Gathering plenty of information is required in scope 3 calculation

Challenges of Calculating Scope 3 Emissions

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Calculating Scope 3 emissions can be a daunting task for organizations. This is because it requires a comprehensive understanding of their supply chain and the indirect impacts of their operations. Here are some of the challenges organizations face when trying to calculate their Scope 3 emissions. 

Calculating scope 3 starts with data collection 

Organization’s carbon footprint calculation is divided into three categories according to the sources of emissions, commonly referred to as scopes. Scope 1 includes company’s own and direct emissions. Scope 2 includes emissions from energy supply. Finally scope 3 includes company’s indirect emissions from the company’s value chain and procurement.

One of the biggest challenges of Scope 3 calculation is data collection. Organizations need to gather data from their internal data sources, suppliers, customers, and other stakeholders to accurately calculate their emissions. However, many organizations do not have the necessary systems in place to collect this data, and it can be time-consuming and expensive to obtain.  

To ensure cost-efficiency, data collection for calculating scope 3 inventory must go beyond its direct purpose of emission calculation. This is often the case when information is searched for and documented. For example, by implementing robust systems for collecting data on purchased material flow and volumes, organizations can gain valuable insights into other areas of their business as well. This can help them identify opportunities for cost savings and supply chain optimization, making the investment in data collection more worthwhile. Therefore, organizations should view data collection not just to calculate Scope 3 emissions, but also as a tool for improving their overall business operations. 

Complexity of scope 3 calculation 

Scope 3 emissions are complex and varied, as emissions can come from a wide range of sources. These sources may include, for example, purchased goods and services, transportation and distribution, waste generated, and use of sold products. It can be difficult to identify and quantify all the sources of indirect emissions across the entire value chain. Difficulties occur especially when there are multiple suppliers involved.  

Although there may be significant uncertainties associated with Scope 3 calculation, organizations should not be discouraged from starting the process. While the accuracy of activity data, emission factors, and future scenarios may improve over time, the initial estimates can provide a starting point for identifying high-impact categories and developing strategies for emission reduction. It’s also important to note that not all categories of Scope 3 emissions will have equal importance for every organization. By focusing on the categories that are most relevant to their business operations and supply chain, organizations can make meaningful progress towards reducing their carbon footprint. 

Engaging the supply chain in scope 3 accounting 

To accurately calculate Scope 3 emissions, organizations need to collaborate with their suppliers to obtain data on their emissions. However, suppliers may not always have the necessary data, or they may be hesitant to share it due to competitive concerns. 

Currently, the lack of supplier-specific data is still a challenge for almost every company. It is often seen that average and even outdated emission factors have been used in the calculation, which can overestimate emissions. Particular attention needs to be paid to currency-based factors, where inflation and exchange rates, for example, can affect the accuracy of results. 

To overcome this challenge, organizations can build strong relationships with suppliers and encourage them to adopt sustainable practices. By working together and emphasizing the importance of relevant emission data, suppliers may be motivated to provide more accurate data about their products and services. Additionally, including emission data as one of the factors considered when selecting suppliers can encourage suppliers to prioritize sustainability and improve their emissions reporting. 

Calculating scope 3 with OpenCO2net

Cost of scope 3 calculation 

Calculating Scope 3 emissions can pose financial burdens for organizations, as it requires time and resources. To accurately collect and analyze data, organizations may need to invest in new systems and processes or hire additional staff. However, Scope 3 emission calculation is becoming a requirement for a large number of companies. Therefore it is worth preparing for Scope 3 anyway. 

One potential solution to these challenges is to leverage the right tools and technologies to automate data collection and analysis as much as possible. For example, by integrating accurate and updated emission factors directly into existing systems, organizations can avoid the need for transferring sensitive and large amounts of data outside of the company. To do this, however, it is necessary to first establish a calculation boundary. Identifying the emission sources that are relevant for the company must also be conducted before the integration. It is therefore worth starting by carrying out a scope 3 calculation at least once. It can also provide valuable insights into areas of the business that may not have been considered in detail before. For example, this can lead to more efficient practices and cost savings. 

OpenCO2net provides tools for calculating emissions according to the Greenhouse Gas Protocol Scope 3 standard. With our carbon footprint calculator and our extensive emissions database, you can reliably calculate your company’s carbon footprint, including scopes 1 and 2, and all scope 3 categories. We also provide training in emissions calculation and carbon footprint calculations as consultancy work. 

Do you want to hear more about our services?

Our service is suitable for calculating the carbon footprint of an individual product or the entire company. We also make customized carbon footprint calculators for companies.

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Sari Siitonen
Founder, CEO
sari(a)openco2.net
+358 40 761 5221

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