The most important factor to consider when calculating your LED vs HPS grow light costs is your total cost of ownership. This analysis is looking at a common grow room configuration for an indoor cannabis facility. In our analysis, lighting a 10,000 square foot indoor cannabis flower room with LEDs actually saves growers a whopping $1,159,708 over 5 years versus HPS lighting. That’s a payback of just 1.6 years for your investment! Download the guide to learn how.