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 

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