Gujarat’s solar panels over canals project is a great idea

Gujarat’s solar panels over canals project is a great idea
21/02/2017 , by , in ALLIED

Renewable sources of energy have always been undermined by lobbying groups and other forces but the climate change is a constant reminder for mankind to move towards cleaner sources of energy. And now, solar energy has reached a critical limit where the cost of production has gone down and the platform has been created to more adoption which will only lead to a cleaner future.

Extreme Tech reports that mainstream solar cell technologies are still based on inexpensive silicon designs and have a maximum theoretical efficiency of 34%, but the real life performance is around 22%. And as it turns out, that might be good enough to make solar power viable.

Our search to look at impactful developments in India led us to Gujarat Government’s project of putting solar panels over canals. The idea was implemented in 2012 and our visit to Gujarat suggests the project is going strong. Here are pictures from Sama Savli in Vadodara:

India has aggressive target to achieve 100 GW of installed capacity of solar PV plant by the year 2022. If all the plants are installed at one place, the land occupied shall be 1.5 times more than that of the state of Delhi. Here are some of the finer details about the project:

1.The first 1 MW Canal-top Solar Power Project was implemented on the Sanand Branch Canal of the Sardar Sarovar Project.

2.It is capable of generating 1.6 million units of clean electricity per year and 90 lakh litres of water is prevented from getting evaporated.

 

  1. The solar cells mounted on the canal top are cooler than their land-based counterparts. This resulted in the cells with an average temperature which was cooler by 10 per cent. Due to this, the energy generated by the plant was significantly higher than a groundmounted solar PV plant.
  2. In Gujarat alone, there exists a canal network of 80,000 km. As per GSECL’s (Gujarat State Electricity Corporation Limited) estimate, even if 30 per cent of this canal network is used for solar PV plant installation, it can generate up to 18,000 MW of power which will also save 90,000 acres of land.
  3. Many other canal top plants have been set up in India itself—a 10 MW plant has been replicated in the city of Vadodara in Gujarat (Picture 2), a 1 MW plant has been set up in Karnataka, and a canal top plant has also been added in Andhra Pradesh.

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