Is electricity cheap at night with a dynamic contract?

Not always. The market price is often lower at night than in the early evening, but every kWh carries energy tax, VAT and the supplier's mark-up. Electricity is often cheapest on sunny afternoons in spring and summer.

The low prices you see in apps are often the bare market price. Per kWh you pay that market price with VAT, plus the supplier's purchase mark-up and the energy tax. Those fixed parts are the same every hour, so the difference between cheap and expensive hours is smaller in percentage terms than the market price suggests.

When is electricity cheap?

When there is a lot of sun or wind and little demand. On sunny afternoons the market price is often low, sometimes negative. At night it is usually lower than at the evening peak, but not always low; in winter the night can be more expensive than a sunny afternoon in summer.

Charging with a battery or car

A battery or electric car that charges at cheap hours earns the difference with the expensive hours, minus the loss from charging and discharging. The calculator uses the real hourly prices of the past year, so you can see what that difference is worth to you.

Calculate what a dynamic contract costs you

An estimate, not personal advice. How the calculator works: How does this calculator work?

Is electricity cheap at night with a dynamic contract?

When is electricity cheap?

Charging with a battery or car

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