Independent regulatory authorities are a basic prerequisite for a successful liberalization process. However, contrary to what is expected, both graphical analyses and OLS regressions for a small sample of electricity and gas regulators operating in 16 European countries reveal a negative...

We discuss the implications of two price zones, i.e. one northern and southern bidding area, on the German electricity market. In the northern zone, continuous capacity additions with low variable costs cause large regional supply surpluses in the market dispatch while conventional capacity...