Colorado Regulation 7: GHG Intensity Verification Factor
How Colorado Reg 7 Section VIII scales ONGAEIR methane: CDPHE's factor rose from 1.164 (2025) to 2.2-2.7 by region (2026); targets run through 2030.
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The TetraSoft Blog
Regulatory updates, emissions data, and methane science.
How to Get a Colorado Operator-Specific Verification Factor
How Colorado operators replace the state default verification factor with an operator-specific one under Reg 7 Part B Section VIII, and when it pays off.
What Colorado's 1.164 Verification Factor Costs Operators
Dollar estimates of the CDPHE State Default Intensity Verification Factor's cost to Colorado upstream operators, with fee and sensitivity analysis.
Methane Intensity Metrics: Why Methodology Matters
Different methane intensity formulas produce different results for the same facility. CATF's 2026 report shows why denominator choice shapes EU compliance.
Why Satellites Show About 2x More Methane Than Inventories
TROPOMI satellite data shows US oil and gas methane roughly double what facility inventories report. What drives the gap and why it matters.
Colorado ONGAEIR Due June 30: A Practical Filing Checklist
Colorado ONGAEIR report for CY2025 is due June 30, 2026. Which facilities must report, required source categories, and a pre-submission checklist for operators.
Subpart W Proposed Rule: Is GHGRP Reporting Still Required?
The Subpart W proposed rule (90 FR 44591) would pause reporting through RY2034, but it is not final. Facilities still file RY2025 data by March 10, 2027.
GHGRP Subpart W Deadline Moved to March 10, 2027
EPA moved the RY2025 GHGRP filing deadline to March 10, 2027, while a separate proposal to suspend Subpart W reporting through 2034 remains pending.
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