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Solar balloon is an array of helium filled platform constructed from a new fabric coated with photovoltaic solar cells. Solar balloon is composed of a control panel, a helium supply cable, and a power cable. An array of collecting balloons could be a new way to capture solar energy. This system offers users the opportunity to not cover a huge parcel of land. And the system can be easily expanded. Solar balloon is also very cheap. Its cost is $ 4,000 per balloon.