In today’s world, businesses have a significant role to play in tackling climate change. While a recent survey by the Office for National Statistics (ONS) found that only 23% of large businesses in the UK have a climate change strategy, calculating your business carbon footprint is a crucial first step towards becoming a more sustainable and environmentally conscious organisation.
Significantly, nearly two-thirds (61%) of UK consumers feel sustainability is more important to them now than it was two years ago, with 30% citing personal experience with extreme weather events as a driving factor.
This comprehensive guide will equip you with the knowledge and tools to calculate your carbon footprint, understand your environmental impact, and take action towards a greener future. Regardless of your industry or size, measuring your carbon footprint allows you to make data-driven decisions to reduce emissions, improve efficiency, and potentially save money on energy costs.
By prioritising sustainability, you can not only contribute to a healthier planet but also enhance your brand reputation and attract environmentally conscious customers who are increasingly making purchasing decisions based on a company’s commitment to environmental responsibility.
Understanding your carbon footprint
Source: Office for National Statistics – Business Insights and Conditions
A carbon footprint is the total amount of greenhouse gases (GHGs) emitted by your business activities, expressed in carbon dioxide equivalents (CO2e). Calculating your business carbon footprint means accounting for all emission sources throughout your operations. To simplify this process, GHG emissions are categorised into three “scopes”:
Scope 1: Direct emissions
Emissions from sources your company owns or controls, such as fuel burned in company vehicles, heating systems or industrial processes.
Scope 2: Indirect emissions (purchased energy)
Emissions related to the electricity, heat or steam your company purchases and uses.
Scope 3: Other indirect emissions
A broad category encompassing emissions from your business’s entire value chain, including employee commuting, business travel, waste disposal, procurement and the use of your products or services by customers.
The Importance of measurement
It’s vital to understand and measure your business’s carbon footprint for several reasons:
- Managing what you measure: You cannot effectively reduce what you cannot quantify. Measuring your carbon footprint sets a baseline and helps track progress over time.
- Cost savings: Identifying emissions hotspots can pinpoint areas for energy efficiency, ultimately saving your business money.
- Reputation enhancement: Demonstrating a commitment to sustainability boosts brand reputation and can attract customers and partners who prioritise environmentally responsible practices.
- Regulatory readiness: As climate-related regulations evolve, calculating your carbon footprint prepares your business for potential future reporting requirements.
- Transparency: 78% of consumers want companies to be mandated to provide full transparency into their supply chain, allowing for informed decision-making.
Related Reading: Why sustainability in business is more than just energy and water
Gathering your data
The first step in accurately calculating your business carbon footprint is collecting the necessary data. Here’s a breakdown of the key areas to focus on:
- Utilities: Gather bills for electricity, gas, water and any other relevant utilities for a representative period (ideally a full year). This data will allow you to calculate the associated greenhouse gas emissions from your energy consumption.
- Fuel usage: Compile comprehensive records of fuel purchased for company vehicles (petrol/diesel), industrial processes or heating systems. This includes not only the volume of fuel used but also the type of fuel, as different fuels have varying emission factors.
- Travel: Collect data on mileage logs for company vehicles, business flights, train journeys and employee commuting (if including scope three). For company vehicles, this might involve integrating data from fuel cards or mileage-tracking software. For business travel, you can request booking data from travel agents or corporate travel platforms. Employee commuting data can be collected through surveys or by partnering with employee commuting programs.
- Waste: Obtain detailed records from your waste disposal provider indicating the volumes and types of waste your business generates. This information is crucial for calculating the emissions associated with waste disposal and transportation.
- Procurement: If you plan to include scope three emissions in your calculation, start exploring product life-cycle data from your suppliers. This data can be complex to obtain, particularly for businesses with intricate supply chains. However, start by identifying your largest sources of scope three emissions (e.g., raw materials, transportation) and focus on gathering data from those suppliers first.
Challenges and tips
Gathering the data needed for your carbon footprint calculation isn’t always a straightforward process. Here are some common challenges you might encounter, along with tips to help you overcome them:
- Data availability: You might find that some data points are readily available from existing records (e.g., utility bills), while others require more effort to collect (e.g., supplier life-cycle data). Don’t let this initial hurdle discourage you. Start with the most significant emission sources and gradually expand your data collection efforts as you become more comfortable with the process.
- Scope three complexities: Data on your supply chain (scope three) can be challenging to obtain comprehensively. Begin by identifying your largest sources of scope three emissions, such as raw materials or transportation, and focus your initial efforts there.
Pro Tip: Involve relevant departments (facilities, procurement, travel) early in the data-gathering process. Their collaboration can streamline the process and ensure you capture all the necessary information.
Related Reading: A complete guide to energy audits for businesses
Calculating your footprint
Now you’ve gathered your data, it’s time to start calculating your carbon footprint. Here’s an overview of the key steps:
- The Greenhouse Gas Protocol: The Greenhouse Gas Protocol (GHG Protocol) is the most widely recognised standard for carbon accounting. It provides detailed guidance on how to calculate emissions from various activities. You can find resources and tools on the GHG Protocol website.
