More and more companies are recognising the potential of using solar energy to generate their own electricity. Photovoltaic installations can be an excellent solution for companies wishing to reduce the cost of electricity, which is often a significant share of operating costs. In addition, investing in a 100 kW photovoltaic farm enables companies to increase their energy independence, which is important in the context of changing market conditions and the risks associated with the instability of energy supply. This investment not only generates financial savings, but also allows companies to actively care for the environment by reducing greenhouse gas emissions and using a renewable energy source.
When installing a 100 kW photovoltaic installation, it is not necessary to apply for a building permit. This is necessary when installing an installation with a capacity of over 150 kW. However, there is an obligation to make a fire safety agreement. According to the regulations, investors interested in building a photovoltaic installation with a capacity exceeding 6.5 kW are required to agree the photovoltaic installation design with a fire protection expert. In addition, the completion of the construction of such an installation requires notification to the State Fire Service. As part of the arrangements, it is necessary to take into account, among other things: the preparation of the facility for possible rescue and fire-fighting operations, the assessment of the reaction to fire of the individual components of the installation, the proper marking of the installation, the provision of lightning protection and the proper laying of the cables
In turn, the notification to the State Fire Service should include information such as the type, power and location of the installation, the planned date of commencement of use, the location of the inverter, security details and a plan of the installation accessible to the emergency services, based on the scheme previously agreed with the expert. Most often, fire fighting arrangements are dealt with by the company installing the installation.
The construction and operation of a 100 kW photovoltaic installation will also require the completion of the relevant formalities set out by the Energy Regulatory Authority. According to the provisions of the Renewable Energy Sources (RES) Act, the production of electricity from small photovoltaic installations (power from 50 kW to 1 MW) is covered by the regulations of the law on economic activity and requires registration in the register of energy producers operating small RES installations (MIOZE).
TheMIOZE register is maintained by the President of the Energy Regulatory Office, to whom an application for an entry must be submitted. In addition to a formal application containing information on the investor and a description of the installation, an entity seeking to be registered in the MIOZE Register must also submit declarations of not being in arrears with taxes, fees, social security and social insurance contributions and ensure that the data contained in the application is correct.
The application for entry in the MIOZE register is subject to a stamp duty of PLN 616. A fee of PLN 308 is charged for extending the scope of the activity. The process of registration in the MIOZE register can take up to 21 working days from the submission of the application, provided that all required documents have been provided.
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Investing in a 100 kW photovoltaic farm is a decisive step towards energy savings and environmental protection. Although the cost of building such an installation may seem high, it is worth considering the quality of the solutions offered and their long-term benefits.
The budget option of a 100 kW photovoltaic farm is expected to cost around PLN 400 000 gross. In such an installation, one can expect to use high-quality photovoltaic modules from proven manufacturers(DAH Solar, Jolywood, Jinko) and robust inverters(Sungrow). It is also worth emphasising the importance of professional installation, which is a key element in the effectiveness of the installation.
The premium segment, on the other hand, offers more technologically advanced solutions, but is usually associated with a higher investment cost, oscillating between 600 000 – 700 000 PLN gross. For this price, one can count on European photovoltaic modules, such as IBC Solar or Bauer Solar; high-quality inverters – SMA, SolarEdge and a specially protected structure.
For both options, it is worth noting the long-term benefits that a photovoltaic installation can bring. Even a budget investment can operate efficiently for many years, generating significant savings. The premium segment, on the other hand, can provide even greater returns in the long term thanks to its higher quality. It is also worth noting that professional installation and regular maintenance can make a significant difference to the efficiency of the installation and minimise any future service costs.
Writing about financial issues, it should be noted that in the context of photovoltaics for businesses, it is possible to deduct the full amount of VAT, which in the case of photovoltaic installations is 23%. Moreover, the investment in the company’s own solar power plant represents a cost for the company, which opens the door to potential income tax deductions.
The graph below shows the production of an example photovoltaic farm of 99.36 kW in 2023.
The photovoltaic installation on which the measurements were taken is located on the flat roof of a production building in the Mazowieckie province. The photovoltaic panels are directed towards the south-west. The mounting angle of the panels is 10°.
Adding up the electricity production for the whole of 2023, the installation generated a total of 90.84 MWh. This is a significant result, demonstrating the high efficiency and performance of the photovoltaic system. The use of high-quality components allowed the solar energy potential to be optimally exploited.
The photovoltaic modules used in this installation are DAH Solar 460 W. They use Full Screen technology, which involves increasing the active area of the photovoltaic panel. It allows an increase in electricity production of up to 15% compared to traditional panels. Thanks to the absence of a frame, dirt and dust have nowhere to accumulate. In addition, the sides of this module have a curved surface that has a self-cleaning effect. They are made of the highest purity A-grade crystalline silicon.
A Hypontech HPT-50k was used as the inverter – an inverter that regularly breaks yield records in the analyses we conduct. They distinguish themselves in the market with an ever-evolving range of grid-tied and hybrid inverters, as well as energy management solutions. Their products are tested in climatic environments around the world. They are designed on very fast components from reputable manufacturers, making their response times very low, making them ideal for corporate solutions. They have very high performance as well as one of the longest product warranties found on the market – 12 years.
The panels were mounted on a flat roof, so a suitable support structure was required. A Soprema solution was used on the site. This is a lightweight, non-invasive and ballast-free composite structure manufactured by one of the leaders in roofing, the French company Soprema. Their uncompromising approach to safety and quality is reflected in the system‘s long warranty of 20 years on Soprema membranes and 10 years on others. Production takes place in France. The product has the highest class of fire resistance – not only category 1, but also category 3, which goes significantly beyond the requirements from insurers.
Photovoltaic installations are an attractive solution for companies seeking to reduce their electricity costs. An investment in photovoltaics of around 100 kW enables companies to increase their energy independence. Requirements for the installation of such an installation include the agreement of the Fire Safety Authority and the need to register with the Energy Regulatory Office. The process of obtaining the necessary permits and registration with the MIOZE requires certain formalities and fees. The cost of building a photovoltaic installation can vary, depending on the quality of the components used and the degree of technological advancement. Both the budget option and the premium segment offer their own benefits and return on investment prospects. It is important for a company to carefully examine its needs and financial possibilities in order to choose the best-fit solution. With innovative technological solutions and careful workmanship, a 100 kW photovoltaic farm can become not only a profitable financial investment, but also an important step towards sustainability and environmental protection.
Sources:
https://fotowoltaikaonline.pl/fotowoltaika-dla-firm
https://enerad.pl/wiedza/fotowoltaika-dla-firmy/#fotowoltaika_dla_firm_oplacalnosc
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