# Piped natural gas (PNG) emission factor (India): 2.05 kg CO2 per scm

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Senseible uses 2.05 kg CO2 per scm of piped natural gas (Scope 1). An invoice for 1,000 scm is 1,000 × 2.05 = 2,050 kg CO2, or 2.05 tonnes.

| Factor | Scope | HSN heading | On invoices as |
| --- | --- | --- | --- |
| 2.05 kg CO2 per scm | Scope 1 | 2711 (Petroleum gases) | PNG, natural gas, standard cubic metres (scm) |

## How the factor is derived

IPCC 2006 Guidelines, Vol. 2, Tables 1.2 and 1.4: natural gas 56,100 kg CO2 per TJ × 48.0 TJ per Gg = 2.69 kg CO2 per kg, × 0.76 kg per scm = 2.05 kg CO2 per scm.

The 0.76 kg per scm density is an assumption for typical pipeline gas; a supplier calorific value per scm should replace it when available.

## Questions

### What is the emission factor for piped natural gas in India?

2.05 kg CO2 per scm. IPCC 2006 Guidelines, Vol. 2, Tables 1.2 and 1.4: natural gas 56,100 kg CO2 per TJ × 48.0 TJ per Gg = 2.69 kg CO2 per kg, × 0.76 kg per scm = 2.05 kg CO2 per scm.

### How do I calculate emissions from a piped natural gas invoice?

Multiply the scm on the invoice by 2.05. For 1,000 scm: 2,050 kg CO2.

### Is piped natural gas Scope 1 or Scope 2?

Scope 1, when the fuel is burned in equipment or vehicles the business owns or controls. Fuel burned by a hired transporter is that transporter’s Scope 1 and your Scope 3.

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