Solar Events

Solar Towers

A solar tower captures solar energy using the same principle by which a chimney produces an updraft when there is a fire at the base.

The heat source is the radiation from the sun, heating the air trapped beneath a wide, flat low roof (or “skirt”). A tall central chimney (the “tower”) developes the updraft, which must pass through turbines surrounding the chimney base and thus generate electricity.

If there is sufficient spare solar energy during the day, the tower can continue to generate at night, the air in the skirt being heated by passing over material hot from absorption during the daytime.

The main proponent of this technology is EnviroMission, who learned much from operating a 620ft tower in Spain for a seven year trial period.

EnviroMission’s published plans are for a 3100ft, 200MW solar tower , which is depicted in the video here. The size is now being scaled down as a result of further computer simulation.

The first commercial installation should be completed in Australia in 2009, with 50MW capacity.

It is intended that the solar tower power plant can serve as a primary energy supplier, capable of meeting peak load demands during the morning and evening, and at a price comparable to conventional energy generation.

Learn more about Solar towers, and EnviroMission.

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