This invention relates to a solar energy collector that converts solar radiation into both electrical and thermal energy. A power gear is operably connected to a portable electric drill by a power shaft, engaging the drive gear. The disclosed grease containment systems may further include a roof curb extending upward from the roof structure and having a roof curb upper periphery, the grease collection pan being positioned on the roof curb so that the pan rim rests on the roof curb upper periphery of the roof curb.