Siemens’s new energy spin-off, aptly named Siemens Energy, went public this week, listing on the Frankfurt Stock Exchange with an initial value of €16 billion. Since its IPO, with an opening price of €22.01 per share, the stock fell to €20.46, before rising to around €23.00 today, highlighting how difficult investors are finding it to evaluate a company with established presence in both fossil fuels and renewables. The company has maintained an agnostic approach through its aim to manage generation and transmission infrastructure within energy systems, but while many are suggesting that it is a step away from Siemens’ business in gas turbines, it’s Vision 2020+ strategy concept may simply be a way of hiding it behind pictures of wind…