.08.98

8.4

2

20.08.98

12.4

2

20.08.98

Appendix

2

20.08.98

13.3

2

20.08.98

13.4

3

01.12.98

3.5

3

01.12.98

11.5

4

30.12.98

14.7.5

5

20.05.00

2 (Central Sector Generation), 2 (Generator), 2 (Inter State Generating Station (ISGS))

5

20.05.00

3.4

5

20.05.00

6.3, 6.4

5

20.05.00

7.1, 7.2, 7.3, 7.4

5

20.05.00

8.1, 8.2(ii), 8.3, 8.4

5

20.05.00

C1.1(i), C1.1(ii), C1.1(iii)

6

30.11.00