Photovoltaics – the way to energy efficiency?

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Photovoltaic panels are increasingly being chosen by Poles. This has to do with saving money and energy. How exactly does photovoltaics work and what are the benefits of its use?

What is photovoltaics?

It’s a technology that allows the transformation of sunlight into electricity. The basis here are the photovoltaic panels, which absorb the sun’s rays. These are then transformed into electricity with a constant voltage.

How does this work?

The person who combines the producer and consumer of electricity, the prosumer, settles accounts with the power plant in a specific way. The energy suppliers collect the excess electricity generated by the photovoltaic from the owner. It is the responsibility of the power utility to replace the meter with a two-way meter, when it records the power taken in and put out to the grid. For every kWh of energy that the prosumer puts back into the grid, he can later collect 0.8 kWh, without being charged any additional costs.

Saving energy

Many people who decide to invest in photovoltaics take the positive impact on the environment as a priority. Renewable energy is obtained here in an environmentally friendly way. Photovoltaics, unlike traditional sources, does not produce exhaust fumes. The traditional ones, on the other hand, emit an increasing amount of pollutants. Burning coal and other fuels in furnaces causes the ever-increasing ozone hole and the greenhouse effect. With photovoltaic panels, there is no such threat.

Photovoltaics is so versatile that energy generation can be easily adapted to individual user needs. This is possible by installing any number of modules. Photovoltaic installations will work well in many places – both in single-family homes, as well as in companies or eco-farms.

The purchase of a photovoltaic system is quite expensive, but properly selected after some time guarantees a return. Deciding on the services of professional contractors we can be sure that they will take into account the functionality of the building, the efficiency of the installation, as well as architectural solutions. For example, in places where traditional photovoltaics would not work, you can install semielastic photovoltaic modules. They are used in the marine industry, on caravans and Dutch houses, among others. They are also suitable for buildings with complex roof shapes. More information about such modules can be found here:

Saving money with photovoltaics

In addition to the positive impact on the environment, photovoltaic systems can effectively reduce the cost of electricity. This is a very good safeguard against energy price increases. Electricity produced in our own system allows us to use energy on an ongoing basis. However, if we are not able to use all the energy produced by the installation, the kilowatt-hours that were given earlier can be taken back at any time from the surplus produced. The maintenance of photovoltaic installations is maintenance-free and does not generate additional costs.

The more electricity a household uses, the faster the investment in photovoltaic panels will pay for itself. Energy obtained from photovoltaics can be used to power devices in the household, for example, a washing machine, refrigerator or dishwasher, but also larger equipment, although in companies.

Main photo: Hoan Ngọc/

Peter Bowers

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