New technologies, systems, societal organization and policies for energy saving are
urgently needed in the context of accelerated climate change, the Ukraine conflict and the …

Levelized cost of electricity (LCOE) is widely used to compare the cost of different electricity
generation technologies. However, with the increasing penetration of variable renewable …

Research on 100% renewable energy systems is a relatively recent phenomenon. It was
initiated in the mid-1970s, catalyzed by skyrocketing oil prices. Since the mid-2000s, it has …

Global warming, air pollution, and energy insecurity are three of the greatest problems
facing humanity. Roadmaps are developed and grid analyses are performed here for 145 …

The need for storage in electricity systems is increasing because large amounts of variable
solar and wind generation capacity are being deployed. About two thirds of net global …

The global energy transition is a widespread phenomenon that requires international
exchange of experiences and mutual learning. Germany's success in its first phase of …

Germany has set ambitious policies for increasing renewable energy shares and
decommissioning nuclear energy, but there are certain scientific gaps on how this transition …

Summary The United States electricity grid is undergoing rapid changes in response to the
sustained low price of natural gas, the falling cost of electricity from variable renewable …

HVDC systems are playing an increasingly significant role in energy transmission due to
their technical and economic superiority over HVAC systems for long distance transmission …

This article shows that research in the design of 100% renewable energy systems in
scientific articles is fairly new but has gained increasing attention in recent years. In total …