How Do Solar Panels Work On Commercial Buildings?

February 15, 2023

Solar panel installations are great for office buildings. Solar panels will produce a lot of power to meet the requirements of your building's energy usage because they have a large coverage area.

Solar energy is a renewable resource. Thus, there will never be a shortage of it. A dependable power supply generated on your property will be helpful to you.

Solar panels often pay for themselves within a few years, so you'll also see a great return on your investment. Their lifespan is almost 25 to 30 years on average.

Making the switch to solar is a great way to modernize the exterior of your building and raise its market value.

Over the past few years, energy prices have been continuously rising. Now, a lot of individuals are looking for different ways to power their homes and businesses. Yet, solar and wind energy are the two most common forms of energy-saving technology.

Solar panels, however, are a popular choice for so many. They need less maintenance and have some moving parts. They are good options for commercial buildings because they are peaceful and require little maintenance.

How to Select the Ideal Solar Panels for Your Office Building

Governments in various nations throughout the world provide subsidies to support commercial solar panel installation and the usage of renewable energy. Solar energy is a long-term investment requiring time to yield a reasonable return.

However, you'll base your decision on the advantages of solar electricity for your organization. Here are some of the primary benefits:

  • It reduces business overhead costs.
  • It has the potential for future longevity.
  • It leads to energy independence.
  • It provides excellent tax advantages.
  • It is a long-term financial and environmental investment.

Solar panels come in a range of sizes, levels of quality, and prices. Always consider the panel size and choose one that will meet your roof's needs and power needs.

Additionally important is efficiency. Such determines how your panel transfers power input to output energy. Faster battery recharging and greater energy output are the benefits of an efficient panel.

What about adaptability? A durable panel has rising components that reduce downtime. Last but not least, choose a solar panel with a guarantee that is valid for a longer time.

Most panels have warranties that last for more than 10 years. Let's say that you can get one for 20 years or more. A performance warranty is another advantage. In this method, if your panel doesn't match the necessary performance level, the manufacturer will replace it.

Step-by-Step Guide for Installing Solar Panels

You can produce electricity using solar panels for both residential and commercial use. In both situations, the usage of photovoltaic (PV) panels on the roof can get the most sunlight possible.

The stages involved in installation are listed below:

Step 1: Install the mount.

Fixing the mounts necessary to support the solar panels is the first stage. Depending on the need, it may be flat mounts or roof-ground mounts. This base provides support and durability.

The installation direction of the PV panels (monocrystalline or polycrystalline) is carefully considered. For countries in the Northern Hemisphere, facing solar panels south is ideal because it receives the greatest sunlight.

East and west directions will also work. For countries in the Southern Hemisphere, the north is the best direction to go.

Again, the mounting framework needs a tiny tilt. The tilt can be anything between 18 and 36 degrees. Businesses commonly employ a solar tracker to increase conversion efficiency.

Step 2: Set up the solar panels.

The next step is to attach the mounting structure to the solar panels. To ensure that the entire structure is solid and long-lasting, precautions are taken to secure it properly.

The four main parts of any solar panel are solar cells, a metal frame, a glass casing, and wiring.

The panels are generally grouped to provide the greatest impact, typically on rooftops but occasionally in large outdoor spaces. Direct current (DC) power is created when PV cells collect sunlight during the day.

Each solar panel contains a negative and a positive silicon cell layer, which together create an electric field. A photovoltaic cell absorbs energy from the sun, which causes electrons to release. Then, these cells enter the electric field and transform into an electric current.

Step 3: Establish electrical wiring.

You should skip this step if the electrical system in your commercial building is DC. However, some structures use AC electricity, also known as alternating current. If this describes you, you should read on.

The process of converting DC electricity to AC is simpler. An inverter is a useful tool that doesn't need any more configuration after installation whether it's installed separately on each panel or all at once.

