Hydrogen Blending Calculator

Calculate the effects of blending hydrogen into natural gas pipelines including energy content changes, CO₂ reduction, and Wobbe Index impact.

Natural Gas Flow Rate (m³/h)

H₂ Blend (% by volume)

Pipeline Pressure (bar)

Pipeline Diameter (mm)

Tab to move between fields

H₂ Flow Rate

1,000 m³/h

Energy Content Reduction7.16%

CO₂ Reduction3.06%

Wobbe Index Change-0.18%

Max Safe Blend18% vol

How to Use This Calculator

Enter Natural Gas Flow Rate (m³/h), H₂ Blend (% by volume), and Pipeline Pressure (bar).
Set Pipeline Diameter (mm).
Review the H₂ Flow Rate (m³/h) result.
Use Energy Content Reduction (%) and CO₂ Reduction (%) to inform your decision.
Use the chart to visualize the results and explore different scenarios by adjusting inputs.

How the result changes with Natural Gas Flow Rate (m³/h)

Natural Gas Flow Rate (m³/h): Volumetric flow rate of natural gas in the pipeline.
H₂ Blend (% by volume): Percentage of hydrogen by volume to blend into the gas stream.
Pipeline Pressure (bar): Operating pressure of the natural gas pipeline.
Pipeline Diameter (mm): Internal diameter of the pipeline in millimeters.

Wobbe Index Change: Negative values indicate decreased interchangeability.
Max Safe Blend: Maximum recommended hydrogen blend for existing infrastructure.

Identify Input Parameters
4 parameters
Natural Gas Flow Rate (m³/h) = 10000, H₂ Blend (% by volume) = 10, Pipeline Pressure (bar) = 40, Pipeline Diameter (mm) = 500 = 4 input(s) provided
Calculate H₂ Flow Rate
H₂ Flow Rate
1000 = 1000
Calculate Energy Content Reduction
Energy Content Reduction
7.16 = 7.16
Calculate CO₂ Reduction
CO₂ Reduction
3.06 = 3.06