The transition from "voluntary ESG" to "mandatory climate disclosure" is no longer a future projection for businesses in Vietnam—it is the current reality. With the issuance of Decree 06/2022/ND-CP and the subsequent Decision 13/2024/QD-TTg, the Vietnamese government has set a clear mandate for nearly 2,000 high-emitting facilities to conduct mandatory Greenhouse Gas (GHG) inventories.
However, for many industrial managers, the challenge isn't just understanding the why, but the how. As Vietnam prepares to pilot its domestic carbon trade exchange in late 2026, the quality of your GHG data today will determine your financial liability tomorrow.
The "Threshold" Reality: Are You on the List?
Under Decree 06, mandatory inventory applies to establishments with:
- Annual GHG emissions of 3,000 tons of $CO_2$ equivalent or more.
- Annual energy consumption of 1,000 tons of oil equivalent (TOE) or more (for industrial and commercial facilities).
- Specific operational capacities in solid waste treatment or transport.
If you fall into these categories, the reporting window is narrowing. By March 31, 2025, listed facilities must submit their first biennial GHG inventory reports to provincial-level People’s Committees.
Three Technical Hurdles in the Vietnamese Context
While international frameworks like the GHG Protocol provide a global foundation, Vietnamese manufacturers face unique local challenges:
1. The "Default Factor" Trap
Most facilities rely on default emission factors provided by the IPCC or the Ministry of Natural Resources and Environment (MONRE). While safe for compliance, these generic factors often overestimate emissions.
Business-First Tip: Moving toward facility-specific data (like actual fuel net calorific values) can often reveal a lower, more accurate carbon footprint, potentially saving you costs when carbon quotas are eventually allocated.
2. Scope 2 Grid Complexity
Vietnam’s energy mix is changing rapidly. As the grid integrates more solar and wind under Power Development Plan 8 (PDP8), your indirect emissions from electricity (Scope 2) will fluctuate. Accurate reporting requires staying updated on the annual Grid Emission Factor (GEF) published by the Department of Climate Change.
3. Data Integrity for Auditability
Decree 06 isn't just about self-reporting; it introduces Measurement, Reporting, and Verification (MRV). This means your data must be "audit-ready." If your activity data (fuel receipts, utility bills, production logs) is scattered across paper records or unverified spreadsheets, you face significant compliance risks during the verification phase.
The Strategic Roadmap: Preparing for 2026-2029
Vietnam’s carbon market roadmap is aggressive. The pilot phase (2026–2028) will lead to a fully operational carbon exchange by 2029. To stay ahead, manufacturers should follow these three steps:
- Map Your Emission Sources: Don't just look at electricity. Audit your boilers (stationary combustion), internal logistics (mobile combustion), and fugitive emissions from refrigerants (HVAC systems).
- Establish a GHG Management Team: GHG inventory is not just an "environmental" task; it requires input from Operations, Procurement, and Finance.
- Perform a Gap Analysis: Compare your current data collection against the technical guidelines of the relevant line ministry (e.g., MoIT for industrial production).
Final Thought
ESG is a management system, not a reporting exercise. For Vietnamese manufacturers, Decree 06 is the first real test of that system. By mastering your GHG inventory today, you aren't just satisfying a regulator—you are quantifying the efficiency of your business for an increasingly carbon-conscious global market.

