How to angle to solar panels properly

Each panel in a solar photovoltaic power system should ideally track the sun throughout the day to capture the most amount of energy feasible. Unfortunately, this is frequently prohibitively expensive, and the majority of tiny solar energy systems use fixed panels. Then the issue becomes which direction the panels should be mounted in.


car park solar panels shed


Tilt and Azimuth Angle: At What Angle Should My Solar Panels Be Tilted?

To maximize their output, solar panels should face directly into the sun. This article discusses how to determine the optimal tilt and azimuth angles for your array in order to maximize production.

Elevation Angle: The angle at which your panels are vertically oriented.

The horizontal orientation of your panels in regard to the equator is referred to as the azimuth angle.


Solar panels perform well when they are directly facing the sun. However, this effort is hampered by the sun's movement across the sky throughout the day. Additionally, it alters the angle of the sun in the sky as the seasons change.

Therefore, while designing a solar system, the question is: what is the optimal angle for mounting your solar panels to maximize output?

The angles of tilt and azimuth are measured in reference to the Equator.

Some individuals prefer to set it and forget it, while others want to work with their system hands-on and make tweaks to enhance output.

Additionally, you may purchase a tracker, which automatically tracks the sun's position in the sky to maximize the output of your panels. However, trackers are rarely the least expensive solution. Almost always, it is more cost effective to purchase additional panels than to invest in a tracker.

Angle of your solar plant is very important from energy generation perspective and Bigwit Energy takes upmost care to direction your solar panels accurately while installing solar plant.


Solar Panels' Optimal Azimuth Angle

Solar panels should be oriented toward the equator for optimal performance. Face them south if you reside in the Northern Hemisphere. Face them north if you live in the Southern Hemisphere.

Specifically, you should point your panels toward true north, not magnetic south, as shown by your compass.

Many individuals are taken aback when they discover that their compass is not totally accurate. This occurs as a result of magnetic forces within the Earth's core pulling the compass needle away from true north or south. Depending on your location, the compass reading may be up to 25° off!


If the magnetic declination is east (positive) in the Northern Hemisphere, rotate your panels east.

Rotate your panels west if your magnetic declination is west (negative).

If your magnetic declination is east (positive) in the Southern Hemisphere, rotate your panels west.

Rotate your panels east if your magnetic declination is west (negative).



Example to illustrate the distinction:

India is a country located in the Northern Hemisphere.

Your magnetic declination is around 0.5° west if you live in Hyderabad, Telangana. As a result, begin by determining magnetic south and then adjusting 0.5° to the west.

Your magnetic declination is around 0.3° east if you live in Srinagar, Jammu & Kashmir. As a result, begin by determining magnetic south and then adjusting 0.3° to the east.

By making these modifications, you may orient your panels exactly toward the equator, maximizing their solar exposure.


Choosing the Most Appropriate Tilt for Your Solar Panels

You have two options here: choose a single angle and stick with it, or vary the tilt several times a year to optimize seasonal production

.

Here is our recommendation, based on your preferences:

Tilt Angle That Is Optimal (No Adjustments)

If you wish to avoid altering your panels in the future, set them to a tilt angle equal to your latitude. This solution is the best for all residential users and solar plants below 50kW size.

One wrinkle to explore is gently altering the tilt to favor summer or winter output. If you spend more money on air conditioning in the summer, you may wish to optimize your production for summer. On the other side, if you find yourself blasting the heat during difficult winters, you can program your panels to produce more energy throughout the winter.


This is particularly critical for off-grid systems, as you are storing your own energy. If you are grid-connected, you will almost certainly want to optimize for summer production, as your utility company will often credit you for any excess production. You'll create more throughout the summer, and you'll be able to cash in on this credit during the winter.


To improve year-round production, angle your panels according to your latitude.

To tilt your panels toward increased production during the summer, set them to your latitude minus 10-15°.

To tilt your panels toward increased production during the winter, set them to your latitude + 10-15°.



Adjustments to the Optimal Tilt Angle

If you have an adjustable mount and don't mind manually tilting your panels, you can modify the angle a few times a year to maximize your array's output.


