This is an efficiency based factory. With the modular system, you can acquire up to 400% efficiency.
Base requirements: 120 power, 40/s Slag, and 1/s Silicon.
400% (MAX) requirements: 480 power, 160/s Slag (2x Liquid Pump.), and 1/s Silicon (1 Arc Furnace) Use the Electrolyzers contained in the modular system to assist with the Slag production.