If you are planning to install a Photovoltaic Solar Energy System, the first thing you need to do is figure out how much solar energy you can expect your panels to absorb, based on the average daily solar radiation for your area.
Step 1°: Calculate the Potential Solar Radiation Power
For most parts of the United States, an average of 4-5 kWh/m²/day can be achieved, though in some regions it is possible to achieve up to 8.
To find the output for your area, please refer to this map put out by the National Renewable Energy Laboratory (NREL) Resource Assessment Program. In the delineation kWh/m²/day, the kWh stands for kilowatt hour, with “m” being the area of the absorber, or in this case, the photovoltaic cell, put into square meters. Solar panels, on average, work at about 7 to 17% efficiency.
Therefore, if you live in an area with an average solar radiation of 4.5 kWh/m²/day, and you have a total surface area of 1 m² (corresponding to 1.55 squared inches) of photovoltaic cells, you can expect to generate 0.315 kWh/day (315 Watt/day) estimating an average solar panel efficiency of 7%.
Grid-tie solar panel systems produce energy, transmitting this power to your utility company’s electrical power grid. Essentially, this implies the utility company will be paying out you to generate electricity for them, because the power you have produced counts against the energy your property or company utilizes.
Your own solar power panels may generate DC (Direct Current) electrical energy. This kind of electrical energy will be run through an inverter to generate Alternating current (Alternating Current) energy. This electricity is then run into your Alternating current electrical power panel, which feeds energy to your utility companies power grid. In case your solar energy array generated sufficient electrical power, your utility meter would certainly begin to run backward!
The primary components of an Grid-Tie system are:
Residential solar panels You will need solar panels to get the solar energy and transform this to DC power. The quantity and type of solar panels will probably determine the amount of power you’ll be able to generate, as will your current geographic position.
Combiner Box This box collects each of the Solar Panel connections.
DC Breaker Box Your array’s breaker safely shuts your solar power system on the moment’s notice, permitting risk-free maintenance, repair, and inspection.
Inverter Inverters get Direct Current power and transform it to household (Alternating current) power.
Grid Disconnect A grid disconnect allows you to stop the flow of electricity between your solar power system and your electrical system. This provides for the safe maintenance of electrical and utility systems.
What’s the cost?
The price varies, however, you could estimate it with relative simplicity; all you want to know is exactly what equipment you’ll need and also the labour price.
We have reviewed the essential components you will need for your solar array: the solar panels, a GFCI, a solar array breaker, an inverter, a grid disconnect, and an recommended rail system. If you won’t want to fuss with buying all these elements separately, you may be considering purchasing a Solar Grid-Tie System.
How much to install solar water heater? Want to solar heat your water but don’t want to spend thousands of dollars to do it? Want to use solar energy for electricity but not sure how to do it? Well hopefully this can offer you some help on installation of a solar hot water heating system if your a do it yourself type.
Having thermal panels added in to the system of your solar water heating can greatly increase it’s production.
Your consumption of fossil fuel will be greatly diminished by using solar energy for electricity as well, and may even disappear altogether. Keep in mind that many energy providers and government agencies have rebate plans for people who install solar power as well. Photovoltaic panels have the potential to decrease your electric bill.
Here’s how you can install your own solar hot water system with thermal panels. After that we will look at installing photovoltaic panels for electricity.
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