- Emissions factors: An emissions factor represents the amount of greenhouse gases released per unit of activity (e.g., kilograms of CO2e per kilowatt-hour of electricity). The UK government provides a regularly updated database of emissions factors for various fuel types, transport modes and other activities.
- Simplified calculators: There are numerous online carbon calculators specifically designed for businesses. These tools can provide a simplified way to estimate your business carbon footprint. Some popular options include:
- Carbon Trust SME Carbon Footprint Calculator
- SME Climate Hub Business Carbon Calculator
Example calculation
Let’s illustrate the calculation process with a common example:
- Activity: Electricity usage for a 12-month period = 10,000 kilowatt-hours (kWh)
- Emissions factor: The UK government’s emissions factor for electricity will vary slightly depending on the specific grid mix; let’s assume it’s 0.25 kg CO2e/kWh
- Calculation: 10,000 kWh * 0.25 kg CO2e/kWh = 2500 kg CO2e (or 2.5 metric tonnes CO2e)
UK business sustainability spending is set to increase by 13% year-over-year between 2025 and 2030, reflecting a significant shift in how businesses are prioritising environmental responsibility. It’s never been more important for your business to stay one step ahead.
Important Note: Online calculators can be a helpful starting point, but for more complex calculations or detailed scope three analysis, consider seeking assistance from a business energy consultant.
Related Reading: How much does an energy audit cost for businesses?
Beyond calculation: Reporting and reduction
Calculating your business carbon footprint is a valuable first step, but its true power lies in using that information to inform action. Here’s where your journey really begins. Here are the key benefits of your reporting.
Transparency and accountability
Reporting your footprint demonstrates your commitment to addressing climate change and will enhance your reputation with customers, stakeholders, and environmentally conscious investors. Potential investors increasingly prioritise Environmental, Social, and Governance (ESG) factors in their decision-making processes, and a transparent approach to carbon footprinting can position your business favourably.
Regulatory changes
The UK government’s commitment to tackling climate change, evidenced by the Climate Change Act 2008, indicates a tightening regulatory landscape. This includes a legally binding target for the UK, aiming to reduce greenhouse gas emissions by 80% by 2050. Proactively calculating and reducing your carbon footprint positions your business favourably ahead of potential future reporting requirements.
Benchmarking and goal-setting
Publicly reporting your emissions allows you to track your progress over time, compare performance with industry peers, and set ambitious reduction targets. This data-driven approach enables you to measure the effectiveness of your initiatives and identify areas for further improvement.
Where to start reducing
Once you’ve identified emissions hotspots through your carbon footprint calculation, you can prioritise actions with the highest impact. Here are some starting points:
- Easy wins: Focus on readily achievable energy efficiency improvements (e.g., upgrading to LED lighting, optimising heating and cooling system settings, implementing employee education programs to encourage responsible energy use). These measures can generate cost savings on your energy bills while reducing your environmental impact.
- Renewable energy: Explore options to switch your electricity supply to a renewable energy provider or invest in on-site renewable energy generation (e.g., solar panels on your office building). Renewable energy sources like solar and wind power produce electricity with minimal greenhouse gas emissions, and the long-term cost benefits can be significant.
- Business travel: Implement policies to encourage more sustainable travel options for your employees. This could involve offering financial incentives for using public transportation or electric vehicles for business travel, promoting carpooling arrangements, and exploring video conferencing or other remote collaboration tools as alternatives to air travel whenever possible.
- Supply chain engagement: Collaborate with key suppliers to reduce emissions within your supply chain. Request sustainability data from your suppliers and prioritise working with partners who share your commitment to environmental responsibility. Consider implementing incentives to encourage suppliers to adopt more sustainable practices throughout their operations.
Resources for reporting and reduction
Once you have calculated your carbon footprint and identified areas for improvement, there are a range of tools and organisations that can help you report your emissions and guide your reduction strategy. Here are some excellent starting points:
- CDP: An international organisation helping businesses and cities disclose their environmental impact
- Science-based targets initiative (SBTI): Provides guidance and validation for setting science-based emissions reduction targets
- Your sustainability consultant: Companies like Renew & Sustain can offer customised guidance and support for reporting your footprint and developing an effective reduction plan.
Related Reading: Small business energy support: All the resources available to you
The journey towards a sustainable future: Start calculating, start reducing
Calculating your business carbon footprint is a crucial step in understanding your environmental impact and unlocking opportunities for improvement. Now that you have a solid foundation, it’s time to turn insights into action.
Almost two-thirds of business leaders (61%) acknowledge that climate change will significantly impact their operations over the next three years. By partnering with Renew & Sustain, you can future-proof your business and proactively tackle this evolving landscape.
Remember, sustainability is an ongoing journey — but one filled with potential. Our team at Renew & Sustain will simplify your transition to greener business operations, helping you achieve those cost savings and environmental goals. We offer personalised solutions tailored specifically to your business’s specific energy needs.
Take a positive step now. Get in touch with our team to request a free, no-obligation quote and explore how we can partner with you to reduce your carbon footprint.
