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FAQ

when we say a solar panel has 20% efficiency, do we mean that it converts 20% of sunlight reaching it into electricity or that it converts 20% of visible light(which is only 7% of sunlight) into electricity?
Photo-voltaic solar cells use the visible light range (photons) for the conversion of sun's rays to electrical energy. The potential of solar radiation is ,353 Watts per square meter, but that is mostly a measure of heat, or infrared radiation. The visible light is actually a small portion of the spectrum. You have struck on a problem associated with photo-voltaic cells. Infrared radiation acts to heat up p-v cells (heat stress), causing them to be much less efficient. It would be interesting to see a hybrid p-v panel that is cooled with fluid or air running through it. This would increase efficiency of the p-v process while providing a heating source. This in turn could be used directly for heating or for production of electricity through a generator system.
Yes, solar panels can be used in areas with high levels of drought. Solar panels do not require water to generate electricity, as they rely on sunlight to produce energy. Therefore, they can be effectively utilized in regions experiencing drought conditions without any significant impact on their performance or efficiency.
Are there solar panel systems that I can plug directly into my house to help reduce my electricity bill? If so, are they very expensive? Any help would be greatly appreciated!
I wish it was that easy! Maybe it will be soon. But at this time, no, there isn't. And if you have a solar collection system, you have to have a way to store the energy when you're producing more than what you are currently using. That usually involves an expensive battery array. But it's necessary. The power coming directly from the solar panels will be erratic and sending it to the battery array for storage and then use allows for the home to draw a consistent level of power. And this battery system also allows for storage of electricity for use when the sun isn't shining like at night. The system should be set up to use your power first, then go to the grid. It should also allow for distribution to the grid when your system has stored all the power it can and that's when your meter will run backwards and the power company will be paying you! There are a lot of federal and state income tax rebates for alternative energy installation costs. Check out what Oregon might toss into the package along with the Feds and see where you might come out.
When people buy small solar panels, what are the steps to making it actually charge or run something.. I'm completely new to this of course and im curious. what kinda of wire and other devices are needed and how do you attach the wire and everything..
The Earth4Energy kit is the best system for people who are looking to save money on their home energy bill and want to build a energy generator at home .There is no other kit out there in the market like Earth4Energy that explains clearly with manuals or even includes videos. The Earth4Energy kit is available online for purchase. Many people can now have access to alternative solar and wind energy. and u will find step by step instructions
Yes, solar panels can be installed on a warehouse or distribution center. In fact, these large, flat-roofed buildings are ideal for solar panel installations because they offer ample space and can generate a significant amount of renewable energy. Installing solar panels on warehouses or distribution centers can help reduce electricity costs, decrease carbon emissions, and contribute to a more sustainable energy system.
During a power outage, solar panels do not generate electricity as they rely on the grid for their functioning. This is because most solar panel systems are grid-tied, meaning they are designed to feed excess power back into the grid and draw power from the grid when needed. However, some off-grid solar systems equipped with battery storage can continue to operate during a power outage, providing electricity to the connected devices or storing excess energy for later use.
Why might energy from the solar panels sometimes be near zero even in the summer?
Solar photovoltaic panels are highly inefficient to begin with. There are a few possible reasons why it does not produce energy even in the summer . Wrong inverter is used 2. The angle of installation (azimuth and tilt) is not optimum to capture the sun Solar photovoltaic panels are expensive and inefficient, and will not survive in the long run.
Yes, solar panels can be installed on a residential community or housing development. In fact, it is becoming increasingly common for homeowners and developers to integrate solar panels into these settings to generate clean and sustainable energy for the community. Installing solar panels on rooftops or open spaces within the development can help reduce reliance on grid electricity, lower energy costs, and contribute to a greener environment.