Currently it brings high charges across the country (5)

I believe the answer is:

pylon

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'country' is the definition.
Although both the answer and definition are singular nouns, I don't see how they can define each other.

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for pylon that I've seen before include "Electric cable support" , "Elec. cable tower" , "Electricity cable support" , "Power cable supporter" , "current supporter" .)

I've seen this clue in The Globe and Mail.

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