Nowadays, a process can be observed in Germany where electricity producing and trading firms react to the electricity market liberalisation by merging market shares, since the year 2000, which reduces the number of suppliers and influences production and consumer prices. This paper discusses...

Since the electricity market was liberalized at the end of the last century, the authorities no longer fix prices, and there is now a variable price determined by the market. Every system has its own price-forming process. However, these systems are not completely isolated. It is possible to...