Swansea Bay put forward by Tidal Lagoon Swansea Bay Ltd. for a tidal lagoon to be constructed. The tidal lagoon would be sited just south of the Queen's Dock between River Tawe and River Neath estuaries. This project is controversial, partly due to the amount of subsidy required to make the project viable and also because of the potential damage to an AONB and MCZ in Cornwall where Tidal Lagoon Swansea Bay seek to re-open a disused quarry at Dean Point from which to source the rock for the lagoon. In addition to tidal power, construction of an offshore windfarm in the
Swansea Canal culvert through large metal grids. There was a short tramway from below the lock to Ynys-penllwch Graig-ola Colliery. Mond Lock was next, with the B4603 crossing the tail of the lock. Below the bridge is the Mond Nickel Works, set up in 1900 after the chemist Dr Ludwig Mond discovered a process for producing pure nickel. Nickel ore was imported from Canada, and the site was chosen because there were supplies of anthracite coal, water, transport links to Swansea, and an available labour force. The canal crosses the Lower Clydach River on an aqueduct, which discharges water into the river,