Power - to - Fuel

sunfire – closing the carbon cycle Carl Berninghausen – CEO March 2012

Key Future Energy Issues

Biomass

Fossil fuel/gas

CO2 + H2O

Solar energy

Photosynthesis

sunfire is a 3-in-1 solution for some of the greatest challenges.

Renewable liquid fuel (Power - to – Fuel)

Energy storage/ grid load compensation (Power - to – Gas)

CO2-recycling (CCS-alternative)

=

Synthetic fuel/gas

Limited fossil resources

Intermittent electricity supply

Increasing CO2 level

2

Increasing Liquid Fuel Demand

OECD vs. non-OECD oil demand

3 Source: IEA – Medium-Term Oil & Gas Markets 2011

Increasing and Fluctuating Oil Price

4

Shift of supply to fewer countries and more expensive sources

Source: IEA – World Energy Outlook 2011

Lack of Viable Alternatives

-CH2-

H2 (400 bar) x 8

Li-Io Battery x 30

Fuel is the most compact energy carrier Required land use for EU biofuel supply 2020 (10%)

Rape:

Land need: 624.177 km2 France: 674.843 km2

Jatropha:

Land need: 438.210 km2 Germany & Austria: 440.990 km2

Palmoil:

Land need: 124.830 km2 England: 130.395 km2

Algae:

Land need: 12.656 km2 Schleswig-Holstein: 15.799 km2

Source: Joachim Buse (Lufthansa, 2010), Synthetische Biokraftstoffe im Luftverkehr - Einordnung und Chancen 5

1.4 bn people have no access to electricity

SunFire Process

Core component steam electrolysis (SOEC)

= reverse high-temperature fuel cell (SOFC)

Peak load compensation

6

Intelligent process layout using state-of-the-art

conversion and synthesis Process efficiency: ~70% (electricity to -CH2-)

Steam Electrolysis Conversion Grid Synthesis Renewable

Premium fuel and gas without biomass

Electricity (100%)

Steam- vs. Water-Electrolysis

Hydrogen

Steam

Water

Syngas

Fuel

Exhaust Gas Heat (16%)

CO2

Electricity (84%)

7

Continuous operation –

no dependency on surplus energy

Better plant utilization

Energy efficiency up 10%

Heat

Business Case

8

Power-to-Gas

P: - 25 MW

I: - 30 € M

C: ~ 0,10 €/kWh

Power-to-Liquids

P: - 25 MW

I: - 40 € M

C: ~ 2,50 €/l

•  waxes, lubricants, etc.

•  demo plants

Power-to-Liquids

P: > 100 MW

I: > 125 € M

C: ~ 1,02 €/l

Power-to-Gas

- 1 MW

•  demo plants

Business Case

9

Cost per Liter (excl. Tax)

Energy 0,69 €/l

Capex 0,17 €/l

Opex 0,08 €/l

Transport & Distribution 0,08 €/l

Total 1,02 €/l

Ø Cost after Delivery (€/l)

Cost Comparison (€/l)

0.00 €/l

0.50 €/l

1.00 €/l

1.50 €/l

2.00 €/l

2.50 €/l

100.00 $/bbl 120.00 $/bbl 140.00 $/bbl 160.00 $/bbl 180.00 $/bbl 200.00 $/bbl

Fossil Diesel Price

SF-Diesel Cost

SF-Price incl. Ecodifferential + 50% Tax Release

SF-Price incl. Ecodifferential

sunfire GmbH Gasanstalstraße 2 01237 Dresden Germany T: +49 (0) 351 89 67 97 989 F: +49 (0) 351 89 67 97 868 W: www.sunfire.de