Sustainable – Basics of Photovoltaics

Learning Objectives

1 Quiz

What processes on earth can you think of that are caused by sunlight and solar energy?

The sun – inexhaustible energy source

2 Topics | 1 Quiz

How much energy do we get from solar radiation?

What is the rated output of solar systems?

What is photovoltaic?

1 Topic | 1 Quiz

Photovoltaic effect

What types of solar cells are most efficient?

What advantages does photovoltaics offer?

What can be further developed?

Sources & Impress

Reflexion

Sustainable – Basics of Photovoltaics The sun – inexhaustible energy source Reflexion

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Question 1 of 4

1. Question
What does the abbreviation STC stand for?
- STC stands for "Standard Test Conditions" and describes the standardized conditions under which solar systems are tested. Standardisation enables different products to be compared with each other.
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Question 2 of 4

2. Question
What is meant by kWp?
- kWp stands for kilowatt peak. This indicates the rated output of solar systems, i.e. the output that is achieved under standard test conditions (STC).
- kWp stands for kilowatt price. This indicates the price per kW for the production of Photovoltaic Energy
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Question 3 of 4

3. Question
Why is it important to know the rated output of solar systems?
- It is not important to know the nominal power. You can compare the m2 of photovoltaic devices. This is by far enough to impress your neighbours.
- If you know the nominal power, you can compare different products. With the nominal power, further calculations can then be made.
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Question 4 of 4

4. Question
How much energy (in kWh) can a solar plant in Austria with a nominal output of 1 kWp produce per year approximately?
- A solar plant with a nominal output of 1 kWp can produce about 900-1,200 kWh per year in Austria. The exact amount of energy depends on factors such as: location, orientation, sunshine hours, temperature.
- A solar plant with a nominal output of 1 kWp can produce about 1,400-2,000 kWh per year in Austria. The exact amount of energy depends on factors such as: location, orientation, sunshine hours, temperature.
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