The secrets of water power have been known since the beginning of time. After all, the oceans surround our lands like volumes of intense emotions that can never be truly decoded. The oceans give us power, but their vastness can also leave us powerless. The oceans give us livelihood, but they can also contribute to our demise. The oceans gave us life, but they can also take it away. Could something so dichotomous sustain our futures for generations to come?
Tidal power is the only form of energy that is derived directly from the motions of the earth, moon, and sun. This knowledge was discovered very early on in our social history. In fact, during the Middle ages, tide mills were used in Europe and on the Atlantic coast of North America to serve as a source of power.
Tides are generated by tidal forces produced by the sun and moon, in combination with the earth’s rotations. The energy generated by this intense force can be converted into electricity and other forms of power that run our towns and cities.
Although tides are much more predictable than wind energy and solar power, there is still much resistance in the reliability of hydroelectricity. The limited availability of adequate sites and its wallet-draining personality makes it difficult to bring hydropower into the limelight.
Holding back the tide can result in silt to build up on the river bed and dams/barrages can sometimes interfere with shipping routes. Large dams can alter the flow of saltwater in and out of estuaries, which can change the hydrology and salinity of aquatic ecosystems.
On the other side of this double sword, tidal power is a clean, renewable source of energy. Also, a hydroelectric plant is expected to be in production for 75-100 years, which is a great source of livelihood for thousands of people. Once the generation station is built and ready to go, it is also surprising quite cheap to maintain.
But, whether this source is energy is beneficial or not, is up to you to decide. But keep one thing in mind: don’t be fuelish! Some things are greater than they seem. And other things are just as they seem.