modeling the energy future of switzerland after the phase out of nuclear power plants

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| | Climate Policy Group New risks: trade-offs in switching from nuclear electricity to renewables in Switzerland. National Research Programme (NRP- 70). Swiss National Science Foundation 13.04.15 1 Modeling the energy future of Switzerland after the phase out of nuclear power plants Paula Díaz Oscar van Vliet

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| | ²  Climate Policy Group

New risks: trade-offs in switching from nuclear electricity to renewables in Switzerland.

National Research Programme (NRP- 70). Swiss National Science Foundation

13.04.15 1

Modeling the energy future of Switzerland after the phase out of nuclear power plants

Paula Díaz

Oscar van Vliet

| | ²  Climate Policy Group

§  Introduction to Swiss electric system §  Electricity mix in 2014 §  Energy Strategy 2050

§  Calliope, a dispatch model of Switzerland §  Main characteristics §  Scenarios:

§  2014 §  2035 §  2050

Index

| | ²  Climate Policy Group

§  How can we keep lights on §  Dispensing with Nuclear §  Intermittent resources §  Peaking and shortfalls

§  ‘How can we affordably minimise intermittency risks, given dispatch possibilities and potential (daily and seasonal) generation?’

13.04.15 3

Aim

Paula Díaz

| | ²  Climate Policy Group

13.04.15 4

Introduction to Swiss electric system: Electricity mix in 2014

§  Consumed §  56 000 GWh

§  Produced §  61 500 GWh

§  Imported: 28 000 GWh

§  Exported: 32 500 GWh

Source: Swissgrid (Energie Uebersicht 2014)

Paula Díaz

| | ²  Climate Policy Group

§  Relevance of the ES205 à Phase out of Nuclear

13.04.15 5

Introduction to Swiss electric system: Energy Strategy (ES2050)

Fossil central

Variant C

Fossil central &

REN

Variant C&E

REN &

Imports

Variant E

Paula Díaz

| | ²  Climate Policy Group

§  Relevance of the ES205 à Phase out of Nuclear

§  Our objective à Study dispatch possibilities of the Swiss electric system that increases its share and imports of REN.

13.04.15 6

Introduction to Swiss electric system: Energy Strategy (ES2050)

Fossil central

Variant C

Fossil central &

REN

Variant C&E

REN &

Imports

Variant E

Paula Díaz

| | ²  Climate Policy Group

13.04.15 7

, a dispatch model of Switzerland

§  Complementarity with other frameworks: SAM

§  Hourly data: §  RDA & JRC

§  Linear Open source modeling framework

Paula Díaz

Solar and wind resources. Source: Atlas der Schweiz, 2010 Pfenninger, 2015

S1

S2

S3

S4

| | ²  Climate Policy Group

13.04.15 8

Calliope dispatch model of Switzerland 2014

§  Calibration §  Switzerland:

§  2 main regions §  Demand of 2014

§  Switzerland §  Italy §  France §  Germany

Paula Díaz

| | ²  Climate Policy Group 13.04.15 9

 SPRING  2014      SUMMER  2014  

 AUTUMN  2014      WINTER  2014  

| | ²  Climate Policy Group

§  Variant E: §  Reduction of electricity demand

(-12.6% per capita) §  No electricity from nuclear §  CHP will count for 90% of fossil

13.04.15 10

Calliope dispatch model of Switzerland Scenario: 2035

Electricity demand per capita (1950-2050)

Source: ES2050. BFE

Production 69% respect to 2014

Paula Díaz

| | ²  Climate Policy Group 13.04.15

First Name Name 11

 SPRING  2035      SUMMER  2035  

 AUTUMN  2035      WINTER  2035  

| | ²  Climate Policy Group

§  Variant E: §  Reduction of electricity demand

(-9.7% per capita) §  No electricity from nuclear §  CHP will count for 100% of

fossil §  Production 85% respect to

2014

13.04.15 12

Calliope dispatch model of Switzerland Scenario: 2050

Paula Díaz

| | ²  Climate Policy Group

13.04.15 First Name Name 13

 SPRING  2050      SUMMER  2050  

 AUTUMN  2050      WINTER  2050  

| | ²  Climate Policy Group

§  Detailed analysis of high time resolution §  Even with high development of REN

§  Switzerland will have to rely on imports §  The peak of demand at evening will not be covered by REN

§  The e-production of Switzerland will be highly decreased §  Assure the dispatchability with 2 complementary

scenarios of renewable energy §  CSP from Nord Africa §  Wind from Nord Sea

13.04.15 14

Outlook

Paula Díaz

| | ²  Climate Policy Group

§  Thank you for your attention

Questions?

§  Paula Díaz [email protected]

13.04.15 15 Paula Díaz