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Historical Codes of Practice

Refer to the table below to download a historical version of the metering Code of Practice in PDF format.

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CoPs	Issue	Version	Effective date	Title
1	1	1.00	Code Effective Date	Code of Practice for the Metering of Circuits with a Rated Capacity Exceeding 100MVA for Settlement (234Kb)
1	1	2.00	BETTA Effective Date	Code of Practice for the Metering of Circuits with a Rated Capacity Exceeding 100MVA for Settlement (94Kb)
2	1	1.00	15/04/93	The Metering of Circuits with a Rated Capacity not exceeding 100 MVA for Settlement Purposes (1.2Mb)
2	2	1.03	01/05/97	The Metering of Circuits with a Rated Capacity not exceeding 100 MVA for Settlement Purposes (988Kb)
2	3	1.05	Code Effective Date	Code of Practice for the Metering of Circuits with a Rated Capacity not exceeding 100 MVA for Settlement Purposes (91Kb)
2	3	2.00	BETTA Effective Date	Code of Practice for the Metering of Circuits with a Rated Capacity not exceeding 100 MVA for Settlement Purposes (93Kb)
3	1	1.00	15/04/93	The Metering of Circuits with a Rated Capacity not exceeding 10 MVA for Settlement Purposes (1.2Mb)
3	2	2.00	08/09/95	The Metering of Circuits with a Rated Capacity not exceeding 10 MVA for Settlement Purposes (1.1Mb)
3	3	2.03	01/05/97	The Metering of Circuits with a Rated Capacity not exceeding 10 MVA for Settlement Purposes (81Kb)
3	4	2.05	1998 Operational Date	The Metering of Circuits with a Rated Capacity not exceeding 10 MVA for Settlement Purposes (1.4Mb)
4	1	None	19/03/92	The Calibration, Testing and Commissioning Requirements of Metering Equipment for Settlement Purposes (545Kb)
4	2	1.00	15/04/93	The Calibration, Testing and Commissioning Requirements of Metering Equipment for Settlement Purposes (1.2Mb)
4	3	1.11	26/07/94	The Calibration, Testing and Commissioning Requirements of Metering Equipment for Settlement Purposes (1.1Mb)
4	4	2.00	08/06/95	The Calibration, Testing and Commissioning Requirements of Metering Equipment for Settlement Purposes (1.1Mb)
5	1	1.00	27/12/92	The Metering of Energy Transfers with Maximum Demand of up to (& including) 1MW for Settlement Purposes (1.1Mb)
5	2	1.03	01/09/94	The Metering of Energy Transfers with Maximum Demand of up to (& including) 1MW for Settlement Purposes (1.1Mb)
5	3	1.04	20/03/96	The Metering of Energy Transfers with Maximum Demand of up to (& including) 1MW for Settlement Purposes (1Mb)
5	4	1.06	26/10/96	The Metering of Energy Transfers with Maximum Demand of up to (& including) 1MW for Settlement Purposes (1.1Mb)
5	5	1.12	1998 Operational Date	The Metering of Energy Transfers with Maximum Demand of up to (& including) 1MW for Settlement Purposes (1.4Mb)
5	6	4.00	03/11/2005	The Metering of Energy Transfers with Max Demand of up to (& including) 1MW for Settlement Purposes (121Kb)
6	1	3.00	29/01/96	The Metering of Energy Imports via Low Voltage Circuits Fused at 100 AMPS or Less per Phase for Settlement Purposes (3.5Mb)
6	2	3.10	18/11/96	The Metering of Energy Imports via Low Voltage Circuits Fused at 100 AMPS or Less per Phase for Settlement Purposes (3.3Mb)
6	3	4.10	22/01/98	The Metering of Energy Imports via Low Voltage Circuits Fused at 100 AMPS or Less per Phase for Settlement Purposes (3.6Mb)
7	1	3.00	08/08/96	The Metering of Energy Imports via Low Voltage Circuits Fused at 100 AMPS or Less per Phase for Settlement Purposes (2.6Mb)
8	1	3.00	03/11/2005	The Code of Practice for the Metering of Import Active Energy via Low Voltage Circuits for Non-Half Hourly Settlement Purposes (94Kb)
9	1	2.00	BETTA Effective Date	Code of Practice for the Metering of Import and Export Active Energy via Low Voltage Circuits for Non-Half Hourly Settlement Purposes (111Kb)
A	None	None	30/03/90	Code of Practice for the Metering of Electricity Transfers between National Grid Company plc and Public Electricity Suppliers using the National Interim Metering Scheme (7.7Mb)
B	None	None	30/03/90	Code of Practice for the Metering of Electricity Transfers between National Grid Company plc and Public Electricity Suppliers using the National Metering System at commercial boundaries (known as the “Final Metering Scheme”) (8.8Mb)
C	None	None	30/03/90	Code of Practice for the Metering of Electricity Transfers between Public Electricity Suppliers at Voltage Levels below 132kv (to apply after the Final Metering Scheme date) (7.6Mb)
D	None	None	30/03/90	Code of Practice for the Metering of Electricity Transfers between the National Grid Complany plc and Generating Companies using the National Interim Metering Scheme (7.6Mb)
E	None	None	30/03/90	Code of Practice for the Metering of Electricity Transfers between the National Grid Company plc and Generating Companies using the National Final Metering Scheme (7.4Mb)
F	None	None	30/03/90	Code of Practice for the Metering of Electricity Transfers between Embedded Generators and Public Electricity Suppliers (7.4Mb)
G	None	None	30/03/90	Code of Practice for the Metering of Second Tier Supplies of 1MW and Above (6.3Mb)
H	None	None	30/03/90	Code of Practice for the Metering of Electricity Transfers between the National Grid Company plc and Externally Interconnected Parties over Alternating Current Interconnections using the National Interim Metering Scheme (6.2Mb)
I	None	None	30/03/90	Code of Practice for the Metering of Electricity Transfers between the National Grid Company plc and Externally Interconnected Parties over direct Current Interconnections, using the National Interim Metering Scheme (4.8Mb)
J	None	None	30/03/90	Code of Practice for the Metering of Electricity Transfers between the National Grid Company plc and Externally Interconnected Parties over Alternating Current Interconnections using the National Final Metering Scheme (5.8Mb)
K1	None	None	13/06/91	Code of Practice for the Metering of Electricity Transfers between the National Grid Company plc and Existing Non-Embedded Direct Consumers using the National Metering Scheme at commercial boundaries (known as the “Final Metering Scheme”) (7Mb)
K2	None	None	13/06/91	Code of Practice for the Metering of Electricity Transfers between the National Grid Company plc and Non-Embedded Consumers using the National Metering System at commercial boundaries (known as the “Final Metering Scheme”) (9.6Mb)

