PowerNEST provides decentralized, all-year available hybrid power, making use of both wind and solar energy in the limited roof space of medium to high-rise buildings. Its innovative features capture and accelerate the wind flow resulting in 4 times higher annual wind energy output and generate most possible solar energy by optimizing roof space, using the wind to cool the panels and enabling additional output from bi-facial panels. It fits roofs of any size and can be customized to blend with a diverse range of architectural styles, creating more value as a unique and outstanding solution.