Know what your grow uses.
A simple electricity estimate for lights, fans and other equipment. Your inputs set the assumptions.
Enter your electricity rate and each device’s power below. Saving, copying and printing turn on once the estimate is complete.
Saved setups stay on this browser. Shared links include equipment names, schedule and tariff.
Your equipment, your schedule.
Add up to eight devices. Use their power ratings and the usage rate from your electricity bill. Hours and quantities can differ for each device.
In NZD cents. Include tax if your bill’s rate includes it.
Estimate period
1 of 8 devices
New Zealand · NZD
Estimated running cost
Enter each device’s power rating and your electricity rate to see the total.
Assumes constant power while each device runs, using one electricity tariff. Actual draw, schedules and tariffs vary. Excludes daily supply charges and equipment you haven’t added.