The document discusses the need for renewable energy sources, energy storage, and new control strategies to create a stable electricity grid based on renewable energies. It notes European targets for increasing the percentage of energy from renewable sources over time. It also describes sodium sulfur (NaS) battery technology as a potential energy storage solution, highlighting its high energy density, capacity, life expectancy, efficiency and other advantages over lead-acid batteries.

1. Let the fossils rest in peace

2. Obrigado!

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4. VISION: Future energy supply shall rely on
Renewable Energy ( RE) worldwide
Example: European RE targets (20% in 2020, 30% in 2030, ….)
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5. NaS Battery Features
High Energy Density About 3 x that of Lead-Acid
High Capacity Up to 6 Hours continuous discharging
Long Expected Life Up to15 years, 4500 cycles
High Energy Efficiency 85% DC Efficiency
No Self Discharge
No Memory Effect
Proven Technology 270 MWinstallation records
Easy Maintenance Inspection every 3 years only
Fast Response 2 ms
Operating Temperature 300 °C