IBM Envizi - Emissions Calculations in Excel

Calculate greenhouse gas (GHG) emissions directly in Microsoft Excel using the Envizi Emissions Calculations in Excel add-in. The add-in helps sustainability, finance, and ESG teams perform trusted Scope 1, Scope 2, and Scope 3 emissions calculations without coding, macros, or external tools. Work entirely within Excel while using globally recognized and regionally specific emission factors.

Key benefits

• Perform emissions calculations directly in Excel using familiar spreadsheet workflows
• Use trusted global and regional emission factors maintained by IBM Envizi
• Avoid custom scripts, macros, or manual calculation models
• Standardize calculations across teams, suppliers, and reporting periods

Supported emissions scopes

Use the Excel add-in to calculate emissions across all major GHG Protocol scopes:

• Scope 1: Direct emissions from owned or controlled sources
• Scope 2: Indirect emissions from purchased electricity, steam, heating, and cooling
• Scope 3: Value chain emissions, including purchased goods and services, transportation, fuel and energy-related activities, investments, and other upstream and downstream categories

The add-in is especially useful for organizations getting started with Scope 3 reporting, which is often the largest and most complex portion of an emissions footprint.

What you get with the Excel add-in

• Prebuilt Excel functions for automated emissions calculations across Scopes 1, 2, and 3
• AI-recommended activity types to speed up mapping of operational and supplier data
• Access to a catalog of more than 240,000 emission factors for accurate calculations
• Flexible factor selection using factor IDs
• Emission factor search and discovery directly within Excel

The add-in can also be used to calculate standardized supplier emissions, helping organizations collect more consistent and comparable Scope 3 data.

Get started in minutes

After installing the add-in from Microsoft Marketplace:

• Sign up for a free trial
• Open Microsoft Excel and sign in using your IBM ID
• Start calculating emissions or retrieving emission factors using built-in Excel functions
• Refer to IBM documentation for step-by-step guidance and examples

Designed for business and enterprise use

The Envizi Emissions Calculations in Excel add-in supports consistent, audit-ready emissions calculations that can be reused across reporting, compliance, and internal sustainability initiatives. It enables teams to align Excel-based calculations with broader Envizi carbon accounting and ESG workflows.

About IBM Envizi

IBM Envizi is a carbon accounting and sustainability platform with more than 15 years of experience supporting global organizations. Envizi helps organizations manage emissions and ESG data across industries and GHG scopes, from carbon accounting and forecasting to supplier emissions and climate risk assessment. Envizi is recognized by Verdantix as a leader in ESG data and performance management, known for strong data acquisition, data quality, and market vision.

Trial and commercial use

The add-in includes access to a free 30-day trial. For higher calculation volumes, commercial use, or access to premium emission factors and advanced Envizi capabilities, see the pricing information or contact the IBM Envizi team.