Useful information

This page contains information designed to help customers understand aspects of National Grid's charges or to be of general use to the industry.

Useful info

26 March 2009
Triad Calculation Methodology
26 KB
26 March 2009
Triad Data 2008/9
27 KB
26 March 2009
Triad 1990/1 - 2007/8
11 KB
30 January 2009
Notice of Final 2009/10 TNUoS Tariffs
47 KB
30 January 2009
Final TNUoS Tariffs for 2009/10
29 KB
02 July 2008
ICRP Paper - June 1992
7809 KB
31 March 2008
Assistance for Areas with High Electricity Distribution Costs draft tariff for 2008/09
19 KB
28 March 2008
Triad data 2007/8
27 KB
28 March 2008
Triad dates 1990/1 - 2006/7
11 KB
05 February 2008
Transmission Charging Tutorial (Warwick)
2130 KB
31 January 2008
2008/9 Final TNUoS Tariffs
20 KB
21 December 2007
Draft TNUoS Tariffs for 2008/9
21 KB
10 December 2007
Transmission Charging Tutorial (Glasgow)
2128 KB
14 November 2007
150 Days Letter of Notification for 2008/9 TNUoS Charges
25 KB
02 October 2007
CAP148 Initial Thoughts on Charging
70 KB
31 January 2007
Final TNUoS Generation Zones for 2007/8
476 KB
31 January 2007
Final TNUoS Tariffs for 2007/8
21 KB
01 November 2006
150 Days Letter of Notification for 2007/8 TNUoS Charges
31 KB
01 February 2006
Final TNUoS Tariffs for 2006/7
20 KB
20 October 2005
TNUoS Tariffs 1990/1 to 2002/3
52 KB
20 October 2005
Guide to BSUoS Charging
24 KB
20 October 2005
Triad Trading Letter 2002/3
35 KB
20 October 2005
Final TNUoS Tariffs for 2003/04
11 KB
20 October 2005
Final TNUoS Tariffs for 2004/05
14 KB
20 October 2005
Clarification of the application of Transmission Entry Capacity (TEC) within Charge Setting
84 KB
20 October 2005
The Statement of the Connection Charging Methodology
60 KB
20 October 2005
The Statement of the Use of System Charging Methodology
57 KB
18 October 2005
Ofgem Letters of Approval for 2004/05 Charging Statements: The Statement of Use of System Charges
60 KB
18 October 2005
National Grid Letter to the Industry for 2004/05 Charging Statements
17 KB
18 October 2005
Notification of Intention to change TNUoS charges for 2005/06
29 KB
18 October 2005
Explanation of Security Factor Calculation
81 KB
18 October 2005
Final TNUoS Generation zones for 2005/06
521 KB
18 October 2005
Final TNUoS Tariffs for 2005/06
20 KB
18 October 2005
Peak System Demands for 2004/05
7 KB
 

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