Strominger tracks live spot prices, finds the cheapest windows of the day, and schedules your devices automatically — so you always pay less.
Features
Built for anyone with a dynamic or spot-linked energy tariff across Europe.
See current and upcoming electricity prices updated in 15-minute intervals, pulled directly from day-ahead markets.
Strominger automatically identifies the best time windows of the day when prices dip below average — no manual searching.
Add your devices — washing machine, dishwasher, EV charger — and Strominger schedules them to run during the cheapest slots.
See how green your current electricity is with the live renewable energy generation mix for your country.
A clean glassmorphism dashboard that adapts its color to reflect the current price level — green when it's cheap, red when it's expensive.
Glance at today's price and the next cheap window right from your iPhone home screen, no need to open the app.
How it works
Set it up once, benefit every day.
Select your country and currency. Strominger fetches live day-ahead spot prices for your grid zone automatically.
Enter the devices you want to shift — name, wattage, and how long they run. That's all Strominger needs.
Strominger shows you exactly when to start each device for the cheapest possible run, with a live countdown.
Coverage
Spot price data for all major European grid zones.
FAQs
With a dynamic tariff, your electricity price changes multiple times a day based on live wholesale market prices. Strominger shows you these spot prices in real time and helps you use electricity exactly when it’s cheapest.
Electricity is typically cheapest at night between 10 pm and 6 am and on weekends when demand is lower. Prices tend to peak in the late afternoon and evening between 4 pm and 9 pm. During summer months (May–August) wholesale prices are often at their lowest. Strominger identifies these windows automatically.
Yes. Strominger automatically spots cheap time windows and helps you run appliances like your washing machine or dishwasher when prices are low.
Strominger works with any dynamic or spot-price-linked electricity tariff in supported European countries.
No. Strominger requires no registration and no direct connection to your devices. You simply get smart recommendations for the cheapest start times.
Any device with a flexible start time works well — for example washing machines, dishwashers, air conditioners, or EV chargers.
Strominger supports many European electricity markets including Germany, Austria, France, the Netherlands, Sweden, Norway and many more.