Unsure what numbers to use? The tables below provide guidance for typical UK homes and tariffs.

Typical Daily Electricity Use by Home Type

Home type Annual use Daily use
1-bed home, 1-2 people 1,950 kWh ≈ 5.3 kWh
2-3 bed house, 2-3 people 2,980 kWh ≈ 8.2 kWh
4+ bed house, 4-5 people 4,800 kWh ≈ 13.2 kWh

Typical Flat-Rate Electricity Prices

Based on Ofgem October 2025 GB average price-cap level for direct debit customers. Actual unit rates vary slightly by region and tariff.

Supplier Typical standard rate
British Gas ≈ 25.7p /kWh
EDF Energy ≈ 25.7p /kWh
E.ON Next ≈ 25.7p /kWh
ScottishPower ≈ 25.7p /kWh
Octopus Energy ≈ 26.3p /kWh

Off-Peak Smart Electricity Tariffs

Example off-peak electricty prices and windows. Payment by direct debit. Smart meter required. Values simplified for comparison.

Supplier & ToU tariff Off-peak rate* Off-peak window Notes
British Gas Electric Driver ≈ 9.0p /kWh 00:00–05:00 Daytime rate close to standard SVT.
EDF GoElectric ≈ 9.0p /kWh 00:00–05:00 EV required. 100% zero-carbon electricity.
E.ON Next Drive Fixed ≈ 7.5p /kWh 00:00–06:00 EV required. Daytime rate around 26–28p/kWh.
ScottishPower EV Saver ≈ 7.2p /kWh 00:00–05:00 EV charger required.
Octopus Go ≈ 8.5p /kWh 00:30–05:30 EV & charger required. 5 hours cheap whole-home off-peak energy.
Good Energy EV Charge ≈ 6.6p /kWh 00:00–05:00 No EV required. 100% renewable electricity.
100 Green Tide EV ≈ 9.5p /kWh 00:00–05:00 No EV required. 100% renewable electricity. High day rate.
100 Green Tide Smart ≈ 9.6p /kWh 00:00–07:00 No EV required. 7 hours off-peak. Higher day rate & peak evening rate

*Eligible EV & charger required for some tariffs, check with supplier directly for latest prices & terms.

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