Board Thread:Questions and Answers/@comment-142.68.143.13-20130324115226/@comment-125.237.127.75-20131001231702

I would say that 500 Geothermal generators would be very efficient. My friend on a server said that 500 geothermal generators cost less than 1 HV solar and makes way more energy. You'll need to consider lava cells in account though. EE and RedPower can fix that problem though.