Biomethane injection without propane

Biomethane sites produce methane commonly via anaerobic digestion.  This gas has a lower calorific value than the rest of the gas, so to bring it in line, propane is added.

This additional propane produces more carbon dioxide and increases costs, so using biomethane without the inclusion of propane helps by reducing the amount of carbon dioxide produced.

Low to medium impact on CDSP systems

• A lower biomethane calorific value (CV) in this scenario could affect the Flow Weighted Average CV (FWACV) process. To maintain billing accuracy, additional charging zones within the LDZ may be required.
• No other CDSP system changes are identified at this stage.

RAG matrix

• RED – expected process impacts
• AMBER – suspected process impacts
• GREEN – no process impacts anticipated

Note: This assessment does not define the scale or complexity of impacts.

Context diagram

More information

If you would like more detailed information about the four decarbonisation options, and the potential affects they could have on the CDSP central systems and processes, please email us at decarbonisation@xoserve.com.

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