April 8, 2024
By Seungwoo Song
A remarkable project in Milan Energy Dome operates an energy storage demonstration plant to help solve imbalances in the local electronic market. Claudio Spadacini, the chief executive stated, "They don't use electricity, but there's plenty of supply," referring to the plenty of sunlight on the Italian island.
The Energy Dome uses carbon dioxide in the giant balloon, the dome on behalf of the company, as a battery. During the day, local grid electricity, some of which is generated by the nearby solar field, is used to compress carbon dioxide into liquid. At night, liquid carbon dioxide is expanded back into the gas, which drives turbines and generates electricity, which is then sent back to the grid.
Sun power and wind power are renewable energy sources that are rapidly growing across the world, but they intermittently depend on natural energy generation systems due to unstable weather. Many researchers and politicians say that storing such energy for hours or even days when it is needed is essential to transfer the fossil fuel-relying economy to an environmental state.
Milan Energy is developing and marketing a variety of creative ways to store renewable energy: liquefied carbon dioxide, rust-free iron, and a sand-filled heating tower that can almost melt aluminum. However, predicting our future energy storage is needed before a massive energy transition is a frightening prospect, in an unclear circumstance as to which of these approaches, if any, will prove effective and profitable.
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