Adding a residential solar panel system to your home has a lot of benefits which a lot of people are already taking advantage of annually. Installing solar panels in your home requires an investment at first, however, in the long run, it will save you thousands of dollars in utility bills. Furthermore, solar panel installation is a huge selling factor, thus increasing the value of your property should you decide to sell.
To determine the number of solar panels to be needed for your home, you need to know and understand what your objectives are. Do you want to reduce your carbon footprint? Do you intend to save money on utility bills via solar panel installation? Do you want to get the most out of your return on investment? A lot of people want to save money and at the same time, minimize the impact to their environment.
To calculate and figure out the number of solar panels that you need, you need to know the following: How many kilowatts does your household consume? Do you get enough sunlight in your vicinity? What are your goals? The type of panel you want? Now do the math.
1. The level of sunlight in your area
The level of sunlight you get in your area and its duration will have a huge impact on the amount of energy you can expect your solar panels to generate and the amount of money you are going to save from using solar energy. If you reside in an area that is very sunny during the day, such as Calgary, Alberta you don’t need to acquire as many solar panels, compared to folks that stay in rainy and cloudy environments; they are the ones who need to get more panels to generate power. To understand the amount of sunlight in your area, get in touch with a professional solar panel installer to throw more light on the level of sunlight expected in your area.
2. Understanding the term KWh (Kilowatt-hours) and its usage
KWh or Kilowatt-hour is simply the way energy is measured, it is the measurement of the amount of energy used by your household at any given time, thus multiplied by the number of times it’s being used. To know the number of solar panels that you need, you need to discover what your personal average amount is.
To do this, get all your electric bills for the last 12 months, in the electric bills, you will see clearly how many kWh you used in a month to month basis. Next step, add the total kWh usage of each month and divide what you get by 12. The result is going to be your average kWh usage. And lastly, divide the average kWh usage by 30 to get your daily average.
3. What is your solar goal
Now that you understand that more sunlight equals to less solar panel usage and you also know your daily kWh average, what is left for you to decide is the amount of energy you want your solar panel to generate. Bear in mind that your solar system might not perform at 100% all the time so you need to cut it some slack. Try to understand that the higher the percentage you want your solar system to function, the more solar panels you will need to get.
4. Type of residential solar panels systems to acquire
There are various types of solar panels, and they all come with their differences which have an effect on their performance. There is the PV solar panel which is mostly found in residential homes, it is also measured in wattages. There are various types of PV solar panels and they include; the polycrystalline silicon, thin-film solar panels and the monocrystalline solar panels. Each of these panels has a different price point, performance level and durability.
The Monocrystalline silicon panels are costly, but they are very effective. They perform efficiently and happen to be one of the top-rated PV solar panels obtainable anywhere. This Monocrystalline silicon panels also have the longest life expectancy.
In comparison to the Monocrystalline silicon panels, the Polycrystalline silicon panels are cheaper and not as effective as the former. The thin-film solar panels, on the other hand, are suitable for folks who require less power and have a low budget, though the downside is that it can occupy a lot of space.
5. Add up the numbers
What is your daily sunshine average…check
Do you know the type of solar panel you want…check
Do you know what you want to achieve…check
The next step is to figure out the number of solar panels that you need. Start by multiplying your target performance goal by your daily average.
For instance, let’s say your daily average is 40kWh and what you want is 75% performance, your equation will be:
40 x .75 = 30
Next on the agenda is to determine the amount of kWh your panels will generate. If one panel generates 1kWh, what it means is that you will require 30 panels to meet your needs.
Bear in mind that we are just calculating based on assumptions, get in touch with a professional solar panel installer to get an exact estimate to enable you to make one of the best decisions you could ever make.