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Solar Panel Calculator

Estimate How Many Solar Panels Your Home Solar Power System Will Need

Solar Panel Calculator report cover The Solar Panel Calculator is a free 16-page report featuring a special formula you can use to estimate how many solar panels your solar power system will need to deliver the electricity wanted. The answer is easy to calculate, and it will help you when deciding whether to go solar.

Keep in mind that each solar power system has its own site-specific requirements, so there are many variables to consider, and there's no one-size-fits-all answer. However, your calculation will provide you with a useful ball park number for solar project planning and budgeting purposes.

Before using the formula, you'll need to determine how much electricity your household currently uses or plans to use daily. You can take the easy route by reviewing your electric bills for the past 12 months and totaling the kilowatts your household used.

Another way is to take a complete inventory of all your household electrical appliances, tools, equipment, and lighting, writing down the wattage requirements for each item. Then, multiply the wattage of each item by the hours it's used to obtain a total of the electricity needed.

(The Energy Savers website of the U.S. Department of Energy shows how to discover the wattage requirements for your various electrical appliances.)

The inventory method IS time-consuming, but it does provide you with a useful knowledge of how your electricity is consumed. By replacing old, energy-wasting appliances with modern, Energy Star® appliances, and by turning off lights and eliminating wasteful energy usage, you can reduce your electricity needs and thereby reduce the size of your planned solar power system.

The less energy consumed the less solar energy needed. By plugging your average daily kilowatts of electricity used into the solar panel estimator, and factoring in your site's solar insolation value, you'll be able to determine the least PV panels needed. It's all explained in the report.

Here's What You Get

The Solar Panel Calculator is a 16-page PDF report that you can instantly download and begin using. Aside from the special formula and an easy-to-complete printable worksheet, you will also get…
  • Proven estimating tips that could save you needless expense

  • Links to the best solar maps for locations in the U.S. and Canada

  • Links to online solar calculators you'll want to use

  • And it's all absolutely FREE

CLICK HERE to Get Your Free Report





The above Report is in Adobe PDF format.

Most computers already have Adobe Reader installed, but if your computer doesn't have it, you can get a FREE download of the latest version by clicking on the Get Adobe Reader button below. (A new window will open in your browser so you don't lose this page.)

Get Adobe Reader button


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Welcome To My Website

Don Bell, Peterborough, Ontario

My name is Don, and my goal with this site is to introduce solar power as the best available option for alternative, renewable energy.

The solar information on this site is freely given to assist you in your journey to an affordable green energy future.


Solar Power Ontario

Heiko Liebethal, CEO, Flagstone Solar Power, Peterborough, Ontario, Canada

Heiko Liebethal, Flagstone CEO

If you live in Ontario, Canada, and qualify for the Ontario Power Authority (OPA) microFIT program, you could sell all the electrical power that your solar panels produce back to the OPA, and they will pay you up to 80.2 cents per kWh. Guaranteed.

Arrange for your FREE Solar Site Evaluation today. Don't miss out!

Flagstone Solar Power Peterborough, Ontario

Ontario Solar Power Free Solar Site Evaluation Offer


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