Session II. Power to Gas. Nov 26, 2015

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1 Session II Power to Gas Nov 26, 2015

2 René Schoof Innovative Energy Storage WindGas Hamburg Session II Power to Gas

3 Reasons for energy storage increasing variable generation always been fluctuating demand

4 Flexibility from Generation Grids Power Storage Wind/Solar-to-Power Gas Heat Power-to-Power Gas-to-Power/Heat Power-to-Gas Coal-to-Power/Heat Power-to-Heat Demand / decentralized generation Residential Mobility SME Industry

5 Minimum required power (MW) Flexibility demand needs different storage technologies Needed & already today available Storage technologies for Generation Trading/Grids Customer >200 <200 <30 Large-scale Slow-reaction <5 <2 Fast-reaction Other small-scale <1 0 0 <15 sec <30 sec <1 min <1.5 min <5 min <10 min <30 min >30 min Required response time

6 Different capabilities & applications in h PSP Power to Gas CH 4 Time 10 1 Batteries CAES H 2 0,1 0,01 0,001 Flywheel DVGW-Project G Energiespeicherkonzepte 1kWh 10kWh 100kWh 1MWh 10MWh 100MWh 1GWh 10GWh 100GWh 1TWh 100TWh Energy

7 Power to Gas connects markets Certificate Power Power Grid Electrolysis H 2 Certificate Gas CH 4,Bio CO 2 SNG 3 Power Heating Mobility Industry Power Heating Mobility Industry Natural Gas & Renewable Gas Renewable Hydrogen

Comparing the energy content Vessel, 150.

8 Comparing the energy content Vessel, t Hard coal, 540 GWh el Period over which a 800 MW generation plant can be fueled 35 d Gas Storage: 260 GWh 17 d Hydrogen storage: 84 GWh 5 d PSP Waldeck: total 4,3 GWh 6 h CAES Huntorf 0,9 GWh 1,4 h Assumption: - for hydrogen and UGS respectively small size caverns of m 3 volume (=Huntorf), - Efficiency gas generation: 0,6

9 Comparison of of 1 GW (1000 MW) transport capacity corresponding to the power of an large scale power plant or peak power of 200 wind turbine Transmission grid Pipeline (0,6 m of diameter)

10 Prerequisites for Energy Storage Storages represent a fourth element in the energy system = they are neither generation, nor network, nor consumers. The regulatory framework for storages should be technology open. = Power-to-Power, Power-to-Gas, Power-to-Heat = part of the competitive market Reduction of investment costs = cost reduction Storages should be relieved from grid tariffs, charges and/or taxes = no burdens for innovation prior economic efficiency Direct marketing = customer interest

11 European discussion Green Hydrogen as an Advanced Biofuel in the mobility sector (FQD, RED) Energy Storage Definitition Ownership-Question for Energy Storages Quotas for hydrogen in the gas grid

Example: Power to Gas pilot "WindGas Falkenhagen" Key Parameters Power: 2 MW el Hydrogen production: 360 m³/h Fed into the local gas grid (ONTRAS Gastransport) Start of construction: 08/20/2012;

12 Example: Power to Gas pilot "WindGas Falkenhagen" Key Parameters Power: 2 MW el Hydrogen production: 360 m³/h Fed into the local gas grid (ONTRAS Gastransport) Start of construction: 08/20/2012; Start of operation 08/28/2013 Owner is E.ON Gas Storage Goals Demonstration of the process chain Optimize operational concept (fluctuating power from wind vs. changing gas feed) Gain experience in technology, costs, consenting In cooperation with

de/windgas Customer segment Wholesaler Regional focus Switzerland Composition 100% WindGas Application sustainable gas for heating, cooking &

13 Example: Power to Gas pilot "WindGas Falkenhagen" First WindGas products on the market Customer segment End-customer Regional focus Germany Composition 10% WindGas, 90% natural gas Application sustainable gas for heating & cooking Customer segment Wholesaler Regional focus Switzerland Composition 100% WindGas Application sustainable gas for heating, cooking & industry Customer segment End-customer Regional focus Czech Republic Composition WindGas share in E.ON Czech CNG portfolio Application sustainable gas for CNG mobility

14 Example: WindGas Hamburg Key Parameters Public funding from BMVDI Power: 1.5 MW el (stack) Hydrogen production: 290 m³/h Fed into the local gas grid Planned start of operation: 2015 Goals Utilization of high efficient Proton Exchange Membrane electrolysis (PEM) Funding & Partners Demonstration within E.ON infrastructure Business development

15 Example: Project WindGas Hamburg 15

16 Example: Project WindGas Hamburg 16

17 140 cm 50 cm Breakthrough in Stack Power Density 1 MW Industrial GEN2 Electrolyser 1 MW GEN3 Electrolyser = 49 cm Quelle: Hydrogenics GmbH

18 18 Systemlayout 1,5 MW PEM Elektrolyzer Quelle: Hydrogenics GmbH

19 Hydrogenics 1.5 MW single Stack PEM WE Quelle: Hydrogenics GmbH 19

20 Preliminary Performance Data 140 kw 375 kw 560 kw 750 kw Quelle: Hydrogenics GmbH

21 Confidential Do not duplicate or distribute without written permission from Hydrogenics Corporation 21 Possible Design of a Multi-MW Power-to-Gas Plant Compact Plant Footprint Quelle: Hydrogenics GmbH

Summary For integration of a steadily increasing share of renewable

Energy storage technologies can couple the power, heat and gas

Storage solutions are required for the integration of renewable

22 Summary For integration of a steadily increasing share of renewable energy, grid extension and demand side management and flexible generation and storage are needed. Different storage technologies render different services. Energy storage technologies can couple the power, heat and gas market. Storage solutions are required for the integration of renewable energy, but will only come if a regulatory level playing field with other flexibility options is developed. Energy storage demonstrations show that a good basis for public acceptance is given.

23 Contact E.ON Gas Storage GmbH Ruhrallee Essen Germany Dipl.-Ing. (FH) René Schoof Head of Energy Storage Technology T E.

26 th World Gas Conference

26 th World Gas Conference 1 5 June 2015 Paris, France WOC 5 4 First commercial POWER TO GAS- Project in Germany Dr. Peter Klingenberger E.ON Gas Storage GmbH and E.ON Innovation Center Motivation for