Wavegen Limited (later Voith Hydro Wavegen Limited) was a wave energy company based in Inverness, Scotland. It was founded in 1990 by Allan Thomson. It was sold to Voith Hydro in 2005, and they closed the company in 2013.
In 2000, Wavegen became the first company in the world to connect a commercial scale wave energy device (LIMPET) to the grid on the Scottish island of Islay. The LIMPET (Land Installed Marine Powered Energy Transformer) is a shoreline device which produces power from an oscillating water column.