The document discusses various energy costs for heating sources like oil, electricity, pellets, and district heating measured in kr/kWh. It notes the typical heating requirements in kWh/m3 per year for standard houses, passive houses, and where the author lives which ranges from 115 to 25 kWh/m3 per year. It also mentions using district heating for more applications to reduce electricity needs and describes the biogas production process where microorganisms break down sugars, fats, proteins into methane and other compounds.

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