Step 4: Cabling

During cabling, the utilization of universal connectors like MC4 can be linked to all varieties of solar panels. These panels can be electrically connected in the series shown below:

Series Connection:

In this arrangement, the Positive (+) Wire of one PV module is connected to the Negative (-) Wire of another module. The voltage match between the battery bank and this type of wiring is improved.

Parallel Connection:

In this case, the connections are made from Positive (+) to Positive (+) and from Negative (-) to Negative (-). Each panel's voltage remains the same with this type of wiring.

Step 5: Connect the equipment to the solar inverter.

The next step is to attach the system to a solar inverter. The Positive and Negative terminals of the inverter are connected to the Positive and Negative wires from the solar panel, respectively.

The solar inverter is then connected to the grid input and solar battery to produce electricity.

Step 6: Connect the solar battery and inverter.

Connecting the solar inverter and solar battery is the next step. The positive terminals of the battery and the inverter are connected positively to positively and negatively to negatively. An off-grid solar system needs batteries to store backup power.

Step 7: Connect the grid to the solar inverter.

The next step is to attach the inverter to the grid. A regular plug is used to connect to the main power switchboard to create this connection. The electric board that supplies electricity to the building is connected to an output wire.

Step 8: Start the solar inverter.

When all the electrical wiring and connections are made, it is time to start the inverter switch ON the Main Switch of the building. After that, start your solar inverter.

Avoid These Common Solar Installation Mistakes

These errors are common in solar installation. Here are some examples of them and how to prevent them:

Buying an expensive system

The first step in avoiding this error is calculating the cost of installing the system of your choice. Keep in mind that the price of various solar panel types differs. Make sure you consider all your choices and select the one within your means.

Not creating a Component checklist

You must make a list of all the parts of the solar energy system. These parts include the solar panels, the charge controller, the power inverter, and the battery to prevent making this error.

Lack of knowledge about system dimensions

You need to calculate how big of a solar system you'll require to prevent this error. Add the total wattage of all the electrical devices you want to use. Determine how many hours per day the appliances will be used.

If you follow the above procedures, you may prevent mistakes and establish the necessary wattage, solar battery, and wire size. Understand that using the correct wire size promotes optimal power transfer to your batteries and prevents wire overheating.

What Advantages Might Commercial Buildings Gain From Installing Solar Panels?

Let’s get to the popular advantages of solar panel installation.

Reduces energy costs

The use of appliances like air conditioners and water heaters causes a sizable portion of energy bills in commercial buildings.

However, using a solar panel can significantly reduce your electricity costs. Solar panels can be expensive to install initially, but they will give you a better investment return.

Sustainable power

The sun, whose energy is infinite, is the source of solar panels. Fossil fuels are not used, which prevents environmental pollution. Additionally, many governments are urging people and company owners to use energy sources.

Commercial solar panels come in a variety of sizes

Small and medium-sized businesses can now purchase solar panels. The challenge before was obtaining solar panels for a commercial structure.

Thanks to technology, you can now get solar panels for businesses of every size. The majority of businesses and big companies now use solar panels to reduce their energy costs.

Clean resources

Most clients are interested in your business practices, and they will probably want to work with an organization that respects the environment. Your business can stop using fuels with high emissions and toxins by installing solar panels.

Reliability and low upkeep

Solar panel maintenance is not necessary. Solar cells are made of premium metal and are covered in protective glass. They can survive storms including rain, snow, and hail.

The PV cells used in solar panels are also not weak by nature. Additionally, they have a warranty that covers the replacement of any defective components.


Excellent sources of power for commercial buildings include solar panels. They have several benefits and will help you save a lot on energy costs.

The ideal product for your commercial building should be bought from a reputable brand or dealer, and your screen should come with a warranty. Additionally, look for a company that provides installation services as this will save you a massive amount of time.


Carlos Diaz
I believe in making the impossible possible because there’s no fun in giving up. Travel, design, fashion and current trends in the field of industrial construction are topics that I enjoy writing about.

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