Presentation by Juan Sebastian Alvarez, AquaBattery B.V., at the Data Science Symposium, during Delft Software Days - Edition 2019. Thursday, 14 November 2019, Delft.

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Partners Meeting @ The
Green Village 13/06/18
Blue Battery – storage in fresh & salt water
Juan Sebastián Álvarez
Blue Battery: sustainable
energy storage for smart
communities
Novel Electrical Energy Storage SystemNovel Electrical Energy Storage System
Senior R&D Engineer and Project Manager

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Outline
• Storage of electricity
• Blue Battery
• Microgrid
• Blue Battery + CaPP +Micrgrid at TGV

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Storage of electricity

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Storage of electricity

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Storage of electricity
• Energy generation from sustainable energy sources
fluctuating and inpredictable
Summer Winter

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Traditional storage
• Geographically limited
• Expensive
• Non-scalability
• Toxic & Unsafe
Storage of electricity

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Storage of electricity
Energy problem of the future: Sustainable electricity storage

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Blue Battery

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Technology
Fresh
water
Salt
water
1000m

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Blue Battery
• Capacity medium cheap, conversion expensive
→ ideal for medium-term storage (day / week)
• Fast growing segment (buffering solar – wind)
Module size
1 min
1 hr
1 day
1 mon
Li-ion battery
Pumped
hydropower
Redox flow
battery
Compressed air
Power-to-gas
1 kWh 1 MWh 1 GWh
Metal-air
battery
Hydrogen-carDischargetime
Blue Battery

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Key points Blue Battery
✓No geographical limitations
Inexpensive and abundant raw
materials
Non-flammable and not explosive

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Potential markets
Building utilities & OfficesRemote communities Solar & Wind parks Islands
1. Improving efficiency of renewable energy technologies
2. Increasing self-consumption of electricity
3. Improved quality of electricity

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Microgrid ‘Smart communities’

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https://www.sdelcc.com/fields/energy/smart-grid/
Grid Operator
Prosumers
Energy Storage

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Grid Operator
✓ Responsible for operating, ensuring the maintenance of and, if necessary,
developing the distribution system

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Prosumer
✓ Consume and produce electricity, could dramatically change the electricity
system both consume and produce electricity.

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Energy storage

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Blue Battery + CaPP +Microgrid @ TGV

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Microgrid controller @ TGV
• Connects and balances the local energy supply and demand
via a multi-commodity and modular software tool.

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Data platform @ TGV

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Prosumers@ TGV

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Blue Battery Pilot @ TGV

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Blue Battery Pilot @ TGV
Battery Management System (BMS)

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Car as Power Plant (CaPP) @ TGV

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Car as Power Plant (CaPP) @ TGV

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Blue Battery + CaPP + microgid @ TGV

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Microgrid goals
a) Use electricity that is generated in the area in order to save costs for
electricity (i.e. in the post-net metering era)
b) Increase autonomous power flows
c) Decrease the capacity of the connection to the main electricity grid in
order to reduce private costs, maximize grid utilization and prevent expensive
or time-consuming grid investments

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Partners

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Thank you for your attention!
js.alvarez@aquabattery.nl