October 2026
UK energy saving guides
Guides for the products on the homepage, plus yearly charging costs for 100+ popular UK electric cars. Costs use Ofgem’s October–December 2026 electricity average of 26.32p/kWh and Intelligent Octopus Go from about 6p to 7.6p/kWh. Assumptions are written in the guide. Shop prices are not.
Best products for off-peak energy savings
Six products at 7.6p and 26.32p: dehumidifier, two heated airers, smart plugs, a 768Wh power station and an air fryer.
LaundryDrying clothes cheaply in a UK winter
A 198W heated airer, a 1.4 kWh heat-pump assumption, and a six-hour dehumidifier session, at 7.6p and at 26.32p.
LaundryIs a heat-pump tumble dryer worth it?
Per-cycle and per-year electricity on stated assumptions, plus Which?’s published annual averages. No payback month.
LaundryUsing a dehumidifier to dry laundry
What a six-hour laundry mode costs, and why the calculator’s 0.8 kWh figure is a separate round number.
Smart plugsSmart plugs that show watts and shift off-peak
18.7p saved per kilowatt-hour moved from 26.32p to 7.6p, and which loads belong on a timer.
Electric vehiclesHome EV charging on Intelligent Octopus Go
8,000 miles at 4.0 mi/kWh: £152 off-peak against £526 at the cap, and Octopus’s 54p public average.
Electric vehiclesEV charging costs by car
100+ popular UK models at 8,000 miles. Pick a car, or compare the full table. Off-peak is shown from 6p to 7.6p.
HeatingSmart thermostat schedules and UK heating bills
Gas at 7.97p/kWh, what a 2017 UK Nest study measured, and how to read a percentage as units.