[spoilers]16x Rubber Wood (25K into Centrifuge) 45K from Methane. 8 Sticky Resin, 6 plantballs. 4 Carbon (Combine with 4 Hydrogen cells in Chemical Reactor for 5 methane cells.
4x Sticky Resin (6,500 into Centrifuge) 14 Rubber, 1 Plantball, 1 Compressed Plants
10x Redstone (110K into Centrifuge) 3 Mercury Cells, 1 Silicon Cell, 1 Chrome Dust, 1 Pyrite Dust
2x Cinnabar (12,800 into Electrolyzer) 1 Mercury Cells, 1 Sulfur
1x Copper Ingot (200 into Wiremill) 3 Copper Wire.[/spoilers]
The cost is a lot higher to make redstone into three mercury cells than it is to process six cinnabar into three of them, but you also get the difficult to acquire chrome. Plus the methane from the Rubber Wood pays for the cost of centrifuging the wood and the rubber. Turn the Carbon cells into Methane and it'll also pay for either the Redstone or Cinnabar, with extra. The cost of milling the Copper ingots is negligible.
That's about two million power out of it if you also process the carbon into Methane with Hydrogen.