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Can I Have Photo voltaic Panels On My Roof?

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As extra owners flip to solar energy, you could surprise, “are photo voltaic panels on my roof an choice for me?” increasingly more nowadays.

If this sounds such as you, and also you’re curious to seek out out what makes a rooftop photo voltaic system a viable choice, then you definitely’ve come to the fitting place!

Photo voltaic panels in your roof are all about optimization and effectivity, so it’s essential to make sure you’re all set from the get-go.

This text discusses what makes a roof appropriate and the professionals and cons of the sort of system.


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Can I Have Photo voltaic Panels On My Roof?

Is My Roof Appropriate For Photo voltaic Panels?

For a profitable photo voltaic expertise, the roof and panel relationship should be an ideal match!

Roof Sort

On the subject of photo voltaic panel set up, you will need to set up the kind of roof your property has.

Sturdy and sturdy roof tiles or supplies are greatest. Extra particularly, supplies like concrete tiles or composite shingles.

Clay tiles usually are not as perfect, and you will want to seek the advice of a photo voltaic skilled who’s extensively skilled in set up on all these roofs.

Roof Age

A key piece of data to recollect is that photo voltaic panels have an extended lifespan. How lengthy precisely? Properly, they will final successfully as much as 30 years!

Example of the effective lifespan and degradation in PV modules present in solar panels.
Instance of the efficient lifespan and degradation in PV modules current in photo voltaic panels.
Supply: Nationwide Renewable Power Laboratory

Due to this, roof age performs an vital position. In case your roof wants changing quickly, you will need to guarantee that is accomplished earlier than any set up — a stable basis is crucial!

Roof Angle

On the subject of optimum solar publicity, the angle is every thing!

The perfect roof angle for photo voltaic panels is round 45 levels, with quite a few households putting theirs at roughly 30 levels.

The angle or pitch of your roof will decide whether or not you should have added racking techniques to angle your panels.

Basically, your roof angle determines your photo voltaic panel angle, and if the additional infrastructure is required, then a roof with these angles is greatest suited!

Associated Studying: What Route Ought to Photo voltaic Panels Face For Max Effectivity?

Your Roof Daylight And UV Publicity

The photo voltaic irradiation your roof receives is the crux of your photo voltaic panel placement.

A examine carried out in Colorado checked out solar publicity on photo voltaic panels and confirmed the next:

Photo voltaic Panel Solar Publicity PV Technology
South and West Peak of 1.2 kWh round noon
South Peak of roughly 1.4 kWh earlier within the day
West Peak of simply over 1 kWh later within the day
Desk explaining the variations between solar publicity and photo voltaic panel placement by way of PV energy technology

Photo voltaic panels positioned in the direction of the south and west will generate much less energy than these with solar publicity in the direction of the south solely.

Panels going through west will generate much less energy and solely later within the day.

In different phrases, putting your panels south will present you probably the most publicity and PV energy, and earlier within the day, too (as proven within the picture beneath).

A roof with these directional and publicity capabilities is a well-suited one!

The average energy consumption vs generation from solar panels placed at different orientations and receiving differing sunlight exposure.
The typical power consumption vs. technology from photo voltaic panels positioned at totally different orientations and receiving differing daylight publicity.
Supply: Researchgate

Water Drainage

When questioning, “can I’ve photo voltaic panels on my roof?” it’s essential to not overlook water drainage!

Generally when it rains, it pours, and the water should have the ability to drain appropriately.

If the set up of your panels wouldn’t trigger an obstruction for flowing water or divert the course, which can result in structural issues, then your roof is appropriate!

Under is a brief clip summarizing just a few details mentioned on this part.

Associated Studying: Tesla Photo voltaic Roof (Every part you should know)

How A lot Weight Do Photo voltaic Panels Add To A Roof?

The load your roof can stand up to is one other issue that may allow you to decide whether or not you’ll be able to have photo voltaic panels in your roof.

