The strategy consultancy Oliver Wyman states in a study that the coal phase-out could lead to an enormous increase in electricity prices and endanger the security of supply. For economic reasons, gas-fired power plants must now be increasingly used. Is it a coincidence that this so closely supports the opinion of the Federal Ministry for Economic Affairs and Energy that natural gas is vital?

More than 70 percent of all PV systems connected to the grid now have a battery-storage system. Why? Because more and more cost-effective batteries ensure that solar power is also available after sundown. Anywhere in the world. Even in your home?

The world of energy is changing: PV systems are becoming increasingly common on roofs in cities and rural areas and...

Despite the valid criticism, the two important climate events that took place last week – the presentation of the German Federal Government’s climate package and the results of the UN Climate Action Summit – represent a start, at least in some areas. It is now a question of maintaining pressure to give us a chance of achieving the 1.5-degree goal.