The world's electricity prices
A live-style dashboard of what a kilowatt-hour costs across 23 countries — see who pays most, and load any of them straight into the calculator.
Instant calculators
Pick a question, type your numbers, and get the cost in dollars — not kilowatt-hours.
Whole-home estimator New
Add every appliance and get your yearly bill, where the money goes, a month-by-month chart and a solar what-if.
Appliance running cost
Any device: watts, hours and price to daily, monthly and yearly cost.
Standby / vampire power
What your always-on gadgets quietly cost you every year.
EV home charging
Cost per full charge, per 100 km and per year at home.
Heat pump vs gas
Compare a year of heating costs side by side.
Solar payback
How many years to break even on home solar panels.
LED vs halogen
Yearly savings and payback time of switching bulbs.
Find your appliance
Start typing and you get the answer right here: typical power draw, how many kilowatt-hours it uses in a year, and what that costs at your country's price. Use ↑ ↓ to move through results.
Cut your bill, not your comfort
Short, practical guides that turn these numbers into real savings — where the money goes, and the easy wins first.
Understand your bill
Decode the unit rate, standing charge and what really drives the total.
Cut standby power
Find and kill the vampire draw of devices that are "off".
Time-of-use tariffs
When cheaper off-peak hours are worth shifting your usage for.
Real formulas, shown
Every calculator explains the math it uses and the assumptions behind it. No black boxes.
Your price, your numbers
Defaults are only a starting point. Enter your own tariff and usage for figures that match your bill.
Free and private
No account, no newsletter wall, no third-party trackers following you around.