Plasma: 4.96M°С hot!
Effectiveness: x 5
Constant effectiveness is gained by
- Precise fluoroketone volume (42 barrels)
- Fusion reactors' synchronicity (due to coolant portioned by barrel/unbarrel devices)
P.S. there is no /power/fusion/ tag in this service.
P.P.S. Reddit thread: https://www.reddit.com/r/factorio/comments/1j6hj0p/the_most_effective_fusion_power_plant_ever_steady/