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eCars in the Smart Grid

Siemens AGNrnberg, 04-May-2010

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Electric cars are on the way

Page 2 February 2010

Siemens AG

Energy Sector

Is there an impact on the infrastructure ?

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Siemens AG

Energy Sector

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Impact on LV and MV Grid

> 110 kV

,Swapping Stations Parking garage Renewables

TransmissionSystem

TURBO PowerTURBO PowerTURBO PowerTURBO Power

MV-Swgr10 kV / 20 kV

Solutions needed for control ofload flow and ower ualit

PrimaryMV DistributionSystem

Load Flow

Ring Main

e.g.Distribution Management Systems / Virtual Power Plants

Power ElectronicsSystem Planning

SecondaryMV DistributionSystem

LV-Switchgear

0,4 kV

LV

Load Flow


Siemens AG

Energy Sector

DistributionSystem

E-car < 10 kWp Solar < 200 kWp CHP*< 50 kVA* Combined Heat and

Power

E-Car Charging Spot

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Mobility facts

Facts from statistics

Cars are parked 23 hours a day

Dependent on car type 10 30 kWh are needed for 100km

Reduced fuel costs: Electrical 2-6 (20ct/kWh) vs. 7,50-12,00 (5-8l/100km, 1,50/l)

Average distance a day:

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Charging scenarios

1. Plugged in at home (long charging period):

orma soc et max 3 : u y c arge a ter ~10 ours

3 phase socket max 10 kW: Fully charged after ~3 hours

2. Plugged in at service provider (parking time 1 to 6 h)

3 phase socket: 3 kW to 44 kW

3. Service at electrical gas station (recharging in < 20 min)

Exchange battery

Fast Charging up to 240 kW


Siemens AG

Energy Sector

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Scenario 1:

Just imagine .In a bi cit 200.000 cars et lu ed inat the same time period (5-8 p.m.) and

get charged for about 5 hours.

3 phase

=

~

,

Additional load for the grid200.000 x 3 kW = 600 MW or 3 GWh


Siemens AG

Energy Sector

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Scenario 1:

With smart grid box:n a g c y . cars ge p ugge n

at the same time period (5-8 p.m.) andget charged for about 5 hours.

=

~

Internet

*) Energy buffer for private

The additional necessary 3 GWhare distributed over the off-peak period


Siemens AG

Energy Sector

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Scenario 2: Plugged in at service provider

. .

Just imagine~ n a g mu s orey car par cars

get plugged in at the same time period(8-9 a.m.) and get charged for about 5hours.

=

3 MW 3 MW

Additional load for the grid:1000 x 3 kW = 3 MW or 15 MWh

LV City grid


Siemens AG

Energy Sector

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Scenario 2: Plugged in at service provider

. .

With smart grid storage~ n a g mu s orey car par cars

get plugged in at the same time period(8-9 a.m.) and get charged for about 5hours.

=

The load of 15 MWh is shifted to offpeak periodEnergy

storageEnergystorage

MV Cit ridSMART

MVSWGR


Siemens AG

Energy Sector

Necessary infrastructure

MV substation

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Scenario 3: Service at electrical gas station

24 h a day RechargingIn a big electrical gas station 1.000 cars per daycars nee to e rec arge w t .

Recharging time must be < 20 minutes

Up to600 VDC400 A

ur o c arg ng c arg ng: ~ m :Today: 500 V DC, 125 A (Mitsubishi, Nissan, ..)

Approx 80 % of a Li-Ion batterys capacity cane rec arge n m nu es epen e on

charging characteristic)

Energystorage

Energystorage

SMART

MVSWGR


Siemens AG

Energy Sector

Necessary infrastructure

MV City gridMV substation

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Lets look at the facts:

is an electrical storage system is connected 23 hours a day to the grid with 10kW. offers in average a capacity of 30 kWh

Just imagine .1.000.000 cars are connected to the grid with 10 kW: This is a power station with max 10.000.000 kW = 10 GW.

This is comparable to 8 nuclear power stations with 1.2 GW

This would give a capacity of 30.000.000 kWh = 30 GWh:

Questions: Would the car owners allow that at all?


Siemens AG

Energy Sector

ow muc o e r s orage wou car owners ren ou o u es How could new business models look like and how could we participate

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What could we do with a vehicle based virtual power plant which is:

completely decentralized

highly available

close to the energy consumers

We could:

Support the grid in high peak times

Avoid unnecessary energy transport through the grid

Make more efficient use of renewable energy (wind and solar power)

What would it mean to the grid:

LV and MV grid has partly to be redesigned


Siemens AG

Energy Sector

e smart gr as to ecome rea ty

Fixed and mobile energy storage technology is the new important component in the grid.