It's worth noting that this is not a particularly popular option. When sizing their system, the majority of our customers simply add a 5-10% production cushion to ensure they never have to make revisions.

The primary exception is in locations with significant snowfall. Pole mounts make a lot of sense if snow will collect on your panels. In the winter, you may set them to a higher tilt angle, which not only increases production but also sheds snow from the panels' faces.


If you are able to modify the angle of your solar panels several times a year, we recommend the following schedule:

In the spring, adjust the panels according to your latitude.

Summer: Tilt the panels to minus 15° latitude.

Adjust the panels to your latitude in the fall.

In the winter, adjust the panels to your latitude plus 15 degrees.


Along with the type of solar panels purchased, their placement and orientation are critical. The panels may absorb the greatest energy when the sun's rays strike them perpendicularly. You can ensure that the solar panels generate enough energy by aligning them appropriately and tilting them properly to receive the maximum amount of sunlight for a longer period of time.

Solar tracking systems, which direct solar arrays to track the sun, significantly increase energy production in certain circumstances.


Solar panels on ground

Which way should my solar panels be oriented?

Solar panel orientation is entirely influenced by your geographic location, specifically whether you live in the northern or southern hemisphere. Solar panels installed in the northern hemisphere must face true south, whereas those installed in the southern hemisphere must face true north. These directions are ideal since solar panels can receive direct sunlight only during the day in this direction.

To avoid any misunderstandings, it is necessary to understand the difference between magnetic and true south. The compass faces magnetic south, which is the Earth's south magnetic pole.


On the other hand, solar panels must face either the solar or geographical south, or the direction of the South Pole. Similarly, one could say the same thing about magnetic and true north.

The direction may change depending on how the solar panels are used. Gradually rotating the panels away from the south and toward the south-west may be beneficial in some cases. While facing the panels directly south may aid in their energy collection, facing them away from the sun may aid in their generation of the most energy when it is required. Solar-powered appliances that are used more frequently in the evening and have their panels towards the setting sun can generate more energy during this time of day.

When using solar collectors to heat and light your home, it is best to face the panels east. If you want to keep your house warm during the day, you'll need the most amount of sunlight possible.



What Is the Purpose of North-Oriented Solar Panels?

Solar panels should face north when erected in the southern hemisphere, such as Australia, South America, or some Asian islands. It will receive the maximum sunlight when facing north, producing in a high energy output for all of your household appliances. On the other hand, north-facing solar panels are excellent only if there are no obstructions on the northern side, such as buildings or trees.

Adults or families that spend the majority of their time at home should consider solar panels with a north-facing orientation. They use more appliances such as pool filters, washing machines, and clothes dryers since they spend so much time at home.

Solar panels facing north generate more energy and are hence ideal for these types of dwellings. Panels can frequently be positioned in different directions.

While some may face north, others may face west, emulating the north-west facing panels. This generates the least energy in the morning and the most energy in the afternoon and evening. This is an excellent way to save money on your electricity expenses.


Can solar panels be oriented east or west?

Solar panels create the greatest energy while facing south, more than any other direction. On the other hand, the solar panels on your patio may face east or west. In comparison to solar panels facing south, these panels produce 15% less energy on average. Even if the solar panels' efficiency is reduced while facing west or south-west, they will be more cost effective due to the reduced time-of-use billing.

Due to the fact that time-of-use billing is most prevalent in the afternoon, west-facing solar panels are perfect for those who do not require power during the day. This way, you may install solar panels on your roof while still saving money.

Despite the fact that they generate only about 80% of the energy, east-facing solar panels are quite widespread. However, net-metering is essential for east-facing solar arrays. This means that your electricity bills will be computed on the basis of your net energy consumption, which will result in cost savings.



What Is a Solar Panel's Tilt Angle?

Another critical factor to consider when selecting solar panels for your rooftop is the tilt angle of the solar panels. You must possess the necessary expertise to assist the solar panels in producing the maximum quantity of electricity possible for your home. The tilt or verticle angle of the solar panels should face directly toward the sun for maximum sunlight absorption.