Codes of Practice - Settlement Agreement for Scotland

The Codes of Practice are in relation to the Settlement Agreement for Scotland ("SAS"). ELEXON Limited is not responsible for the creation of the SAS Codes of Practice. While care is taken in the collection and provision of this information, ELEXON Limited shall not be liable for any errors, omissions, misstatements or mistakes in any information or damages resulting from use of this information or action taken in reliance on it.

In accordance with Section L of the BSC; a Metering System shall, as a minimum, comply with the requirements set out in the version of the Code of Practice relevant at the time the Metering System was first registered for Settlement.

Refer to the table below to download a Code of Practice in PDF format. Go to the Codes of Practice page for more information about the Technical Assurance of Half Hourly Settlement Metering Systems, the National Measurement Transformer Error Statement and metering dispensations.

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CoPs	Issue	Version	Effective date	Title
S1	1	22.0	31/10/2005	Code for the Metering of Circuits with a rated capacity exceeding 100 MVA for Allocation purposes (189Kb)
S2	1	22.0	31/10/2005	Code for the Metering of Curcuits with a rated capacity not exceeding 100 MVA for Allocation purposes (205Kb)
S3	1	22.0	31/10/2005	Code of the Metering of Circuits with a rated capacity not exceeding 10MVA (202Kb)
S4	1	22.0	31/10/2005	Code for the calibration, testing and commissioning requirements of Metering Equipment for Allocation purposes (203Kb)
S5	1	22.0	31/10/2005	Code for the Metering of Circuits with a rated capacity not exceeding 1MW for Allocation purposes (207Kb)
S6	1	22.0	31/10/2005	Code for the Metering of Energy Imports via Low Voltage Circuits at 100 Amps or less per phase for Allocation purposes (302Kb)
S7	1	22.0	31/10/2005	Code for the Metering of Energy Imports via Low Voltage Circuits at 100 Amps or less per phase for Allocation purposes (469Kb)
S8	1	22.0	31/10/2005	Code for the Metering of Import Active Energy via Low Voltage Circuits for Non Half Hourly Allocation purposes (177Kb)