Friday, September 9, 2011

Solar Power At Night

We often feild a large number of questions from prospective clients who want to know a bit more about solar power before they ever commit to purchasing a solar power system. To of the most commonly asked questions are "how does solar power work at night?" and "can I utilize my solar power at night?".

Obviously the sun doesn't shine 24 hours a day and even when it does there are days where it's extremely overcast or the sky is covered in stormclouds. Some of the more inexpensive and hastily put together solar power systems have trouble harnessing, converting, and storing energy during these times. More modern and more efficient solar power systems however apply new technologies that allow it to store sunlight so that it can be used when it is needed most, during any of the aforementioned times.

Some solar power systems are capable of storing the sun's energy by utilizing batteries, though those tend to be bulky and expensive, while others compress air to store the energy and uncompress it when it is needed. The problem with the latter however is that only about 80% of the solar power compressed is recovered when it is uncompressed. The more efficient solar power systems these days however store the suns energy as heat rather than converted electricity or some form of compressed energy. Storing heat is far more efficient and easy than many other methods as well. This can be done by utilizing a salt storage equipped solar power unit.

If you have any questions regarding how solar power works at night or how a system you might be interested in can store energy for those times please be sure to contact us so that we may be of assistance!

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