The wind energy sector uses a mature yet continuously improving technology. The reliability of wind turbines and the efficiency of energy capture are both high, yet continue to improve with new designs, new components and new materials. Even non-technological aspects such as project management,...

Flexible electricity systems allow a higher penetration of variable renewable energy, and flexibility can be achieved through pumped hydropower storage (PHS). This assessment of European PHS potential focuses on linking two existing reservoirs to form a PHS system, the reservoirs must have...

This paper analyses potential supporting schemes for pumped hydro storage (PHS) facilities in Croatia, which would guarantee recovery of the investment cost, with feed-in tariffs – for instance – which would guarantee payment for discharging wind-originated power as a reward for boosting the...

The substantial increase in power generation from variable renewable sources has led to renewed interest in energy storage. Pumped hydropower remains the only mature and widely-adopted utility-scale energy storage technology. However, the selection and development of new pumped hydropower sites...

The aim of the paper is to analyse the evolution of wind turbine concepts or topologies with a specific focus on their power electronics content, and to demonstrate the tendency of wind turbine manufacturers towards the development of generators connected to the grid by means of power...

This work provides an update of the state-of-the-art on energy security relating to critical infrastructure protection. For this purpose, this survey is based upon the conceptual view of OECD countries, and specifically in accordance with EU Directive 114/08/EC on the identification and...