Value of solar energy: how much does installation cost on average?

Find out everything about the value of solar energy: costs and benefits
Value of solar energy, how much installation costs on average
Photo: Ricardo Coutinho/Disclosure

O value of solar energy arouses the curiosity of those considering investing in this innovative technology.

The average cost of implementing a photovoltaic solar system involves issues such as the price of equipment (photovoltaic s, inverters, fixing structures, protection devices, cables and electrical s), logistics and transportation expenses, project preparation services, installation , and relationship with the energy concessionaire.

All investment made must generate benefits for those who decide to install. For example, by purchasing a photovoltaic solar system, a family or company obtains a reduction in electricity bills, greater energy independence, sustainability, brand image, etc. 

For those who are looking to know more about this solution and are wondering what is solar energy, the value of this investment is directly linked to the benefits it provides.

Therefore, our intention in this article is to present estimates of the cost of a photovoltaic system, highlighting that the real value of solar energy This investment will depend on the solution that the installation will provide for you.

How much does a photovoltaic kit cost on average?

The cost of a photovoltaic kit varies according to the quality of the equipment and applications. Cutting-edge technologies tend to be more expensive, as they offer greater productivity and durability.

Generally, a solar kit consists of photovoltaic modules, photovoltaic inverter, string box, fixing structures, cables and special connectors. solar s represent around 25% to 40% of the total cost of the kit, according to data from Greener, a consultancy specializing in the solar energy market.

It is worth noting that solar energy has become increasingly popular, and those who are starting to explore this sustainable alternative are faced with many options and information. When it comes to knowing all about solar energy, it is essential to understand what this subject involves, such as the value of solar energy, for example.

In January 2024*, the average cost of a photovoltaic kit, not including installation services, may vary as follows:

  • Residential: R$4.240,00 (2 kWp) to R$15.200,00 (8 kWp);
  • Commercial: R$ 21.960,00 (12 kWp) to R$ 120.750,00 (75 kWp);
  • Industrial: R$ 229.500,00 (150 kWp) to R$ 1.460.000,00 (1 MWp).

These values ​​illustrate the variation in costs depending on the scale and application of the system, highlighting the importance of evaluating the specific needs of each project for an informed investment decision.

It is important to highlight that the prices are for systems installed on roofs. Ground systems are on average 18% to 23% higher because the fixing structures are larger and more complex, in addition to the execution/installation being more laborious.

Source: Greener 2024

How much does it cost on average to install solar energy?

O installation service of a solar generator represents, on average, approximately 37% of the value of solar energy. But this value depends on many factors, as the greater the complexity of the installation, the higher the cost of the service.

Logistics

Integrators, as photovoltaic installers are known, not only need to travel, eat, but also sometimes stay. Therefore, the greater the distance to be covered in a facility, the greater the cost of traveling professionals and equipment logistics.

installation location

Roof height and ease of access are factors that can complicate the installation of photovoltaic s and therefore increases the value of solar energy, especially if it is necessary to use a crane – load lifting equipment, essential on medium and large construction sites. 

Additionally, metal and slab roofs are easier to work with than pitched roofs with clay tiles, while older fiber cement roofs may need replacement and additional waterproofing.

Solar s on concrete slab.
Concrete slabs facilitate the installation of a solar system. Image Bank/HEIC

Connection point

The proximity between the connection point (light ) and the installation location of the solar s facilitates the installer's work, reducing the need for additional cabling and conduits, which can reduce the value of solar energy and installation time.

Meter replacement

To approve the solar generator, the energy distributor needs to carry out a technical visit after installation, checking whether the location of the light clock complies with current standards. 

If your home or business is more than 20 years old, it may be necessary to adjust the meter for the generator to be approved.

It is recommended to confirm with the installer that the light clock standards are up to date before purchasing the solar system, thus avoiding possible surprises and delays in the approval process.

Value of solar energy systems in homes

According to Greener, the solar energy system prices vary according to the power that will be installed. For a 4 kWp system, for example, the average value is R$12.680,00.

Source: Greener 2024

Value of solar energy systems in commerce and small businesses

For a 50 kWp commercial on-grid system, the solar energy system costs, on average, R$122.500,00.

