Elegant and balanced, without unnecessary bloat. I like this a lot!

That's awesome mod

The more mods that add size-tiered power-producing blocks, the better!

English translation of description:
Advanced Fusion Reaction Energy Systems

Contains a fusion reactor that uses deuterium fuel, and an extractor that extracts deuterium fuel from rock and ice.

Advanced Fusion Reactor Large Block Size 1×1×1 Output Power 100MW Fuel Consumption Rate 0.03
Advanced Fusion Reactor Small Block Size 3×3×3 Output Power 40MW Fuel Consumption Rate 0.02
Advanced Fusion Reactor Large Large Block Size 3×3×3 Output Power 1GW Fuel Consumption Rate 0.1

Deuterium Fuel Extractor Large Block Size 1×2×1
Deuterium Fuel Extractor Large Large Block Size 2×3×1 Contains 6 Upgrade Interfaces

Deuterium Extraction Efficiency 10000 Stone Extraction 0.01 Deuterium Fuel 2000 Ice Extraction 0.1 Deuterium Fuel