Omega Garden’s Carousel system rotates the plants around the bulb. Omega is based at Vancouver. They claim that it yields three to five times the weight of plant per watt of electricity used. If it is compared to conventional flat systems. The carousel system produces as much as a 1500 square foot greenhouse in only 150 square feet.
Omega Hydroponic Garden Claims More Yield For Less Energy. To obtain one pound of vegetables conventional way took 3.7Kwh of energy from a flourescent lamp, and now the same took only about 0.38kWh of LED lamp.
While growing a pound of basil used 3.7kWh of energy from a flourescent lamp, the same feat was accomplished by consuming just 0.38 kWh of LED lamps
There is a YouTube video too….
There is a smaller version for homeusers too called Volksgarden®.