* For the 75 kWp system, a rooftop system was considered. Source: Greener 2024

Value of the solar energy system in industries and large consumers

The value of an on-grid industrial system is much more complex due to the size of the projects. For a 1 MWp kit, the average price of the system, according to data from Greener at prices from January 2024, is R$2.700.000,00.

 The above systems are roof only. Source: Greener 2024

 The above systems are roof only. Source: Greener 2024

What is the cost-benefit of installing solar energy?

Installing solar energy provides excellent cost-benefit, mainly due to the significant reduction in electricity bills, which can reach up to 95%. 

Although the initial investment is high, the return on value of solar energy It usually takes place between 4 and 7 years, after which the energy generated is practically free, generating savings in the long term.

Furthermore, properties with solar energy systems are more valued in the market, becoming an additional advantage for owners.

Another important benefit is the energy independence that solar energy provides. With a photovoltaic system, consumers are less dependent on energy utilities, protecting themselves against tariff increases and supply problems. 

Finally, solar energy is a clean and renewable source, contributing to environmental sustainability and helping to reduce greenhouse gas emissions. 

The greaves factory invested in solar and has savings of 90%

How to request a solar energy quote?

request a energy budget solar is a simple process. First, the chosen company and provide some essential information.

The initial step is to send the electricity bill for the last few months, indicating the location, the characteristics of the property and the number of people who live or work there. Furthermore, it is essential to have a list of devices that use electrical energy.

With this data, the solar energy company will be able to estimate its energy consumption and value of solar energy, sizing the photovoltaic system that best meets your consumption profile.

If the customer agrees with the initial quote, a technical visit to the site will be scheduled to collect more data and, subsequently, complete the final quote.

Payment can be made in cash or through financing. Several banks offer exclusive lines of credit for solar systems, with competitive interest rates and extended .

Read also How should solar s be cleaned?

How to choose the best solar energy company option?

Given the vast number of integrators available in Brazil, it is essential to research carefully to choose the ideal solar energy company.

Choose companies that have a good reputation, experience in the market and are close to your home or business.

customers of the chosen company to obtain information about system performance, installation quality and, most importantly, after-sales service.

Evaluate the quality of service from the first and make sure that all your doubts have been clarified.

By following these guidelines, you will be able to avoid companies that may frustrate your experience when purchasing a photovoltaic system.

Don't leave your choice to chance! Click here to find the best solar energy companies, with a good reputation, proven experience and excellent service. Make the right choice and guarantee an efficient and long-lasting photovoltaic system.

Conclusion

O value of solar energy It is a topic of great interest for anyone who wants to invest in this sustainable technology. 

The average cost of a photovoltaic system includes factors such as the price of inputs, import tariffs, quantity of equipment, logistics expenses and the complexity of the installation location.

Although the initial investment is high, the financial return usually occurs within 4 to 7 years, providing long-term savings. Furthermore, solar energy increases the value of properties and contributes to environmental sustainability, making it an advantageous choice both economically and ecologically.

Want to stay up to date with the latest news on renewable energy? Check out our articles about solar energy and expand your knowledge!

Updated August 14th

Photo by Wagner Freire
Wagner Freire
Wagner Freire is a journalist graduated from FMU. He worked as a reporter for Jornal da Energia, Canal Energy and Agência Estado. Covering the electricity sector since 2011. Has experience in covering events such as energy auctions, conventions, lectures, fairs, congresses and seminars.

Answers of 2

  1. This article is sensational! Clear and objective information, as well as enriching!
    We at NPS Serviços Elétricos / NPS Projeto Solar also work with DG, we have been in the market since 2019 as integrators and thank God we are growing and installing photovoltaic solar generation systems in the state of São Paulo, capital and interior.
    We are at your disposal for any questions on this subject “Solar Energy Generation”. Request your quote without obligation, us at “Instagram.com/nps.projetosolar” or by “WhatsApp (11) 98203-4406 c/ Newton or (11) 98244-6794 c/ Patricia”. Come visit one of our facilities!

  2. Congratulations on the report.

    I am part of the GD Distributed Solar Energy Generation project.

    Our companies have more than 100 plants already installed in Brazil and generating energy credits. I can the customer at one of our plants and send energy credits to their home, business or industry.

    I can get up to 15% discount for low voltage group B customers and up to 30% high voltage group A customers without having to install any equipment.

    Anyone who wants to know our project as a client or investor just call me on Watts 51984863327

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