Gas transmission
Authority decision on UNC0870: Amendments to Wobbe Index and Calorific Value Lower Limits at NTS System Entry Points
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The Authority has approved the Uniform Network Code Modification Proposal 0870 (UNC0870): Amendments to Wobbe Index and Calorific Value Lower Limits at NTS System Entry Points.
Main document
[Authority decision on UNC0870 [PDF, 134.01KB]
](https://www.ofgem.gov.uk/sites/default/files/2025-03/UNC870-decision.pdf)