Natural gas is easier on the environment than other fossil fuels, releasing up to fifty percent less emissions. Large players on the gas market in Germany include RWE Dea and E.ON Ruhrgas. Consumers across the Ruhr Metropolis are free to choose between many suppliers. However, a large majority of residents rely on a local city owned and run utility.

The use of gas in Germany as a power source stretches back a long way. Nowadays, gas stems from national sources in Germany as well as other countries. The fracking technique is highly controversial with disputes ongoing. Focus is turning to a neutral climate effect.