Introduction Session II

Dr. Bernd Buchholz, Siemens AGEU AC Smart Grids

CIGRE SC C6VDE

Smart Grids - challenges and mission

Environmental protection

Sustainability through

renewable generation – 22% in 2010

Interconnections and

gross border trade

LiberalisedMarket

Smart grids‘ mission is to create a shared vision which enables Europe’s electricity grids to meet the challenges and opportunities of the 21st century,

fulfils the expectations of the society and strengthens the European business context for the electricity sector and its international opportunities

Customer market participationEnergy efficiency –

18 % CHP in 2010

Technology Platform SmartGrids: www.smartgrids.eu

ItalyLivio Gallo, EnelCarlo Sabelli, Terna

GermanyBernd Buchholz, SiemensEdmund Handschin, Uni DortmundUrban Keussen, E.ON

Results so far: Vision –Strategic research agenda– Strategic deployment document

www.smartgrids.eu

RA1: Smart Distribution Infrastructure

RA2: Smart Operations

RA5: Cross Cutting Issues and Catalysts

RA3: SmartGrid Assets and Asset Management

RA4: European Interoperability of SmartGrids

Transmission networks of the future New architectures and tools Long distance energy supply

The key element of the vision

Create a Toolbox of proven technical solutions enabling existing grids to accept power injections from

all kinds of generation plants

How much energy will be transmitted from North Africa?

Grid enhancement to transmit offshore wind power through Germany

850 km 400 kV AC until 2015

versus

HVDC long distance?

•Transfer of 4000 MW per link•Homogeneous balance of load flow in the AC grid•Improvement of stability

Offshore wind power

2015 – 10 GW

2020 - 20 GW

Vattenfall

Europe Transmission

Strong re

sistance of the public

against the

erection of n

ew overhead lines

Supergrid to transmit renewable energy from North Africa to Europe ?

?DC AC SOON

Studies

UCTE 12100 TWh/a

530 GW

UCTE 2

NordelUK

UPS/IPS

TRKMAG

NA

Current transmission system structure in Europe

Centrel

NORDEL

IPS/UPS

UCTE - 1

MA-GHREB

UCTE - 2

Turkey

10th. October

20041400 MW1400 MW 1200 MW1200 MW

450 MW450 MW 600 MW600 MW

Limits of transmission technologies

OverheadUnderground/ submarine

km km

GW GW

GILCable

2

4

1000 2000

6

8

380 kV

750 kV

1000 kV

800 kV DC

550 kV DC

4

3

2

1

100 200 500 1000

Cable 380 kV

GIL 500 kV

GIL

300 kV DC

Questions

Which amount of power transfer from North Africa to Europe is realistic

Which technologies shall be applied

How acceptance can be reached for new overhead lines in the urban landscape of Europe