To generate the greatest electricity, you must angle your solar panels according to the latitudes of your location. For instance, if the latitude of a site is 50 degrees, the proper tilt angle should also be 50 degrees. As the solar panel reaches the equator, it must become more vertical.

They must tilt towards the equator if they are closer to the poles. Solar panel tilt angles are also affected by meteorological and environmental variables. In places prone to heavy snowfall, the sun's beams can easily be diverted or even blocked, resulting in low-tilted solar panels receiving little light. This is a significant energy waste in countries such as Canada and the United States. Dirty and debris-prone locations can also be damaging to solar panels mounted low to the ground.


Is it possible to install solar panels horizontally?

Solar panels can also be used on flat roofs. The majority of commercial structures have flat roofs, which are ideal for flat roof solar systems. Additionally, they can be employed in residential structures.


What Is The Appropriate Angle For A Solar Panel?

The primary goal of a properly tilted solar panel is to optimize energy output so that all of your home's appliances can run on solar energy. Due of the sun's shifting position during the day, determining the optimal angle for solar panels can be challenging. In ideal circumstances, you should be able to alter the tilt angle of the solar panels to align with the direction of the sun, but this may not always be possible. As a result, you must angle it optimally.

The best way to maximize the efficiency of your solar panels is to slant them at a 60-degree angle. In the spring, the best tilt angle for solar panels is 45 degrees, and once summer arrives, you may choose for a low-tilt angle, preferably 20 degrees.



How Do You Determine the Appropriate Angle for Solar Panels?

You must understand how to calculate the proper angle for solar panels, which articles like this one can help you with. Solar panel angle calculators are advantageous in these instances, but you can also perform the calculations yourself. Calculating the tilt angle in the summer is significantly different than in the winter. There are two primary approaches for performing such calculations.

One method of determining the proper angle for solar panels is to remove 15 degrees from the solar system's latitude. This is an excellent option for those scorching summer days. Add 15 degrees to the latitude on winter days. This method has been condemned for its inadequacy. The second method multiplies the location's latitude by 0.9 and then subtracts 23.5 degrees from the result.

Once again, this computation is for the summer season. Rep all of the instructions for the winter season, then multiply by 29 degrees.


What Other Factors Affect the Angle of a Solar Panel?

When choosing a solar system, there are a few additional factors to consider that affect the tilt-angle of the solar panels.

The Roof Design: The majority of people choose to invest in solar panels and have them installed on their roofs since they provide the sun with maximum exposure with no barriers. The majority of roofs have a 30 to 40-degree slope, which maximizes the amount of sunlight reaching the panels. However, in many cases, when the slope is steeper, it becomes more difficult to get the proper angle for the panels.

In some circumstances, the optimal angle may be less than the roof angle. In this case, installing the panels flat on the roof is the best solution. You might also have a low-angle roof constructed, but this will require some expense and labor.

When the roof has a slight slope, a racking system can be devised to keep the solar panels oriented properly. Racking solutions are necessary for flat roofs.

Only by following these specific directions and suggestions can the solar panels be tilted and oriented properly.

Direction of Solar Panels: We've already covered a lot of territory in terms of solar panel direction. This is the most critical aspect of solar system installation because it affects several other characteristics such as tilt angle, power output, and panel durability.


What influence does a solar panel's angle have on its output?

The angle at which a solar panel faces has a significant effect on its output. Adjust the panel's tilt angle according to the sun's position and your geographic location. The corrector's optimal angle will aid in the generation of maximum energy.


Are solar panels capable of facing multiple directions?

Yes, solar panels can be oriented differently if they cannot face the best direction, which is true north in the southern hemisphere and true south in the northern hemisphere. You may rotate the solar panels to face north or west if necessary. Solar panels can be oriented in more than two directions if necessary.


What is the solar hour's angle?

The solar hour angle is the angle of the sun with respect to the solar panels at any given hour. At 11.30 a.m. local apparent time, the hour angle is -22.5 degrees.

 

If you are looking to install a solar pv plant or want to know more about the latest trends in solar panels and solar industry, please send us a query to sales@bigwitenergy.com.


You can also fill our contact form on the homepage or request a callback from our side here.

120 views0 comments

Recent Posts

See All