Energy
Energy
Energy
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Large Scale <strong>Energy</strong> Storage<br />
Options to address `grid storage´<br />
segmentation of large-scale (electrical) energy storage<br />
Power [MW]<br />
10 4<br />
0,1 1 10 100 1.000<br />
Page 4<br />
0,001 0,01<br />
electric<br />
vehicles<br />
supercaps<br />
Li-ion<br />
SuperCaps<br />
lead-acid<br />
Na/S<br />
<strong>Energy</strong><br />
1 sec<br />
single<br />
wind turbine<br />
windpark<br />
Redox-Flow-Batteries<br />
[MWh]<br />
are limited<br />
1 min<br />
CAES<br />
pumped<br />
hydro<br />
hydrogen<br />
1 h<br />
all data averaged<br />
1 d<br />
1 d<br />
0,01 0,1 1 10 100 1.000 104 0,001 105 Hydrogen is the option to cover energy capacities > 10 GWh<br />
1 m<br />
key statements:<br />
Battery storage applications<br />
are limited in the hour range<br />
<strong>Energy</strong> storage >100 MW can<br />
only be addressed by<br />
Pumped Hydro, Compressed<br />
Air (CAES) and Hydrogen<br />
The potential to extend<br />
pumped hydro capacities is<br />
very limited<br />
CAES has limitations in<br />
operational flexibility and<br />
capacity<br />
© Siemens AG 2011. All rights reserved
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