Octopus Energy Octopus Go 12M Fixed: is it worth it?

Last updated 6 Nov 2026 · Prices from Octopus Energy (source)

Octopus Energy Octopus Go 12M Fixed is a fixed EV tariff from Octopus Energy with a cheaper rate between 00:30 and 05:30. Whether it's the cheapest for you depends on your car, your mileage and when you charge.

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Rates by region

Prices include VAT. Standing charge in pence per day, rates in pence per kWh.

Region	Standing charge	Peak rate	Cheap rate
East Midlands	51.02p	36.29p	9.40p (00:30–05:30)
Eastern England	51.94p	38.39p	9.40p (00:30–05:30)
London	42.56p	38.31p	9.40p (00:30–05:30)
Merseyside and North Wales	67.01p	40.34p	9.40p (00:30–05:30)
North East England	60.97p	36.64p	9.40p (00:30–05:30)
North Scotland	55.55p	37.93p	9.40p (00:30–05:30)
North West England	45.12p	38.47p	9.40p (00:30–05:30)
South East England	52.48p	38.63p	9.40p (00:30–05:30)
South Scotland	61.71p	37.81p	9.40p (00:30–05:30)
South Wales	54.63p	38.27p	9.40p (00:30–05:30)
South West England	55.80p	38.29p	9.40p (00:30–05:30)
Southern England	47.74p	37.55p	9.40p (00:30–05:30)
West Midlands	56.89p	36.75p	9.40p (00:30–05:30)
Yorkshire	61.13p	36.94p	9.40p (00:30–05:30)

Who it suits

Drivers who can charge in the cheap window (00:30–05:30).
Any EV driver with a home charger. The supplier doesn't need to control your charging.
People who want prices fixed for a set period.

The catches

You need a smart meter.
Exit fee of £50 per fuel if you leave early.

What would it cost you?

Your yearly cost depends on your car, mileage, home use and charger. Our calculator works it out against every tariff we've checked, and shows every sum. See how we compare.