In St. Louis, Arizona, a groundbreaking energy project is set to take shape: a power generation tower developed by Solar Wind Energy Tower, combining solar and wind technologies to produce clean energy using only sunlight, water, and natural wind gradients. This innovative system can generate electricity around the clock, all year long, helping to address the current limitations of traditional solar and wind power plants.
Located in a hot and arid region, the tower features a hollow cylindrical structure that is open at the top, allowing warm, dry air to enter. A water spray system is installed nearby, pumping water up and spraying it into the open area at the tower’s peak. As the water evaporates upon contact with the dry air, the surrounding air cools rapidly, increasing its density and creating a powerful vertical airflow that can reach speeds of up to 50 mph.
This strong airflow is directed into multiple wind tunnels located around the base of the tower. Inside each tunnel, wind turbines are installed to convert the kinetic energy into electricity. Each tunnel has its own dedicated generator room equipped with large-scale generators and a specialized drive system. Because the evaporation process occurs even on cloudy or nighttime hours, the tower can consistently produce clean electricity throughout the day and night.
One of the key advantages of this new energy system is that the wind it uses is naturally generated by solar heat, making it ideal for regions with weak or inconsistent wind patterns. In areas with strong winds, vertical guide vanes can be added to the tower’s surface to help capture and direct the wind more effectively, maximizing the amount of electricity generated. These combined strategies enhance the reliability and efficiency of renewable energy production.
The tower is expected to have an hourly capacity of 1,250 megawatt-hours. With a capacity factor of 0.6, the actual output would be about 750 megawatt-hours per hour. Approximately 18.5% of this energy will be used for internal operations, such as pumping water to the top of the tower. The remaining 600 MWh can then be supplied to the local power grid. However, due to lower efficiency during winter months, the annual average output may be slightly reduced.
According to a report from the Physicist Organization Network on May 5, this solar wind tower is now the first approved project in the U.S., planned for a 600-acre site near St. Louis, Mexico. It is scheduled to become operational by 2018, serving as a vital public facility and substation. The city will supply the necessary water for the tower, and a long-term commercial contract of at least 50 years has already been signed. This project marks a significant step forward in sustainable energy development and could serve as a model for future clean energy solutions worldwide.
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