© Caterva GmbH 2014. All rights reserved
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We Network the Sun
© Caterva GmbH 2014. All rights reserved
Date
PageWe Network the Sun
Distributed and Synched Storage Supports Energiewende...
Confidential © Caterva GmbH 2014. All rights reserved
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Page© Caterva GmbH 2014. All rights reserved
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PageWe Networ...
© Caterva GmbH 2014. All rights reserved
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Page© Caterva GmbH 2014. All rights reserved
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PageWe Network the Sun
11/...
© Caterva GmbH 2014. All rights reserved
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Page© Caterva GmbH 2014. All rights reserved
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PageWe Network the Sun
Sol...
© Caterva GmbH 2014. All rights reserved
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PageWe Network the Sun
Home Owners look for more independency
Direct use
Pow...
© Caterva GmbH 2014. All rights reserved
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PageWe Network the Sun
Supply and Demand need Balancing
The Grid frequency o...
© Caterva GmbH 2014. All rights reserved
Date
PageWe Network the Sun
Longterm stable power supply needs assured power
11/2...
© Caterva GmbH 2014. All rights reserved
Date
PageWe Network the Sun
Grid services today mostly provided by coal plants
11...
© Caterva GmbH 2014. All rights reserved
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PageWe Network the Sun
Supply and demand need to be matched every second
11/...
© Caterva GmbH 2014. All rights reserved
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Page
Decentralized Energy Systems have accumulated risks too
Frequency devia...
© Caterva GmbH 2014. All rights reserved
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Page
Disconnection of 5 GW wind power lead to severe activation
of Frequency...
© Caterva GmbH 2014. All rights reserved
Date
Page© Caterva GmbH 2014. All rights reserved
Date
PageWe Network the Sun
Gro...
© Caterva GmbH 2014. All rights reserved
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PageWe Network the Sun
Synching many ESS to a large swarm makes a business
A...
© Caterva GmbH 2014. All rights reserved
Date
PageWe Network the Sun
Small Storage has a symbiotic relation with private h...
© Caterva GmbH 2014. All rights reserved
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Page
Rents ESS, gains autarchy and cost reduction
Multi-Sided Business model...
© Caterva GmbH 2014. All rights reserved
Date
PageWe Network the Sun
Proof of Business Financed by Shareholders and Grant
...
© Caterva GmbH 2014. All rights reserved
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Page© Caterva GmbH 2014. All rights reserved
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PageWe Network the Sun
11/...
© Caterva GmbH 2014. All rights reserved
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Page
Dr. Roland Gersch, CTO
rg@caterva.de
Markus Brehler, CEO
mb@caterva.de
...
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Distributed energy storage combined with rooftop PV creates the Internet of power and generates Business for utilities

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  1. 1. © Caterva GmbH 2014. All rights reserved Date Page We Network the Sun
  2. 2. © Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Distributed and Synched Storage Supports Energiewende 11/25/2014 2 Caterva Operations Autarchy and green feeling for home owner Future proof service for grid operators (TSO) Utility as local service provider
  3. 3. Confidential © Caterva GmbH 2014. All rights reserved Date Page© Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun 11/25/2014 ESS working at home owner 3We Network the Sun
  4. 4. © Caterva GmbH 2014. All rights reserved Date Page© Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun 11/25/2014 4 Distributed energy supply and storage Based on a huge installed photovoltaic base where mandatory grid stability gets more difficult and storage systems are the key to the future Energy storage systems as business opportunity with a unique model to make storage profitable
  5. 5. © Caterva GmbH 2014. All rights reserved Date Page© Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Solar Power - Cheaper than Supply from Utilities for German Home Owner 5 PV levelized cost of energy excludes grid costs 0 10 20 30 40 50 60 70 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Solar feed-in tariff Germany (ct /kWh) End-user electricity cost (ct/kWh) PV levelized cost of energy (ct /kWh) PV power at lower cost than grid power 25ct 11/25/2014
  6. 6. © Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Home Owners look for more independency Direct use Power independent from sun shine Independence Storage owners gain independence and hedge power cost Emergency Power In case of grid black-out ESS will support power needs 11/25/2014 6 … but storage is currently hardly a profitable business left with that application
  7. 7. © Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Supply and Demand need Balancing The Grid frequency of 50Hz will slightly change, if supply deviates from demand 11/25/2014 7 Supply Demand< must always be equal > =
  8. 8. © Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Longterm stable power supply needs assured power 11/25/2014 8 Maximum load Germany Kernenergie: Nuclear power Braunkohle: Lignite Steinkohle: Coal Sonstige: others Erdgas: Gas Wasser: Water
  9. 9. © Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Grid services today mostly provided by coal plants 11/25/2014 9 Source: Fraunhofer
  10. 10. © Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Supply and demand need to be matched every second 11/25/2014 10 Power plant outage Frequency Containment Reserve Frequency Restoration R. Replacement R.
