BENEFITS OF SOLAR POWER
Benefits of Solar Energy:
1. Solar energy is renewable. We never have to worry about running out of sunlight or using it all up. The sun is a consistent power source meaning it's always going to be there every day.
2. Solar energy is environmentally friendly. Compared to fossil fuels which release greenhouses gases, carcinogens and carbon dioxide, solar cells don't release anything into the air.
3. Solar panels are extremely reliable. There are no moving parts so you don't have to worry about replacing anything. In fact, most people generate electricity for 1000s of hours with little or no maintenance.
4. Solar cells make no noise while collecting energy. There are no other renewable energy sources that are completely silent.
5. In the long run, solar electricity is cheaper than buying it from the power company. There is a start up cost, but then it starts paying for itself. Once you break even, everything after that is profit. Compare this to paying a monthly bill and getting no return on investment.
6. There is a huge variety of solar panel systems available. Some can cost tens of thousands of dollars, and some cost just a couple hundred. This means anyone can get into solar, there's an entry point for just about everybody.
7. You are not required to connect to the power grid. You can be completely self-sufficient and live off the grid. Imagine never paying another monthly bill or hook-up charge for solar.
8. Sell excess electricity. If you build a large enough solar panel system, you can make your electric meter spin backwards! Most power companies will gladly buy or credit you for this excess electricity. Contact your local power companies for more details.
9. Government tax credits. Most governments will provide some kind of tax credit or incentive for people purchasing solar energy systems. On average, rebates usually cover 20-30% of the system cost. Contact your local power representatives for more details.
10. Solar technology is constantly improving. Solar installations are increasing by an incredible 50% every year.
If you are wondering how much energy will your solar power system generate, then let me show you what you must know first. I have listed below what items you need to know before you can know how much power you will have.
The solar panel (or photovoltaic component of the system) is the heart of the system. It transforms the sun's rays into useable, renewable electrical energy.
If you are wondering how much energy will your solar power system generate, then let me show you what you must know first. I have listed below what items you need to know before you can know how much power you will have.
The solar panel (or photovoltaic component of the system) is the heart of the system. It transforms the sun's rays into useable, renewable electrical energy.
The solar panel (or module) is comprised of several individual photovoltaic cells connected in series or parallel with a metallic material. The energy produced by a solar panel is influenced primarily by the number of cells within a panel and how these cells are arranged within the panel. When the cells are connected in series, the total voltage is the sum of the voltages from each individual cell. The output current in this configuration will remain the same as that produced from a single cell. When the cells are connected in parallel, the total current is the sum of the currents from the individual cells and the output voltage is the same as that produced from a single cell. Each cell in a solar panel typically produces anywhere from 2 to 5 amperes and approximately 0.5 volts (about the same amount as produced from an ordinary flashlight battery). The cells can be arranged in a module to produce a specific voltage and a specific current to meet your electrical requirements. By multiplying the output voltage (volts) by the output current (amps), one can calculate the total electricity produced (in watts). Typically, cells are arranged in a module to produce voltages in increments of 12. Hence, most modules in the marketplace are 12 volts, 24 volts, and even 36 volts. The trend is to higher voltage modules.
Like photovoltaic cells, solar panels can also be arranged to produce a specific current and voltage. By connecting solar panels in certain configurations (called a solar array), one can dictate the current and voltage of the solar array, thus dictating the electricity the system produces.
The size of your photovoltaic system will be dictated by the amount of daily energy required (loads) and the amount of energy available at your location.
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