Because the Nationwide Renewable Power Laboratory factors out, a PV system can add roughly 1.3 kilograms of weight (2.8 lbs) per 0.09 sq. meters (0.29 ft).

Nevertheless, this depends upon the kind of photo voltaic panels you put in.

The next picture from Kansas State College exhibits just a few examples of the burden variations, with panels such because the Kyocera coming in at a whopping 16.5 kilograms (36 lbs)!

Please notice: to transform from kilos (lbs) to kilograms (kg), merely the pound mass worth by 2,205

An example of the weight differences between various solar panel models.
An instance of the burden variations between varied photo voltaic panel fashions.
Supply: Researchgate

To find out the precise weight, you will need to analysis the sort and model of photo voltaic panels you want to set up.

Associated Studying: 5 Greatest SunPower Photo voltaic Panels You Can Purchase

Professionals And Cons Of Including Photo voltaic Panels To Your Roof

As with most issues in life, one should weigh the professionals and cons — rooftop photo voltaic panels are not any totally different.

In response to Renewable and Sustainable Power Opinions tutorial journal, these are vital to contemplate.

So, let’s take a better look…


An example of solar panels being cleaned as part of regular maintenance practices.
An instance of photo voltaic panels being cleaned as a part of common upkeep practices. Supply: SunModo Corp
  • System Reliability: rooftop photo voltaic panels are a reliable manner of offering renewable power. These techniques are well-designed and well-developed, making photo voltaic a well-researched type of inexperienced know-how that is still dependable. 
  • Low Working And Upkeep Prices: rooftop photo voltaic panels require little in the way in which of upkeep. Nevertheless, these panels can final for roughly 30 years! So you continue to have to maintain them clear and verify for injury as soon as from time to time.
  • Cleaner Greener Power: photo voltaic rooftop techniques have zero carbon emissions, making them extra environmentally pleasant.
  • No Noise: rooftop arrays emit completely no noise when operating. As such, you’ll be able to benefit from the quiet surrounding atmosphere as your panel’s photovoltaic cells absorb the solar in silence.
  • Energy Technology At House: among the finest private advantages of getting rooftop panels is which you can generate your personal energy in your house.
  • Tax Incentives: many states provide tax rebates, schemes, and incentives for using inexperienced power. These tax credit can prevent a reasonably penny, given the excessive price of preliminary set up!


Solar panel cells (photovoltaic cells) rely on sun exposure to generate energy.
Photo voltaic panel cells (photovoltaic cells) use solar publicity to generate power.
Supply: U.S. Power Data Administration
  • Expensive Preliminary Set up: photo voltaic panel set up is an costly affair! In response to the Photo voltaic Power Industries Affiliation, this could set you again round $2.94 per watt. Nevertheless, actual figures will rely upon varied elements akin to system measurement, location, and accessible incentives. Furthermore, in case your roof wants further work or infrastructure, you will want to pay extra.
  • Spatial Limitations: a sure variety of photo voltaic panels shall be required to satisfy your private home power wants. When you have a small roof, you would possibly discover there’s inadequate area for the dimensions or variety of panels you require.
  • Local weather Dependency: solar publicity will make or break your rooftop photo voltaic system. Sadly, in the event you’re located in an space with minimal sunshine or weak UV rays hours, you would possibly battle to make your power ends meet.

Closing Ideas

On the subject of photo voltaic arrays, you will need to consider the suitability of your roof.

Begin by trying on the roof supplies, kind, design, and publicity your panels will get. The very last thing you need is in your system to come back crashing down!

Moreover, weighing up the professionals and cons you could face is important.

This manner, you can also make an knowledgeable resolution about your system and foresee potential issues you’ll be able to tackle effectively prematurely!

If you wish to share your ideas or ask us a query, please be at liberty to succeed in out to us within the feedback part beneath! Alternatively, go to our discussion board or observe us on Twitter!

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