895
More and more people are interested in the economy, so it is not surprising that many companies provide services in the field of sale and installation of solar power plants. A photovoltaic installation is a system that should last at least 30 years, so it is worth choosing a contractor who will take care of the highest quality components and proper installation. Contemporary solar panels is a practical and economical solution. What else should you pay attention to when choosing solar energy?
Correct selection of installation power
The correct choice of installation power is a condition of profitability of the station. The size of the home photovoltaic installation due to the presence of an electricity storage system in the network should be exceeded by approximately 20%. Thanks to this, users can be sure that it will fully cover their electricity needs. Too high capacity of the installation will lead to a longer return on investment, and part of the produced energy, which cannot be used within a year, will be lost. Too low capacity, in turn, leads to an excess on bills.
Proposed technologies
Currently, monocrystalline panels are the standard on the market, but they also differ in technology. You can choose classic modules or solutions using MWT or PERC technologies. There are modules on the market that combine all these technologies, thanks to which their efficiency and service life surpass others. Taking care of maximum safety and ecology, you should consider the possibility of installing lead-free panels.
An important aspect is also the guarantee of efficiency, which confirms the effective operation of the installation for many years, manufacturers guarantee an efficiency of up to 82% even after 30 years.
Safety system
The photovoltaic installation must be as safe as possible and comply with the requirements of the Law on Construction, as amended, and fire extinguishing rules for photovoltaic installations with a capacity of more than 6,5 kW. Before making a decision about choosing a contractor, you should check what solutions are used to protect the installation from possible failures. The most important issue in maintaining safety is the use of high standards of installation, appropriate components, and the system of disconnecting the electrical circuit.
