Smeaton's Tower stood were becoming eroded. Each time a large wave hit, the lighthouse shook from side to side. Smeaton's Tower ceased operation in 1879 with the illumination of Douglass's Tower on an adjacent rock. In 1882 the upper part of Smeaton's Tower was dismantled and rebuilt as a memorial to Smeaton on a new base on Plymouth Hoe, replacing the triangular obelisk that had been built there by Trinity House as a navigation aid in the early 19th century. It was opened to the public by the Mayor of Plymouth on 24 September 1884. The foundation and stub of the old
Lighthouse Tower three large 225 kW wind turbines, 29 meters in diameter, on the building's south facing side in order to generate electricity. These turbines will have the freedom to yaw, in order to maximize power generation. It will also be clad in 4,000 solar panels to generate additional electricity. The tower will also reduce its overall energy consumption by 65%, and its water consumption by 40% in comparison to an equivalent building. At the building's base, a four story glass lobby will house an environmental visitor center. It was designed by the Atkins group. Lighthouse Tower The Lighthouse Tower is a