TerraForm Power, Inc. operates clean power generation assets such as solar, wind, natural gas, geothermal and hydro-electricity. The Company also operates hybrid power generation assets.
Definition of a Sphere A sphere is a geometrical figure that is perfectly round, 3-dimensional and circular - like a ball. Geometrically, a sphere is defined as the set of all points equidistant from a single point in space.
sphere. 1  Geometry. a solid geometric figure generated by the revolution of a semicircle about its diameter; a round body whose surface is at all points equidistant from the center. 2  any rounded body approximately of this form; a globular mass, shell, etc. 3  Astronomy. a planet or star; heavenly body.