When you think of swashbuckling financial fancy footwork, you tend to think about the telecoms business, perhaps the emergence of Vodafone as a global force, or the 200 acquisitions that helped Cisco claim that it powers the internet. But in future it will be the companies that made the boldest moves in the energy transition, and this week RWE made it clear that it wants to stake a claim. Coming in for a $6.8 billion purchase of the renewables arm of Consolidated Edison, it landed this deal at a cut-price 11X of EBITDA and adds 500 employees to its US workforce, and potentially pushes itself into contention as the largest renewables company in the US, or possibly outside of China.…