WAVE ENERGY TECHNOLOGIES
Last updated: October 2020
Author: Dernis Mediavilla
Organization: Marine Energy Research and Innovation Center, Chile
Wave energy is referred to the energy transported by wind waves, which power can be extracted and converted into electricity or pressurized water. Wave power comes from the up-down movement of the water (potential energy) or the water movement beneath them (kinetic energy). Wave energy is always present in any water body, being a promising source of clean energy anywhere in the globe: waves are ubiquitous and present 24/7 all year-round. Global wave energy potential is estimated on 2.11TW, with 427GW available at North and Central America coasts, and 374GW in South America coastlines (Gunn & Stock-Williams, 2012).
Today, wave energy converter technologies (WECs) are at different development stages, having a vast range of concepts and formats, as well as energy capture and generation possibilities. It is worth mentioning that these devices must operate under a wide range of environmental conditions, including natural hazards like storms and tsunami, and therefore survivability is one of their main challenges, in which understanding local conditions plays a significant role. The Ocean Energy Systems, international working group part of the International Energy Agency, suggests a technological classification for WECs: attenuators, overtopping, oscillating water column, oscillating wave surge converters, point absorbers, and other concepts . Depending on the scale and functionality, WECs could potentially deliver energy to an electrical network, or otherwise be the source of clean energy and/or freshwater at open ocean, triggering and supporting community and industrial development where these resources are scarce.
Research Institutes in Pan-America
- Energía Marina SpA y MERIC, Chile
- Offshore Renewable Energy Group (GERO), Federal University of Rio de Janeiro, Brazil
- Pacific Regional Institute for Marine Energy Discovery, Canada
- Fundy Energy Research Network, Canada
- Instituto Tecnológico de Costa Rica, Costa Rica
- Universidad Autónoma de México, Mexico
- Centro de Investigación Científica y de Educación Superior de Ensenada, México
- National Renewable Energy Laboratory, USA
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 Gunn, K., & Stock-Williams, C. (2012). Quantifying the global wave power resource. Renewable Energy, 44, 296-304.
 Ocean Energy Systems (2017), OES Vision for International Deployment of Ocean Energy, https://www.ocean-energy-systems.org/documents/24845-oes-vision-2017.pdf/