Generators are used to generate the energy (RF) required by all the other machines and tools in Oritech.
The Basic Generator burns fuel (just like a furnace) and generates 32 RF/t.
The Lava Generator burns lava inserted with a fluid pipe. It has 2 addon slots and generates 64 RF/t.
The Bio Generator burns biomass. It has 2 addon slots and generates 64 RF/t.
The Large Solar Panel can generate between 32 RF/t and 224 RF/t, depending on the machine cores used.
The Fuel Generator burns crude oil or turbofuel. It has 2 addon slots and generates 256 RF/t.
For advanced energy generation, read Steam Engine.