Tidal Power – Renewable Energy Source

Renewable energy is collected from sources naturally replenished on a human timescale. These include rain, wind, sunlight, geothermal heat, tides and waves. Renewable energy covers four important areas: electricity generation, transportation, rural energy services as well as water and air heating and cooling. Some of these sources are more accessible and commonly used than others, for example solar polar.

An example of a less popular energy source is tidal power. It’s a form of hydropower, converting the energy obtained from tides. All though not as common as other renewable energy sources because of the relatively high costs, as with all the new technology developments and improvements, availability of this energy source could increase significantly. Video below explains how does the tidal power works.

Tides are more predictable than wind and sun, which makes it certain when the power can be generated, and of course the power generated by tides is renewable. One of the most important benefits is that tidal power energy source is environmentally friendly as it is a zero carbon process.

There are few notable tidal power plants. Sihwa Lake Power Station in South Korea, currently is the largest in the world. Its total power output capacity is 254 Megawatts. Second largest is the La Rance Tidal Power station in France, built in 1966 and in fact was the world’s first tidal power plant, a perfect example of how long lasting these power stations are. MeyGen Tidal energy project is currently constructing a station on a north-east coast of Scotland. It will overtake Sihwa Lake stations and become the largest in the world. MeyGen project is aiming to be fully deployed with operational tidal power station by 2021.

Lake Power Station

Sihwa Lake Power Station in South Korea

The tidal power station project in Swansea was rejected by the government last year, although new information has recently emerged. Eleven companies and organisations have indicated their interest in funding of the tidal lagoon through the private sector instead of relying on the government to pay for it. It’s been stated that it’s not simply the same project proposal from last year, but an amended one with different views and ideas from major companies. The Swansea Bay Tidal Lagoon has planning permission however they would be in need of a marine licence, which can be provided by Natural Resources Wales.

If the new project for Swansea Lagoon is given green light, addition of viewing platforms, right above the water would be a perfect for tourists and locals alike. An idea material would be composite decking. ecodek® would be a great choice given our product have already been used on multiple marine projects. As ecodek® is eco-friendly and manufacture of it is a carbon negative process, it would be a perfect match for such project.

Axe Yacht Club

Axe Yacht Club – ecodek® composite decking

All thought tidal power doesn’t produce any carbon dioxide or greenhouse gases, there is still a drawback to it. It can have a negative impact on the marine life, and it can interfere with shipping routes. That’s why it is paramount for these to be built in areas where the potential damage to marine life could be limited. Technology and development of tidal power is constantly improving, so hopefully with time, tidal power systems will be improved in a way to limit or even prevent damage to the marine life.


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