Human heart shaped buoy converts wave motion into clean electricityOceans cover more than 70% of Earth’s surface, making them one of the large...
Published on by Water Network Research, Official research team of The Water Network
Oceans cover more than 70% of Earth’s surface, making them one of the largest untapped sources of renewable energy. Their potential to contribute to the clean energy transition is enormous. According to the International Energy Agency (IEA), ocean power must grow by 33% annually to help achieve net-zero emissions by 2050.
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Wave and tidal energy, in particular, are promising sources of sustainable power. The Intergovernmental Panel on Climate Change (IPCC) estimates wave energy could generate up to 29,500 terawatt-hours (TWh) per year—almost ten times Europe’s total annual electricity consumption.
Tidal energy, concentrated in narrow waterways and around islands, has an estimated global potential of 800–1,200 TWh per year. Unlike wind and solar power, tidal energy follows predictable gravitational cycles, ensuring a steady electricity supply and improved grid stability.
European countries along the Atlantic, including Spain, France, and Ireland, have the most wave energy potential. Norway, with its long coastline and remote islands, is another prime location where wave energy could reduce grid costs and improve energy independence. However, despite these advantages, ocean energy remains underdeveloped compared to wind and solar.
CorPower Ocean’s first full-scale wave energy converter is deployed off the northern coast of Portugal.
CorPower Ocean’s first full-scale wave energy converter is deployed off the northern coast of Portugal. (CREDIT: CorPower Ocean)
The Challenges of Scaling Up Wave Energy
While waves contain the highest energy density of any renewable source, converting them into electricity at a commercial scale remains a challenge. Wind and solar have demonstrated consistent cost reductions and reliability, but wave energy technology is still evolving.
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- Wave & Tidal Energy
- Wave Energy
- Wave & Tidal Energy