7 MW. Fuji Rock Festival — what's behind it?
25 megawatts. Just for the main stage. Fuji Rock Festival: MW, in Naeba, Niigata Prefecture, Japan. From Stromfee Music Festivals report.

What's behind it
100,000 fans on Mount Fuji — 7 MW in the forest, no grid, all generators.

Location & Technology
Operator:
Location: Naeba, Niigata Prefecture, Japan
Power: MW

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