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  • Writer's pictureGryn

Primary Data vs. Secondary Data in Emissions Reporting: What You Need to Know

When it comes to emissions reporting, the distinction between primary and secondary data is crucial for creating accurate and reliable sustainability reports. This distinction not only affects the quality of the data but also the effectiveness of decarbonization strategies and the credibility of the reporting.


A professional wearing a hard hat interacts with a large digital screen in a modern industrial setting. The screen displays complex data visualizations with labels like 'Accurate primary data' and 'Secondary Data,' featuring charts, graphs, and security icons. The environment emphasizes data accuracy and management in industrial or manufacturing processes.

Understanding Primary Data in Emissions Reporting

Primary data refers to information that is directly measured and specific to the company’s operations. For instance, when reporting on transportation emissions, primary data might include directly measured fuel consumption from company vehicles. This type of data is precise and offers a clear picture of the company’s actual environmental impact.


gryn tip 1

Always prioritize collecting primary data wherever possible, as it provides the most accurate foundation for emissions reporting.


The Role of Secondary Data

Secondary data, on the other hand, is based on estimates or industry averages. This data is often used when primary data is unavailable or difficult to obtain. While secondary data can be useful, it is less precise and can lead to less accurate emissions calculations, which may affect the credibility of sustainability reports.


gryn tip 2

Use secondary data cautiously and ensure it is sourced from reliable industry benchmarks or databases.


Why Primary Data is Preferable for Decarbonization Strategies

For companies aiming to achieve specific decarbonization targets, relying on primary data is essential. Primary data allows companies to track progress accurately, identify specific areas for improvement, and create actionable strategies to reduce emissions. Secondary data, while useful for broader estimates, may not provide the granularity needed for precise decision-making.


gryn tip 3

Develop systems and processes to ensure continuous collection of primary data for all key emissions sources.


Integrating Primary and Secondary Data in Reporting

In practice, companies often need to integrate both primary and secondary data into their emissions reporting. When doing so, it’s important to clearly distinguish between the two and to use primary data as the foundation for critical decision-making.


gryn tip 4

When combining primary and secondary data, clearly label and differentiate the sources in your reports to maintain transparency.


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