The Grobo is extremely energy efficient due to it's size and LED design.
It consumes approximately the same power as a typical ceiling fan, which is around $5 per month. Please be advised, however, this can change based on your location's rates.
Here's a testament of some of our growers:
One of our customers (@TheWarden on AllGrowers.com) even did power testing, confirming the low energy usage of the Grobo:
Still have questions? Please see HERE for how to contact us.