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Rainer Friedrich, Sandra Torras Ortiz, Ganlin Huang

WP 2 Energy. Rainer Friedrich, Sandra Torras Ortiz, Ganlin Huang Institute for Energy Economics and the rational Use of Energy – University Stuttgart, Germany Jouni T. Tuomisto, Marjo Niittynen National Institute for Health and Welfare, Finland City Partners. Outline. Work Package Energy

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Rainer Friedrich, Sandra Torras Ortiz, Ganlin Huang

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  1. WP 2 Energy Rainer Friedrich, Sandra Torras Ortiz, Ganlin Huang Institute for Energy Economics and the rational Use of Energy – University Stuttgart, Germany Jouni T. Tuomisto, Marjo Niittynen National Institute for Health and Welfare, Finland City Partners

  2. Outline • Work Package Energy • Energy balance • Energy scenarios for future years • Results • Traffic interventions • Biomass (Pellets) use in domestic heating • Lessons learned

  3. Energy balance Main goal: To analyse specific urban GHG policies regarding their expected influence on health by emission reduction, changes in energy demand and supply International energy market

  4. Energy balance Technologies (passenger car,(diesel), Small combustion (biomass) Demand (light, vkmPasssengercars, heatingofDwellings …) Fuel oil Gas, oil, coal, renewables (secondary & primary energy carriers Inside city Coal Electricity Heat Gas from outside city biomass Energy services Final Energy Demand Energy carrier supply

  5. Energy balanceat a City level Stuttgart

  6. Energy balanceat a City level Basel

  7. Energy scenarios for future years Regional Coverage Pan-European TIMES Model The model illustrates the whole energy system of the different member states of the EU-27 plus Iceland, Norway and Switzerland

  8. Energy scenarios for the years 2020-2025 Germany Switzerland

  9. Stuttgart –Traffic interventions Traffic interventions analysed: • Introduction of a congestion charge in the City of Stuttgart: The amount of 0.10 € is raised per kilometer driven by passenger car • Extension of parking management: expansion of parking management in the districts surrounding the city center of Stuttgart. • Improved public transport: light rail frequency inthe off-peak times is increased • Improved cycling network • Combined scenario What are the expected human health impacts related to traffic interventions compared to the business as usual (BAU) scenario for the year 2025?

  10. Stuttgart –Traffic interventions Reduction on Traffic Emissions and fuel use in BAU 2025 compared to Baseline 2010

  11. Stuttgart –Traffic interventions Reduction on Traffic Emissions and fuel use for each intervention compared to BAU 2025

  12. Stuttgart - Pellet boilers scenarios I • Business as Usual (BAU) Scenario: pellet boilers are installed throughout the entire city of Stuttgart with growth rates similar to historical growth rates (2001-2008). • Ban on Burning Scenario (BB): pellet boilers are not installed within the Stuttgart city center, but only in the outer districts. • Substantial Growth Scenario (SG): pellet boilers are installed throughout the entire city of Stuttgart with growth rates as expected by the DEPV (German Wood and Pellets Fuel Association) which estimates 1 million units by 2020 in Germany. What are the expected human health impacts related to the increasing use of wood pellets in Stuttgart?

  13. Stuttgart - Pellet boilers scenarios II Ban on burning Substantial growth Number of pellet boilers in Stuttgart (2025)

  14. Stuttgart - Pellet boilers scenarios III CO2 emissions change due to replacement of traditional energy (Stuttgart mix) with biomass. Total CO2 associated to the household sector ca. 450 Thousand tons. Average filter technology was assumed, newer filter technology could decrease particulate matter substantially (around 40-70% lower emissions) DALYS: Disability Adjusted Life Years

  15. Greenhouse Gas Balances CO2 eq/MJ Greenhouse gas emissions produced in the preparation of raw material for pellets made of industrial wood residues and forest wood residues (Source: BioEnergieDat, 2012)

  16. Lessonslearned Energy substitution in domestic heating • Pellet boilers contribute to reduce CO2 emissions by replacing fossil energy sources at a global scale. However, at a local scale, higher particulate matter emissions could be associated to additional local human health impacts. • Significant differences in wood pellets concerning their up- and down stream CO2 emissions. Traffic • Interventions in the traffic sector account for small reductions at a local scale. In the specific case of Stuttgart, the emission reductions may not justify the large effort needed to implement the interventions. Human health assessment to be completed within the next months

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