What does the term "geothermal energy plant" mean?

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hi,

What does the term “geothermal energy plant” mean?
I do understand the meaning of the three single words but I don’t get what kind of plant it is :shock:

2

I think a geothermal energy plant is a power plant where geothermal energy (heat energy in the earth) is used to generate electricity.

3

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And HERE’S a photo of one.
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