What are Solar Power Satellites?

Answer Solar power satellites are a hypothetical future technology that could provide abundant free energy to the people of Earth. The concept involves placing large (50-100 km2) solar panels in high ear... Read More »

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What Is a PTC Solar Power Rating?

A PVUSA Test Calculation rating is applied to photovoltaic solar systems to measure the energy output of a solar powered system. Unlike other systems, such as the STC rating system, the PTC rating ... Read More »

What Are the Disadvantages of Solar Power?

Despite its promise as a clean energy source, there a number of disadvantages of solar power that have prevented it from becoming widely used. Solar power isn't always as reliable as other forms o... Read More »

What is Concentrated Solar Power?

Concentrated solar power, also called solar thermal, is a means of gathering solar energy distinct from the use of photovoltaic (PV) panels. Instead of directly converting solar energy to electric... Read More »

What Are Some Drawbacks to Solar Power?

When discussing solar power, it should be noted that there are two fundamental methods of harnessing the sun's energy. Through either passive or active means, rays from the sun can be used in a var... Read More »