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  great circle-Any circle on the surface of a sphere that lies on a plane through its center, or a circle that divides into two equal partsâas the Equator.