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Home Battery Savings in North Wales & Merseyside

On Octopus Go in North Wales & Merseyside, you pay 9.5p/kWh overnight and 35.73p during the day. An 11.5kWh battery charges at the cheap rate and saves you £991/year.

TL;DR

Octopus Go in North Wales & Merseyside charges 9.5p/kWh overnight (00:30–05:30) and 35.73p during the day. An 11.5kWh Habo Energy battery charges overnight and powers your home during the day, avoiding the 35.73p daytime rate. That’s a saving of 26.2p on every stored kWh, or approximately £991/year.

Octopus Go rates in North Wales & Merseyside

North Wales & Merseyside: 35.73p daytime / 9.5p overnight

On the current Octopus Go 12-month fixed tariff (GO-FIX-12M-26-03-23), households in North Wales & Merseyside pay 35.73p/kWh during the day and 9.5p/kWh overnight (00:30–05:30), with a standing charge of 68.0p/day. The off-peak rate is the same across all regions; the daytime rate varies.

For comparison, the standard variable tariff in North Wales & Merseyside is 26.19p/kWh (Ofgem cap, Q2 2026) – a flat rate with no cheap overnight window.

This covers postcodes: CH, CW, L, LL, WA – including Liverpool, Chester, Wrexham, Bangor, Llandudno. Your distribution network operator is SP Energy Networks.

About North Wales & Merseyside

This region spans dense urban Merseyside to rural and coastal North Wales, with many off-gas-grid properties in rural areas having higher electricity dependence. North Wales has substantial onshore wind generation, while Merseyside’s urban homes benefit from tariff arbitrage on time-of-use pricing.

According to MCS data, at least 3,742 certified home battery installations have been completed in the North Wales & Merseyside region since September 2023 – part of a nationwide surge in domestic battery uptake.

Your savings with an 11.5kWh battery

The battery charges overnight at 9.5p and powers your home during the day, avoiding the 35.73p daytime rate. The saving is the difference between those rates, multiplied by how much energy the battery delivers each cycle.

9.5p
Octopus Go
overnight rate
35.73p
Octopus Go
daytime rate (North Wales & Merseyside)
26.2p
Saved per kWh
on stored energy
£991
Estimated annual saving
(11.5kWh battery)
The calculation (Octopus Go rates for North Wales & Merseyside, April 2026)
11.5kWh × 90% round-trip efficiency = 10.35kWh usable per cycle
(35.73p daytime − 9.5p overnight) × 10.35kWh = 271p saved per day
271p × 365 days = £991/year

Rates from the Octopus Energy API (product GO-FIX-12M-26-03-23, April 2026). Assumes one full battery cycle per day. Actual savings depend on your usage patterns.

How North Wales & Merseyside compares

The Octopus Go off-peak rate (9.5p) is the same everywhere, but the daytime rate varies by region – so regions with higher daytime rates see bigger savings.

RegionGo daytime rateSpreadAnnual saving
South Wales31.67p22.2p£838
West Midlands32.02p22.5p£851
East Midlands32.32p22.8p£862
Northern England32.36p22.9p£864
London32.64p23.1p£874
South West England33.15p23.6p£893
Northern Scotland33.72p24.2p£915
North West England33.75p24.2p£916
South East England33.87p24.4p£921
Eastern England34.32p24.8p£938
Southern England34.42p24.9p£941
Yorkshire34.49p25.0p£944
Southern Scotland34.54p25.0p£946
North Wales & Merseyside35.73p26.2p£991

What Habo Energy offers

One 11.5kWh battery. Everything included – inverter, cables, mounting kit, and MCS certified installation. Pre-configured for UK time-of-use tariffs. If you’d prefer to use your own electrician, that’s fine too.

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