Time of Use peak and off peak times
Please refer to the table below to see what your tariff’s peak and off-peak time periods are.
Time of Use Tariff Peak and Off Peak Times
| Tariff | Peak times | Off Peak times | *Assumed peak usage | *Assumed off-peak usage |
| Zap Flash Tariff April 2022** | 7am – Midnight | Midnight – 7am | 50% | 37% (with 13% for 4hour ‘flash period’) |
| Green Driver January 2023 v1 | 3am – 10pm | 10pm – 3am | 70% | 30% |
| Green Driver 5 hour June 2023 | 5am – Midnight | Midnight – 5am | 63% | 37% |
| Green Driver 7 hour June 2023 | 7am – Midnight | Midnight – 7am | 57% | 43% |
*Assumed usage displayed as a percentage of your estimated daily usage.
**On the Zap Flash tariff, customers also benefit from one weekly flash period of 4hours of free electricity at the following times during the year:
The Summer Flash Period will run from 1 April 2021 until 30 September 2021 between:11am – 3pm
The Winter Flash Period will run from 1 October 2021 until 31 March 2022 between: 11pm – 3am