By Shading Irrigation Canals with Solar Panels California Could Generate 13GW of Power

By: | February 22nd, 2022

Although solar energy is one of the fastest-growing renewable energy, it is also facing many challenges. One of the biggest challenges is that Solar Plants require considerable space that could be used for other purposes. The land used for solar plants is usually flat, large, and with a lot of access to the sun, which is also ideal for crops. 

Now a new project that plans to cover irrigation canals with solar panels has been started in Central California. The Turlock Irrigation District (TID) in California has taken this step to put solar panels on its open water canals. TID has announced Project Nexus, which plans to cover two canal segments for the time being. 

According to the estimates by a study, covering all of California’s canals with solar panels would result in 4,000 miles of solar coverage. These panels will help in the annual saving of up to 63 billion gallons of water, and the generation of 13 GW of solar energy. 

Water and electricity utility Turlock Irrigation District (TID) got a grant of $20 million from the state for this project. 

Apart from just power generation, Project Nexus will also provide unique advantages:

  • It won’t take up land that could be used for other purposes.
  • It would be easy to install and decommission as no fixed structures are used.
  • Partial water coverage improves water quality and reduces evaporation.
  • The water body below the panels offers a natural cooling effect.
  • Vertical Sun tracking is easier to achieve without wasting too much energy.
  • Problems like algal blooms are minimized in basins where floating panels are deployed.

TID Board President Michael Frantz said, “In our 135-year history, we’ve always pursued innovative projects that benefit TID water and power customers. As the first public irrigation district in California, we aren’t afraid to chart a new path with pilot projects that have the potential to meet our water and energy sustainability goals.”

Nidhi Goyal

Nidhi is a gold medalist Post Graduate in Atmospheric and Oceanic Sciences.

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