VOSS Solar Storage“The Midnight Sun ”

Photovoltaic Solar:The Cheapest Energy!

• 0.5 €/Wc• 2,000 h/year• 25 years• = 0.01 €/kWh

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Nat. Gas Coal Nuclear PV Solar

A Phenomenal Abundance!

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One Problem: Intermittence

Storage is indispensable

“Electricity cannot be stored”

Technology LeadBattery

Lithium Battery

Investment Cost (€/kWh) 200 € 400 €

Life (Eq. full cycles) 1 500 4 000

Storage Cost (€/kWh) 0.13 € 0.10 €

Battery Life is too short!0

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Lead Battery Lithium Battery PV Solar

Flywheels have unlimited Life…

… but are too expensive!

An extraordinary Material…Material Steel Carbon Fiber Concrete

Usable Strength

σ (MPa)300 1 000 50

Densityρ (kg/m3)

7 800 1 800 2 400

Flywheel Shape

F1 2 1

Cost

P (€/t)2 000 20 000 80

Material Costρ.F.P/σ (€/kWh)

190 260 13

… but unusable so far!

VOSSFrench “Volant de Stockage Solaire”Solar Storage Flywheel

Concrete Flywheel

Filament Winding

Special Motor/Alternator

Ball Bearings

Magnetic Thrust Bearing

“Now Electricity can be stored”Technology Lead

BatteryLithium Battery

VOSS Concrete Flywheel

Investment Cost (€/kWh) 200 € 400 € 200 €

Life (Eq. full cycles) 1 500 4 000 Unlimited

Storage Cost (€/kWh) 0.13 € 0.10 € 0.02 €

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Lead Battery Lithium Battery ConcreteFlywheel

PV Solar

VOSS

Business Case: SOLANA

Cost: 2 000 M$

Cost: 700 M$

Photovoltaic Solar + VOSS

TEAM• André GENNESSEAUX

– CEO & CTO

– Engineer

– 25 patents

• Anne GENNESSEAUX– President

• Julien CLAEYS– R&D Engineer

• Olivier FOURNIER– Marketing & Communication

Project Planning

• 2015 Alpha prototype

• 2016 Beta prototype

• 2017 Beta Tests

• 2018 Start of Production

VOSS Solar Storage“The Midnight Sun”