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Smart Grid at EKZ Michael Koller, March 3rd 2015
§ 2007 – 2010 BSc Chemistry ETH § 2010 – 2013 MSc Energy Science and Technology ETH
Internship at EKZ 2011 – 2012
§ Since 2013 EKZ as “Energy Storage Specialist”
Michael Koller
2 Michael Koller, EKZ / MEST Info 2015
Providing safe, reliable electricity
§ One of the largest power providers in Switzerland
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“EKZ delivers cost-effective, reliable and environmentally friendly electricity to around one million people.”
Key figures
Sales (CHF million)
Electricity distributed (GWh)
Net investment (CHF million)
Total assets (CHF million)
Headcount
Apprentices
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2013/14
830.0
4962
117.4
2124.2
1486
172
EKZ distribution grid
The EKZ distribution grid supplies electricity to a large part of the Kanton of Zurich § Medium and Low Voltage grid
planning and operation § 37 primary substations § 2500 secondary substations § 14‘500 km of cables and
overhead lines § Grid Control Center in Dietikon § EKZ HQ in Downtown ZH
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§ 235 GWh wind power production in Europe (2012/2013: 158 GWh)
§ 4 MWp installed PV capacity in CH § 100% renewable electricity for residential
costumers since 2015 (mostly hydro)
Strong Commitment to Renewables
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The Zurich 1 MW BESS
Michael Koller, EKZ / MEST Info 2015
Inverter 1 MVA
Battery Container
Transformer
Coupling Transformer
7
EKZ’s Smart Grid Lab
Michael Koller, EKZ / MEST Info 2015
EKZ Smart Grid Lab
Battery Storage
Demand Side Management
Real time PV power predictions
Grid Expansion deferral
Microgrids Islanded operation
Load flow calculations incl. Smart Grid concepts
Ancillary services / frequency regulation
Power Quality
PV test plant
8
Smart Grid Lab collaborators
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Thank you Michael Koller Energy Storage Specialist [email protected]
10 Michael Koller, EKZ / MEST Info 2015