Nuclear Fusion Evergreen explainer · neutral data, no opinion
Fusion energy gain (Q)
Current verified value
4.1
What it measures
Energy out divided by energy in. Q=1 is scientific breakeven; a power plant needs Q well above 1. The single number for how close fusion is.
History
By actor
Awaiting verified data
Goal / baseline
now4.1
goalQ ≈ 10
baselinescientific breakeven Q=1
engineering gain a commercial power plant needs