Solar Panel Tilt Angle Calculator

Here is way to Calculate best angle for your Solar Panels. You need to Point your solar panel in direction that captures most sunlight. Knowing how to calculate correct angle for your solar panels can help you get high efficiency out of your Solar Panel.

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Solar Panel Angle Calculation

Among various factors that influence production of solar panel, Angle calculation plays important role and is strongly influenced by latitude of installation site.

In Pakistan, to obtain maximum efficiency, south or south-west orientation and angle calculation between 25° and 35° are generally required.

However, calculation of panels can vary depending on time of year, in winter months, optimal Angle Calculation will be around 60°, while in summer months it will be around 30°.

But How do You Calculate Optimal Angle Calculation of Solar Panels? There are specific professional tools and online calculator to identify ideal degree of angle calculation but today we will illustrate an empirical mathematical formula to calculate online calculator way.

How to Calculate Correct Angle for Solar Panels

To get high efficiency of your solar panels, you need to point your solar panel in direction that captures most sunlight. Knowing how to calculate correct angle for your solar panels can help you get high efficiency out of your panels.

If you live in Punjab Lahore, Multan, Faisalabad, you should point your panels south. If you live in Sindh Sukkur, Hyderabad, Karachi you’re panels should face north. Most homeowners with solar systems mount their panels in fixed position, where solar panels can be manually tilted as needed (It can be adjusted seasonally). Here is way to Calculate best angle for your Solar Panels:

Method 1: Quick and Easy (but less effective)

Take your latitude and add 15 degrees for winter or subtract 15 degrees for summer.

For example: If your latitude is 40 degrees, angle you want to tilt your panels in winter is: 40 + 15 = 55 degrees. In summer, it would be: 40-15 = 25 degrees.

Method 2: Better Way (Winter)

In the winter months, when there is less sun, take your latitude, multiply it by 0.9, then add 29 degrees.

For example: If your latitude is 40 degrees, the angle you want to tilt your panels in winter is: (40 * 0.9) + 29 = 65 degrees.

This is about 10 degrees steeper than “quick and easy” way! It’s also more efficient, because you want your panels to be directly facing sun at mid-day during those short winter days.

Method 3: Better Way (Summer)

Take your latitude, multiply it by 0.9, and subtract 23.5 degrees.

For example: If latitude is 40 degrees, the panels must be tilted by: (40° 0.9) – 23.5 = 12.5 degrees.

Method 4: Better Way (Spring and Fall)

Take your latitude and subtract 2.5 degrees.

For example: If latitude is 40 degrees, best tilt for panels in spring and autumn is: 40 – 2.5 = 37.5 degrees.

Choosing Right Angle Calculation/Inclination

There is no need to adjust tilt of panels every season. If you find that the energy generated by your solar panels is sufficient for your winter energy needs – assuming your highest energy use is in winter – you can simply leave panels in same position.

Note that fixed-mount solar panels will be least efficient during summer, spring, and fall, when sun moves across large area of the sky. Panel systems that “solar panel angle calculator” the sun’s position are more efficient, but also more expensive.

Of course, correct angle for solar panels is for ideal locations, but in real world, we are dealing with trees and buildings that can shade the panels or areas with a lot of leaves, dust or debris. You may need to adjust the angle slightly to compensate for less than ideal conditions.

Summary: Solar Panel Angle Calculation

SEASON	ANGLE/INCLINATION CALCULATION
Winter	(Latitude 0.9) + 29 degrees
Summer	(Latitude 0.9) – 23.5 degrees
Spring and Autumn	Latitude – 2.5 degrees

Knowing How to calculate correct angle for your solar panels can help you generate more energy from your solar power system. Luckily, there is device known as solar panel angle calculator that will automatically right angle of your solar panels toward sun to maximize their effectiveness. While this is an additional investment, some people may find that increased effectiveness is worth extra cost.