martinW wrote: ↑Fri Jan 28, 2022 11:13 am
7.5p cheap rate for me
Sticking with Go Faster 5 hours at 5.5p and 16.9p normal rate. Hopefully I've still go this until June 2022 so can ride out the price hikes.
I'm currently on Go Faster 5/15p with a 2030-0030 cheap period. When it ends in August I'm assuming that I won't be renewing on to a tariff that looks anything like what I have now. 2030 starts, 5p/kWh, and market competitive peak prices seem to have gone for good.
When I signed up for Go I'd been paying 17p/kWh for flat rate electric, so 15p for peak was a no-brainer. Now flat rate is 20p but peak on a ToU is 30p.
Previously you'd have been better off on a ToU without doing anything, every bit of power you did manage to time-shift was a bonus. Now you *HAVE* to time-shift a chunk just to break even.
I've done some calculations:
| |
kWh per month | 750 |
Standing charge per day | £0.25 |
Flat tariff per kWh | £0.20 |
ToU Cheap Rate per kWh | £0.05 |
ToU Peak Rate per kWh | £0.30 |
| | |
Off-peak % | Flat tariff | ToU tariff |
10.00% | £157.50 | £213.75 |
20.00% | £157.50 | £195.00 |
30.00% | £157.50 | £176.25 |
40.00% | £157.50 | £157.50 |
50.00% | £157.50 | £138.75 |
60.00% | £157.50 | £120.00 |
70.00% | £157.50 | £101.25 |
80.00% | £157.50 | £82.50 |
90.00% | £157.50 | £63.75 |
100.00% | £157.50 | £45.00 |
Basically based on this you need to squeeze at least 40% of your electricity usage into the cheap period to make it work. It'll pay off a bit for us weirdos with our big solar arrays and battery packs. But the average family with a BEV to plug in isn't as obviously better off on a ToU tariff.