  11. 11. © Caterva GmbH 2014. All rights reserved Date Page Decentralized Energy Systems have accumulated risks too Frequency deviation on 28.10.2013, Storm „Christian“ Nominal frequency 49,85 49,90 49,95 50,00 50,05 50,10 50,15 0:00 2:24 4:48 7:12 9:36 12:00 14:24 16:48 19:12 21:36 0:00 Frequency/Hz We Network the Sun 11/25/2014 11
  12. 12. © Caterva GmbH 2014. All rights reserved Date Page Disconnection of 5 GW wind power lead to severe activation of Frequency Containment Reserve in Europe 11/25/2014 12 Frequency deviation on 28.10.2013, 17:00 – 18:40 Nominal frequency Full activation of FCR with 3 GW in Europe Activation of 2 GW FCR in Europe 49,75 49,80 49,85 49,90 49,95 50,00 50,05 50,10 17:00 17:14 17:28 17:43 17:57 18:12 18:26 18:40 Frequency/Hz We Network the Sun
  13. 13. © Caterva GmbH 2014. All rights reserved Date Page© Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Growth Potential in Europe is Five Times German Market 11/25/2014 13 Source: regelleistung.net, CRE (French NRA), ENTSO-E, RTE (French TSO) Total European market for FCR is about 3 GW Total German FCR market is about 600 MW or €100m31% 14% 20% 15% 20% 3 GW Germany Rest of Europe Italy France Spain
  14. 14. © Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Synching many ESS to a large swarm makes a business A large “swarm” serves the grid Balancing supply and demand is well paid Selling the aggregate power to TSOs ~60 Energy Storage Systems make One MW Regulation changed in 2011 – hurdle down to one MW 11/25/2014 14
  15. 15. © Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Small Storage has a symbiotic relation with private homes 11/25/2014 15 Private homes + Container Storage +
  16. 16. © Caterva GmbH 2014. All rights reserved Date Page Rents ESS, gains autarchy and cost reduction Multi-Sided Business model Optimizes Stake Holders 11/25/2014 16 Transmission System Operator (TSO) Caterva GmbH R&D / Services Caterva Operations Installs and operates ESS Participates Ownership III.. Returns Buys ESS from suppliers Owns ESS FCRRevn. Rent Utilities Ownership II Buys ESS from suppliers Owns ESS Ownership I Owns ESS Customer acquisition & retention, energy management Get new and competitive supplier for FCR We Network the Sun
  17. 17. © Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun Proof of Business Financed by Shareholders and Grant 11/25/2014 17  Project leader  Development  Owner of IPRs  Operates the swarm  Customer acquisition  Metering services  Energy Management  Control center operation  Financing of Caterva GmbH  Contribution of some IPRs  Supplier of power electronics  BayINVENT grant to co-finance the pilot phase with the first MW of ESS The first roll-out is sponsored by leading industry experts
  18. 18. © Caterva GmbH 2014. All rights reserved Date Page© Caterva GmbH 2014. All rights reserved Date PageWe Network the Sun 11/25/2014 18 Distributed energy supply and storage Based on a huge installed photovoltaic base where mandatory grid stability gets more difficult and storage systems are the key to the future Energy storage systems as business opportunity with a unique model to make storage profitable
  19. 19. © Caterva GmbH 2014. All rights reserved Date Page Dr. Roland Gersch, CTO rg@caterva.de Markus Brehler, CEO mb@caterva.de Gabriele Ellenrieder, IR ge@caterva.de www.caterva.de

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