Swiss Power System 1

The Electric Power System

- Switzerland -

Swiss Power System 2

Basic facts

Area: 41'285 km2

Population: 8'237'700 (2014)

approx. 4 mio consumers

1 TSO

approx. 800 DSOs

Peak load: max. 10.83 GW (max. of 2009 – 2015)

Average interruption of electricity (2013): 25 min (source: ElCom)

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Swiss Power System 3

Global map of the gridand of its interconnections

3

Interconnectors with:

Austria;

France;

Germany;

Italy.

Swiss Power System 4

Grid facts and characteristics

The electricity grid in Switzerland is sub-dividedinto transmission grids (maximum voltage) and distribution grids (high, medium and low voltage)

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Voltage Level Total length(approx.)

Responsibility

Transmission Grid 380 kV 1800 km TSO

Transmission Grid 220 kV 4800 km TSO

High Voltage 50 – 150 kV TSO 150 kV: 50 km DSO

Medium Voltage 10 – 35 kV DSO

Low Voltage 230 / 400 V DSO

Swiss Power System 5

Structure of electricalpower system

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Source: Swissgrid

Swiss Power System 6

Map of the high voltage grid

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Source: Swissgrid

Swiss Power System 7

Information on TSO

Name: Swissgrid Ltd

Network length: 6700 km

78 TWh (2014)

www.swissgrid.ch

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Swiss Power System 8

Power structureof the country

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Source: SFOE

24,8%

31,7%

37,9%

5,7%

production mix Switzerland, 2014

run-of-river power plants

storage power plants

nuclear power plants

others

Swiss Power System 9

Development of generation capacity since 2009

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Source: ElCom

Conventional thermal power plants

Run-of-river power plants

Renewables

nuclear power plants

(pump) storage power plants

Inst

alle

dca

pac

itie

s(M

W)

Swiss Power System 10

Future development ofgeneration capacity

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Source: ElCom

Inst

alle

dca

pac

itie

s(M

W)

nuclear power plants

combined heat and

power

run-of-river power plants

gas-fired combined-cycle

power plants

wind power

photovoltaics

other renewables

pump storage power plants

Swiss Power System 11

Energy production 2014

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Source: SFOE

others nuclearrun-of-river storage

Swiss Power System 12

Consumption

12

2%

31%

27%

8%

power consumption by consumer group, 2014

households

primary sector

secondary sector

tertiary sector

Source: SFOE

Swiss Power System 13

Renewables

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Swiss Power System 14

Location of installed windturbines in Switzerland

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Source: wind-data.ch, Date: 16.12.15

Swiss Power System 15

Development of wind power

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Source: Suisse Eole

Installed wind power in Switzerland [MW]

Swiss Power System 16

Development of photovoltaic power

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Source: SWISSOLAR (off-grid plants included)

28'300 30'100 37'370 49'350 79'480125'350

222'910

436'520

755'560

1060'590

'0

200'000

400'000

600'000

800'000

1000'000

1200'000

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

installed PV in kWp

Swiss Power System 17

RES annual production in TJ

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Source: SFOE

Hydro power plants Solar energy

Biomass energy Wind energy

Renewable share of waste wastewater treatment plants

Swiss Power System 18

Market

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Swiss Power System 19

Price development for industry consumers

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Industries with a consumption of between 20 - 500 MWhSource: ElCom

pri

ce/M

Wh

Swiss price [CHF] European price [CHF] European price [EUR]

Swiss Power System 20

Price development for households

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Source: ElCom

Shar

e o

f el

ectr

icit

y co

sts

in t

he

ho

use

ho

ld b

ud

get

[%]

Swiss Power System 21

Regional price differencesfor households

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Electricity price for 2016 in CHF/MWh, category H4: 4500 kWh/a, source: ElCom

Swiss Power System 22

Electricity marketorganisation

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Source: Swissgrid

Swiss Power System 23

Total consumptionin Switzerland

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Source: Swissgrid

Swiss Power System 24

Energy generationin Switzerland

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Source: Swissgrid

Swiss Power System 25

Power balance in 2014

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Source: SFOE

Import Export balance

Import/Export/Balance net

Swiss Power System 26

Energy exchanges 2014

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Source: Swissgrid

Swiss Power System 27

Switzerland is not yet partof market coupling

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Status: February 2015Source: Swissgrid