Growing any plant indoors prefers better control of the growing environment, striving better quality product, reigning throughout the year with bountiful harvest. Indoor growth relies best on low budget; extrapolate small scale growth into large scale projects and minimal consideration of architectural design and utility available.
Marijuana is more suitable with hydroponic grow than soil growth. Hydroponic produces larger yield while soil is less expensive and easy. A simple indoor cannabis grow typically requires 750-850kW of power supply.