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Agucadoura Wave Farm in Portugal. The following page lists most power stations that run on wave power, however there are not many operational at present as wave energy is still a nascent technology. A longer list of proposed and prototype wave power devices is given on List of wave power projects.
The potential energy density is equal to the kinetic energy, [1] both contributing half to the wave energy density E, as can be expected from the equipartition theorem. The waves propagate on the surface, where crests travel with the phase velocity while the energy is transported horizontally with the group velocity .
Pelamis was an attenuating wave energy converter. The machine responded to the curvature of the waves (their shape) rather than the wave height. As waves can only reach a certain curvature before naturally breaking, this limits the range of motion through which the machine must move but maintains large motion at the joints in small waves.
The Cycloidal Wave Energy Converter is a wave energy concept being developed by Atargis Energy Corporation in Colorado. The patents were filed in 2005, and the company was founded in 2010, after initial research showed potential. [67] It is a fully submerged wave termination device, located offshore, with a direct drive generator.
Talen announced on October 23, 2015, that the C.P. Crane plant would be sold in early 2016 to an affiliate of Avenue Capital Group as one of its divestitures to fulfill the FERC order. [7] The sale was completed on February 16, 2016, [8] at which time the plant began operating as C.P. Crane, LLC.
The Department of Energy announced a $22 million grant to fund wave energy research by private companies and universities in January 2022. [3] Academic institutions conducting wave energy research include Portland State University, the University of Washington, and the O.H. Hinsdale Wave Research Laboratory at Oregon State University. [3] [4]
Islay LIMPET (Land Installed Marine Power Energy Transmitter) was the world's first commercial wave power device and was connected to the United Kingdom's National Grid, in November 2000. [2] The device was initially rated at 500 kW, but this was later downrated to 250 kW. The device was eventually decommissioned in 2012.
The PTO system is the second main component of an OWC device. It converts the pneumatic power into a desired energy source (i.e. sound or electricity). The PTO system design is very important to the efficiency of the oscillating water column. It must be able to convert airflow going both out of and into the collecting chamber into energy.