Question 1

How does a PV system work?

Accepted Answer

The solar panels generate direct current (DC) through sunlight, which flows to the inverter and converts it into alternating current (AC). This AC can then be used in the household. The inverter is the heart of the system and determines how the electricity is distributed (1. household, 2. battery, 3. grid). The challenge lies in using as much of the generated solar power as possible on-site. Innovative devices equipped with smart controls help to minimize the amount of excess power fed into the grid.

Question 2

Why should I install a PV system?

Accepted Answer

Installing a photovoltaic system at home offers numerous advantages. Firstly, it enables the generation of environmentally friendly solar energy, allowing you to reduce your carbon footprint. Secondly, you can lower your energy costs in the long term, as you can cover some or even all of your electricity needs with your own system. This makes you more independent from rising energy prices and electricity providers. Furthermore, surplus energy can be fed into the public grid and compensated, providing an additional source of income. A photovoltaic system also increases the value of your property and contributes to a positive image as an environmentally conscious household. All these reasons make installing a photovoltaic system a worthwhile investment in the future.

Question 3

Which modules are used?

Accepted Answer

We use state-of-the-art 490-watt bifacial PV modules from Aiko. These modules excel particularly at higher temperatures and are highly durable thanks to their innovative glass-glass technology. They also detect partial shading, achieving an efficiency of 24.8%, which is an exceptional value. A manufacturer's warranty of 88.9% efficiency over 30 years further underscores the superior quality of these panels.

Question 4

How long does the installation usually take?

Accepted Answer

Depending on the size of the system, it will be fully assembled in 2-4 working days.

Question 5

Which inverter is being used?

Accepted Answer

At Solysolar, we work exclusively with hybrid inverters from 3 very well-known brands:
Fronius, the Mercedes of inverters with quality from Austria, as well as Growatt and GoodWe, two modern all-rounders from China with an unbeatable price/performance ratio. All manufacturers offer a 10-year warranty, which can be extended. We are happy to advise you on the products at any time.

Question 6

Does the PV system require regular maintenance?

Accepted Answer

No, but we recommend regular cleaning combined with a visual inspection to detect any potential damage. Otherwise, the monitoring system will keep an eye on the system.

Question 7

Does a battery even make sense?

Accepted Answer

Only by using a battery can you become independent of the power grid. Because in the event of a power outage or... A(http://bzw.in)t night, the battery provides the necessary power to operate without drawing energy from the grid. Furthermore, the battery is invaluable with flexible tariffs: when electricity is cheap, it can be charged to store that power during peak hours. Its modular design also allows for flexibility, enabling the battery to be expanded as needed. This is particularly important when energy consumption fluctuates, as the battery helps to better meet the household's own energy needs.

Question 8

What subsidies are currently available for the installation of a PV system?

Accepted Answer

Currently, there are no specific subsidies for purchasing a PV system. However, you can deduct the investment costs on your tax return and therefore pay less tax. Furthermore, some municipalities offer property tax benefits (up to 50% for a few years after installation), which can result in certain reductions depending on the PV system. Banks also offer discounted loans for PV system investments. We would be happy to advise you on this.

Question 9

What does bifacial mean?

Accepted Answer

Thanks to their double-sided glass construction, bifacial PV modules can absorb sunlight from both the front and the back. This enables more efficient use of sunlight and thus a higher energy yield.

Question 10

What is meant by Smart Energy?

Accepted Answer

The main goal here is to maximize self-consumption of the generated PV electricity. Therefore, certain innovative technologies are employed, such as boiler controls or charging options, to minimize the amount of surplus electricity fed into the grid. These devices typically pay for themselves very quickly, as they precisely identify excess electricity and efficiently redirect it for self-consumption.

Question 11

What types of PV systems are there?

Accepted Answer

• Grid-connected systems : This is the most common type of installation in urban areas. The house remains connected to the conventional power grid, using solar energy as the primary source and the grid as a backup. The sale of surplus electricity is secured through a feed-in agreement with the energy provider.

• Isolated off-grid solution : Ideal for rural areas without access to the power grid. A battery storage system is required to store and use the energy when the sun isn't shining, which significantly increases costs.

• Self-consumption installation with compensation : Similar to grid connection, but with a simplified compensation system that deducts the value of the excess energy from the electricity bill.

• Community facility : For residential buildings where several neighbors share the investment and benefits of a shared facility.

Question 12

How quickly does a PV system pay for itself?

Accepted Answer

This depends on several factors, namely the current electricity price, the orientation and number of panels, the roof angle, the equipment used, and any shading around the system. Generally speaking, however, a payback period of approximately 4-5 years is realistic. Using a battery extends the payback period by about one year. However, the self-consumption rate is significantly higher, and greater energy independence is also guaranteed.

Yes, it works!

Yes, it works!

Yes, it works!

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Frequently asked questions

How does a PV system work?

Why should I install a PV system?

Which modules are used?

How long does the installation usually take?

Which inverter is being used?

Does the PV system require regular maintenance?

Does a battery even make sense?

What subsidies are currently available for the installation of a PV system?

What does bifacial mean?

What is meant by Smart Energy?

What types of PV systems are there?

How quickly does a PV system pay for itself?

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