THE SURPRISINGLY SIMPLE SOLUTIONS TO RENEWABLE ENERGY’S BIGGEST PROBLEM.

The article discusses various simple and innovative solutions to the problem of storing renewable energy. It highlights the use of gravity vaults, where heavy weights are raised and lowered in mine shafts to store and generate power. Other methods mentioned include using salt, sand, water, and hot bricks for energy storage. The article emphasizes the need for affordable and efficient energy storage solutions to address the intermittency of renewable power. While these technologies show promise, it is acknowledged that no single solution is a panacea, and a combination of different options will be needed to meet energy storage needs. [Extracted from the article]