1. Economy Energy costs Skr/kWh Oil 1,5 Electricity 1,0 Pellets 0,6 District heating 0,5 Need for heating kWh/m 3 ,year Requirements 110 Standard house 60-80 Passive house 5-25 Where I live: 115 kWh/m 3 ,y TO 25 kWh/m 3 ,y

2. District heating for more applications- reduce the need for electricity Use

3. Technique

4. Biogas

5. Microorganisms do the job Biogas H 2 + CO 2 Alcohols, simple acids Sugar Fatty- & amino acids Acetate CH 4 + CO 2 Fat Carbohydrates Protein

6. Biogas

7. Gas distribution Digester Gas upgrading Substrate Digestate storage Sanitation Substrate storage Bio fertilizer Odour reduction Delivery Technique

8. Industrial and farm scale Technique

9. Infrastructure is already there… Technique