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Step 1: Find out how much electricity you use on average each month
You might use different amounts of electricity in different months. Take a look at your utility bills for the last year, and figure out how much electricity you used on average (measured in kWh) during that time.
You can also get an idea of how much electricity you use per day by dividing your monthly usage by 30 (which is the average number of days in a month).
Step 2: Calculate how many solar panels will need
A regular 400W solar panel produces about 1.6 kWh.
Based on what you found using the solar panel calculator above, you can get an approximate quantity for all the solar panels you need.
Step 3: Consider the expenses of installation
Thanks to tax credits from the government and higher demand, the cost of installing solar panels is getting lower, making it more affordable to choose environmentally friendly options. Over the last ten years, installation costs have dropped by more than 70%, according to the Solar Energy Industries Association.
Considering the size of the solar system, you can expect to pay about $6,000 or more for the solar panels and necessary components. Then you'll need to add the costs of hiring a solar panel installer, which can range from $4,000 to $8,000, depending on the professional you choose. Ultimately, the total cost for purchasing and setting up a solar panel system could be anywhere from $8,000 to $15,000 or higher.
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