erzeugen
to generate
To make, produce, or create something through a physical, chemical, or technical process.
Windkraftanlagen erzeugen umweltfreundlichen Strom.
Wind turbines generate environmentally friendly electricity.

to generate
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to generate
To make, produce, or create something through a physical, chemical, or technical process.
Windkraftanlagen erzeugen umweltfreundlichen Strom.
Wind turbines generate environmentally friendly electricity.

'Erzeugen' (to generate/create) is an inseparable verb. The prefix 'er-' always stays attached to the verb stem and often emphasizes the successful creation of something new.
Die Maschine erzeugt ein lautes Geräusch.
The machine generates a loud noise.
The object of the verb indicates the meaning. If it is something technical or physical like 'Strom' (electricity) or 'Produkte' (products), the first meaning is intended. With abstract things like 'Eindruck' (impression) or 'Gefühl' (feeling), the second meaning is intended.
Das Kraftwerk erzeugt Energie für die ganze Stadt.
The power plant generates energy for the whole city.
'Erzeugen' (to generate/create) is a rather formal word that is often used in technical, scientific, or written contexts.
Durch die chemische Reaktion wird Wärme erzeugt.
Heat is generated by the chemical reaction.
to do / make
'machen' and 'erzeugen' can both mean that something is created or caused. 'machen' is very general and very common in everyday language. You can use it to talk about making things or causing feelings. 'erzeugen' sounds more precise and often more technical or factual. It fits well with energy, heat, noises, effects, or impressions. When speaking simply and generally, 'machen' is more natural. When you want to describe the process or the effect more precisely, 'erzeugen' fits better.

Die neue Maschine erzeugt weniger Lärm als die alte.
The new machine generates less noise than the old one.
Am Morgen macht ihr frischen Kaffee für die Gäste.
In the morning, you make fresh coffee for the guests.