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DE


Siemens AG

Energy Sector

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Actual trends lead to the development of a new

-

Trends The e-Car ecosystem

Boom of Mega-Cities with aneed of greendrivin

New

Player

Need to reduce

dependency onoil resources

Utility e-Car

e-car serv ceproviders

Increasingenvironmentalawareness and 84,9

80,9Combustion and Hybrid cars

Car Market World [Total new car units in m.]

regu a ons supporCO2 free solutions

Advanced battery

,

(7%)4,0(5%)

,

2,3(3%)

75,31,5(2%)

72,31,1

(2%)

68,90,6

(1%)

65,40,5

(1%)

61,60,3

(1%)

59,10,1

(0%)

56,80,1

(0%)

Fully electrical cars


Siemens AG

Energy Sector

2020201920182017201620152014201320122011

Source: E D MV 3 Business case

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Pilots and close cooperation with customers are

Product positioning:- Home/Public charging + IT (via pilots and lead customer)

-- selected countries in EU, USA, Asia

introduction

( 2010 2014): Goal: Position Siemens as the provider of anintegrated e-car & infrastructure solution

Market

Products positioning:- Home charging (commodity)

- Public/Work charging (solution business)

(2015- 2019)

- Regions:

- Broader approach in Europe, USA, Asia

Massmarket

Products positioning:- Home charging (commodity)- Public/Work charging (solution business)- Fast charging (via pilots and lead customer)


Siemens AG

Energy Sector

IT Infrastructure (solution business)

Regions:

- Worldwide rolloutSource: Expert interviews

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Portfolio Elements

Domain 1:Domain 3:

Inte ration with a central O eration CenterDomain 4:

ntegrat on w t t e gr Charging infrastructure Management Smart Grid Integration Billing systems

Service Desks / Back Office Systems Traffic Management Fleet Management & Navigation

other

Infrastructures

Security and Access Management Service and Maintenance

System Operation

Parking

oma n :Integration with the EVEnergy Management

Building

Grid Inte ration


Siemens AG

Energy Sector

Communication

Power

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Siemens Portfolio for eCar Infrastructures

Integrated charging, energy supply and parking,-

Integrated solutions for the management ofchar in infrastructures ener demand traffic ,and fleets

Support in all project phases

Grid andTraffic Planning

ConstructionSystem

Operation

Serviceand

Maintenance

Wall boxar par sys ems

Charging infrastructure Management

Smart Grid Integration Billing systems

Energy Management

Integrated eCar Infrastructure Solutions and Services

erv ce es s ac ce ys ems

Traffic Management Fleet Management & Navigation

Security and Access Management Service and Maintenance

System Operation


Siemens AG

Energy Sector

Charging pole

AC/DCMulti space parking metersLV and MV distribution

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Siemens can offer the full scope for

New ServicesHardware / Embedded software Energy Management and Control System Mgmt.

Business & Value Addedarg ng

Station

(HW andembedded SW)

Inline Module

argerNetwork

Control

EnergyDistribution

Mana ement

marGrid

Integration

Demand SideManagement

owerGrid

Extension

Home Grid

Infrastructure

OperationSupport

Enterprise ResourcePlannin

Services

Fleet ManagementTraffic Management

Navigation

Content Distribution

Wall Box

Simple ACCharging Pole

DC ChargingPole

SCADA Systemfor Charger

Network Control

Decentralizedenergy

mana ement

Local EnergyManagement

CentralEnergy

Management

Company Grid

Grid Planning

Grid extension

andstrengthening

Billing & Rating

Masterdata

Asset andInfrastructure Mgt

Security & Access Mgt

Reservation

Charging Interaction

Parking Management

eCar Tolling

InductiveCharging Spot

Battery SwappingStation

Satellite System

Smart Meter

Meter DataManagement

Grid ProtectionSystems

Power SystemControl

Process IntegrationPlatform

Business Intelligence

Infrastructure Control

MobileCharging Spot

pera ons

Service Desk

Field ServiceManagement

IT Operations

Operations

OperationalInfrastructure Planning

Technical Operations

Field Service


Siemens AG

Energy Sector

Siemens as provider of System integration up to turnkey solutions

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A smart integration of electric cars in the

Page 20 February 2010 Siemens AG

Energy Sector

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