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.
More generally, sphere has long had the primary sense of a ball or a body of globular form. Heavenly spheres refers to spherical surfaces containing planetary orbits. Since the 1600's sphere has had as one of its senses The region in which something or someone is active; one's province, domain.