> For the complete documentation index, see [llms.txt](https://docs.altum.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.altum.ai/verduurzamen/verduurzaming-api-v2/co-uitstoot.md).

# CO₂-uitstoot

CO₂-uitstoot berekening

De **totale CO₂-uitstoot in kg per jaar** wordt direct berekend uit het totale geschaalde en gecorrigeerde verbruik van alle energiebronnen samen (gas, elektriciteit, warmte en biomassa).

De **emissiefactoren** om de CO₂-uitstoot in kg voor iedere energiebron te bepalen, zijn te vinden in de onderstaande tabel. De waarden zijn afkomstig uit **ISSO 82**.

### **CO₂ e**missiefactoren 

| Energiebronnen | Emissiefactor |
| -------------- | ------------- |
| Gas            | 1.78kg/m3     |
| Warmte         | 50.6 kg/GJ    |
| Electriciteit  | 0.48 kg/kWh   |
| Biomassa       | 0.98 kg/kg    |

De totale CO₂-uitstoot in kg per jaar kan als volgt worden berekend:

* Totaal jaarlijks **gasverbruik** (m³) × omrekenfactor gas: 1,78 kg/m³
* Totaal jaarlijks **warmteverbruik** (GJ) × omrekenfactor warmte: 50,6 kg/GJ
* Totaal jaarlijks **elektriciteitsverbruik** (kWh) × omrekenfactor elektriciteit: 0,48 kg/kWh
* Totaal jaarlijks **biomassa-verbruik** (kg) × omrekenfactor biomassa: 0,98 kg/kg

De CO₂-besparing is het verschil tussen de CO₂-uitstoot in de beginsituatie en de CO₂-uitstoot in de nieuwe situatie.


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