1. Historical T&D charge volatility
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2. Half yearly movements in T&D charges for a domestic customer are … volatile!
© British Gas Trading Limited 2011

3. And much more pronounced by Region …
© British Gas Trading Limited 2011

4. And the numbers are …
The 52% movement in NT for Oct 07 diluted by transmission reduction of -2%, real movement was 66% - through over and under recoveries in subsequent years
© British Gas Trading Limited 2011

5. Assumptions Domestic customer AQ of 18,500 kWh applied to all regions
Full year T&D, price and load factor applied to 12 months
NTS capacity rate averaged for each LDZ (not weighted)
© British Gas Trading Limited 2011

6. Appendix A: Transmission only movement
© British Gas Trading Limited 2011

7. Appendix B: Distribution only movement
© British Gas Trading Limited 2011