National Emissions Registry (RENE, Mexico)

The RENE (Registro Nacional de Emisiones, National Emissions Registry) is Mexico's registry for reporting and verifying emissions of greenhouse gases and compounds from fixed and mobile sources. It is the official tool for understanding how much the country emits by sector and by establishment, and it forms the database underpinning other Mexican climate policies.

It is administered by SEMARNAT, which compiles the information reported by obligated companies to build a national picture of emissions.

Legal basis of the RENE

The RENE is governed by the General Climate Change Law (LGCC) and by the LGCC regulation on the National Emissions Registry. These instruments define who must report, which gases are counted and how the information is verified.

Who is required to report

An establishment is an obligated reporter when its direct and indirect emissions add up to 25,000 tonnes of CO2 equivalent or more per year, under article 6 of the RENE regulation. CO2 equivalent is the unit that allows the different greenhouse gases to be combined into a single figure according to their warming potential.

The registry covers six sectors: energy, transport, industry, agriculture and livestock, waste, and commerce and services, giving a broad view of the country's emission sources.

How reporting works

The RENE report is filed through the Annual Operating Report, between 1 March and 30 June each year, covering emissions generated from 1 January to 31 December of the previous year. To report, organisations need a robust emissions inventory that identifies their sources, applies appropriate emission factors and supports year-over-year tracking.

A key feature of the RENE is its verification process: every three years obligated establishments must attach a verification opinion issued by an accredited and approved body, filed with SEMARNAT between 1 July and 30 November of the year in which verification falls due. This strengthens the reliability of the data.

Link to other climate policies

The RENE is the backbone of emissions accounting in Mexico. Its data underpins the country's Emissions Trading System, which needs verified emissions information to allocate allowances and verify compliance by covered sectors.

Calculate and report your emissions with Manglai

At Manglai we help companies calculate their carbon footprint and prepare reliable, verifiable reports. With Manglai's carbon footprint software you can comply with the RENE and reduce your emissions in a structured way.