Can Solar Power an Entire House

Use Solar Electric to Power Your Entire House

Considering the huge number of benefits of solar power, we ought to give it a closer look. The number of Americans who have opted for this source of energy today just might surprise you. You will often come across a residential area where every roof might have a solar panel installed on it. This definitely points at the popularity solar power has gained. Let's go through the great reasons why more and more people are choosing to go green today with the cheapest form of non-conventional form of energy.

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A solar panel can last for 20 to 25 years once installed and ready made ones can have a warranty period of up to 20 years. The solar electricity produced by a solar power unit in your home is silent and produces no noise pollution. In the summer when the days have a longer duration, you can save up to 90 percent of your electricity bill by using solar power. While it generally takes a few years to cross the pay-off point for your installation costs, after this period, you get to use free and uninterrupted power for a long time.

In case you produce more electricity than you can use, you can sell it to the power corporation, or store the power in solar cells and sell them locally. This can earn you considerable money.

Another unusual point to consider is the shade provided by the solar panels installed on your roof. This shade can bring down the temperature of your attic during the hot summers. When you think about so many advantages, solar energy is really a good choice to opt for.

How many rooftop solar panels do you need to install to completely disconnect from the grid?

One of the query options is related to frequent power outages, such as in a cottage or small village in the summer. The solution in this situation, I recommend you to install a solar power station, this will be a backup power source in case of power outages and will not be disconnected from the grid. As a rule, a 3 kW - 5 kW solar power station with a battery of appropriate capacity will be enough to wait for the shutdown. This solution will be optimal from the point of view of economic efficiency. Find out why next.Another variation- when the facility is off-grid or expensive or difficult to connect. And finally, the desire to be completely disconnected due to expensive freight rates, poor quality of work, etc. Here I will give an algorithm to calculate a fully autonomous solar power station. So the main components of autonomous solar power stations are solar panels, an inverter and a storage battery, which will store the energy generated by our solar panels. To correctly calculate the capacity of the battery, it is necessary to answer such questions. The first thing to understand is peak loads. For the experiment, record the meter reading and turn on all electrical appliances for one hour. After an hour has passed, record the resulting data, and then subtract the obtained results from the original data. You make the difference which will show you the peak load on the autonomous station in the future. For example, you have 5 kW/hr - this means your station will give you exactly this from its reserve at peak times. Next we calculate how much electricity you need each day, the easiest way is to take your electricity bill for the last 12 months, add the kW/hour divided by 365 days a year and multiply by 1.2 (factor correction, sometimes more energy per day sometimes less). The resulting figure is the average number of kW/hr per day, assuming it is 10 kW/hr. the easiest way is to take your electricity bill for the last 12 months, calculate the total kW/hour, divide by 365 days a year and multiply by 1.2 (correction factor, sometimes more energy consumed per year). days, sometimes less). The resulting figure is the average number of kW/hr per day, assuming it is 10 kW/hr. the easiest way is to take your electricity bill for the last 12 months, calculate the total kW/hour, divide by 365 days a year and multiply by 1.2 (correction factor, sometimes more energy consumed per year). days, sometimes less). The resulting figure is the average number of kW/hr per day, assuming it is 10 kW/hr.

Now we are calculating an autonomous solar power station.

We know that we consume 10 kWh of electricity per day, which means that the solar panels we have to install must collect that same amount of electricity every day. To get that much electricity on any day of the year, regardless of the season, we had to install a station with a capacity of 10 - 12 kW. We are profitable, because in winter there is very little sun, and even in the most snowy weather we need to get 10 kW/h. The 10 kW station is either 37 panels with a capacity of 270 W or 30 panels with a capacity of 330 W. The first value has been received, but that is not all. Now we need to choose a storage battery that can consume such an amount of electricity. If using AGM or Gel technology battery, capacity 250 amps / hour, then we need 8 devices. If you use lithium iron phosphate (LiFePO₄) batteries, you will need 4 of them. an inverter is capable of converting 5 kW DC to AC at peak power, and this is a very difficult task. An autonomous station with such parameters will cost from 17 to 25 thousand US dollars, depending on the selected equipment, the payback period will be from 12 years .

Learn more: How to make a homemade solar panel that works