Calculation-based versus measurement-based reporting is not a technicality. It is the difference that sets your budget, your timeline and what you can defend under audit.
NUPRC's directive moves operators up what the IPCC calls the accuracy ladder. Tier 1 is generic emission factors multiplied by activity data, no longer sufficient for NUPRC from Q3 2026 onward. Tier 2 uses country- or operation-specific factors against metered data, the minimum acceptable basis today. Tier 3 requires direct measurement and continuous monitoring across every source, the required end state from January 2027.
Under the Flare Gas (Prevention of Waste and Pollution) Regulations 2018, producers at or above 10,000 barrels of oil per day are charged $2.00 per thousand standard cubic feet (Mscf) flared; producers below that threshold are charged $0.50 per Mscf. Methane is converted to CO₂-equivalent using its Global Warming Potential, roughly 28 times CO₂ over 100 years, so a small error in vented or fugitive volume at Tier 2 has an outsized effect once it is reconciled against production and reported. Moving to Tier 3 measurement is what lets an operator defend a figure rather than estimate one.
Tier 2 is not a lesser obligation to be revisited later, it is this quarter's compulsory baseline. Tier 3 is the target architecture. The operators best positioned for January 2027 are the ones treating Tier 2 as the foundation for Tier 3, mapping IPCC factors and closing metering gaps now, rather than treating the two as separate projects.
Sources: NUPRC Directive on Standardised Templates & Measurement-Based Methane/GHG Reporting (2026); Flare Gas (Prevention of Waste and Pollution) Regulations 2018; IPCC emission factor tier guidance. Not legal or compliance advice — confirm current obligations directly against NUPRC's published directives.
A structured review of your current operations against this module's requirements, delivered as a gap report and costed pathway, not a sales call.