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The Average Cost of Solar Panels

The Average Cost of Solar Panels

The question we all want to know, how much will solar panels on my home cost?

First off, what do we need to know about solar panels? How much power they can produce is important. What is also important is how much power does your home or office need?

Let’s define a couple terms first. The difference between power and energy.
Power is commonly referred to as the “watt” in solar terms. If you have a 100 watt light bulb, when you switch that light on it is going to emit 100 watts at all times. Which leads us into energy.
Energy, the transfer of power over a given time. Have you ever heard the term kwH (kilowatt hour)? Of course you have, and you’ve likely said, well how does my kilowatt hour and my solar panel power capacity correlate? It’s not exactly straight forward. I’ll explain why…

Your electric company will provide you your energy usage (kwH) per month usually. This could be say 900 kwH. Remember, whenever you see that H (hour), this is power over time = energy. So how does 900 kwH tell me how many kw needed for solar panel system you may need to cover 100% of your energy needs. The answer, it doesn’t really.

Let’s get back to the 100 watt light bulb. If you left that light bulb on 24 hours per day that would be 2.4 kwH per day, or 72 kwH per month. Now, 900 kwH is the US average home energy use, so there are 2 points to this comparison. One, turn off your lights when you aren’t using them! Two, if you add up everything in your home that uses electrical power, that would be the size system you would need. There is a very good chance you will need a 10 kw system, or 15 kw system. Just so you know, the average system purchased in the US for residential use is 5 kw.

Back to the point of this article. How much will it cost?
The cost for solar panels is quoted by the “watt”. In 2017 the average per watt install price is between $2.87 and $3.85 per watt. For your information, this price has dropped each year and is 9% lower then in 2016.

So now you have a better understanding of how to size a solar panel system. Do you want to cover 30% of electricity needs, 50%, etc.? Please make sure to check out your state incentives on this site and remember, 30% federal tax credit goes down in 2019 and by 2023 this incentive is gone! Now is the time to get your solar panel estimates.

To see your sun hours and receive a free quote please visit our map.

Posted in About Solar Energy, Solar Power PanelComments Off

What A Solar Power Panel Is And Where You Can Find One

What A Solar Power Panel Is And Where You Can Find One

What Is A Solar Power Panel?

A solar power panel is a semiconductor device which converts photons from the sun into electricity. A solar power panel has many applications and uses, and is considered as being particularly used in situations where electrical power from a grid is unavailable, and they are often electrically connected and encapsulated as a module, thereby termed as a photovoltaic array or solar power panel.

A solar power panel uses semiconductors which are made from silicon, and the generating of useable electrical energy that a solar power panel creates is considered to be the photovoltaic effect.

What Is The Photovoltaic Effect?

The photovoltaic effect consists basically of the fulfilling of two functions: photogeneration of charge carriers in a light-absorbing material, and separation of the charge carriers to a conductive contact that will transmit the electricity. It is actually the conversion of this which is titled the photovoltaic effect. In other words, the photovoltaic effect is the basic physical process through which a solar cell coverts sunlight into electricity; the energy of a photon is transferred to an electron in an atom of the semiconductor device.

A photovoltaic cell is principally made from doped silicon, and when a cell such as this is exposed to the sun’s electromagnetic rays, the photons in light transmit their energy to atoms in the connection. Basically, the photovoltaic effect is the phenomenon in which the incidence of light or other electromagnetic radiation upon the junction of two dissimilar materials, as a metal and a semiconductor, induces the generation of an electromotive force.

Where To Find A Solar Panel

There are many different locations that offer solar panels for the public to purchase, and if you are going to buy solar panels, you should remember to compare them by dollars per watt. Used solar panels are the best idea, and can be considered as bargains in several different ways. However, used solar panels produce less power per square foot than do new panels. As well, a modern solar panel might produce twice as much power as an old one of the exact same size; however it will also cost you about twice as much.

Solar panels are obviously essential to the process of solar power, and are an incredibly important matter to thoroughly understand if you are hoping to actually learn anything about the solar power process.

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