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Zero Carbon Tool: Transparent Approach to Achieving a Sustainable Future

This tool, developed by Mark Letcher of Climate Works Ltd, allows users to explore the potential for achieving zero carbon emissions in their area. By inputting data on population, energy efficiency, renewable energy sources, and electric vehicles, the tool generates estimates of energy demand and CO2 emissions. While the tool provides a useful starting point, it is based on national averages and may not accurately reflect local or personal consumption. Its purpose is to initiate discussion, debate, and further work, rather than formulate local policies.

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Zero Carbon Tool: Transparent Approach to Achieving a Sustainable Future

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  1. Where are we now? Introduction to a zero carbon tool Mark Letcher - Climate Works Ltd

  2. Qu) What if we want to get on with this?

  3. Qu) And can we put some numbers on it?

  4. Zero carbon tool Simple to use Transparent Builds on approach taken in Frome ‘Sustainable Energy Without The Hot Air’

  5. MS Excel

  6. Start with 3 numbers • Population • Proportion of homes on mains gas • How quickly you want to get to ‘zero carbon

  7. Then add….. • Energy efficiency • Demand reduction thru: • Behavioural • Technical measures

  8. And…. • % of electric vehicles

  9. What it shows • Baseline heat and power • Fuel mix • Estimate annual energy demand and CO2 emissions • Before & after energy efficiency measures • Est totals • Est per household • Est per person • Est per person per day • References and sources

  10. Baseline car use • % of diesel and petrol vehicles • Energy consumption • CO2 emissions

  11. Renewable power • Contribution of roof top PV • Ground mounted PV • On-shore wind

  12. Renewable heat • What could we do with heat pumps • And biomass?

  13. Charts and graphs

  14. Getting to zero

  15. Getting to zero

  16. Limitations • Based on national averages • So won’t accurately reflect local or personal consumption • To initiate discussion, debate and further work…… • Not to formulate local policies

  17. Thank you Mark Letcher - Climate Works Ltd

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