Is there a rule in English regarding when to use the word "energy" and when to use "power"?

For example:


  
  I don't have the energy to deal with the problem now.
  It takes a lot of brain power to understand the problem.
  



Question: Dumping Stack Overflow to a private network
Answer: The answer is no, because the SE engine is not publicly available.

IIRC the engine was commercially available, but no longer.

These clones may help you, many of them are open-source

But they most probably rely on a different DB model, so you would have to do a major revamp of the dumps  and import.