For organizations taking their steps in ESG data management - where over 86% still rely on Excel for reporting—IBM Envizi’s Emissions API Excel Add-in bridges the gap between manual spreadsheets and automated emissions reporting. It delivers greater efficiency, accuracy, and confidence in sustainability reporting.
Start where you are for free.
The Challenge: When ESG Ambitions Meet Excel Calculation
Many organizations are dependent on Excel for their sustainability journey. Their ambitions are strong, and the tools and systems needed to effectively measure, manage, and report emissions are manual in nature.
Here’s what many ESG clients commonly face:
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Pain Point
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Impact on ESG Data and Reporting
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Manual data entry from multiple systems
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High risk of errors and slow data consolidation
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Limited knowledge of emission factor databases
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Inaccurate calculations and inconsistent reporting
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Budget or resource constraints for full integration
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Continued reliance on spreadsheets and ad-hoc tools
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Difficulty scaling or auditing ESG data
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Inconsistent results across reporting cycles
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Limited access to licensed emission factors
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Dependence on ad-hoc or open-source data sources
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These barriers make sustainability reporting complex and reactive, rather than strategic and data-driven.
Introducing IBM Envizi : Emissions Calculation in Excel
IBM Envizi’s Emissions API Excel Add-In is designed for organizations that aren’t ready for a full ESG platform but need reliable, protocol-aligned emissions data. By embedding Envizi’s Emissions API into Microsoft Excel, teams can calculate emissions from activity data using trusted, globally recognized emission factors—all within their familiar spreadsheet environment. It’s an ideal first step toward scalable, automated ESG data management.
How It Works : Simple, Smart, Seamless
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Add the tool to Excel (no coding required).
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Import activity data such as energy use, travel, or materials.
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Calculate emissions instantly using - Envizi’s verified library of 140,000+ global and regional factors across all scopes and categories.
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Export results or connect to other systems as needed.
Example: From Manual Estimation to Smart Calculation
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Scenario
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Traditional Excel Method
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IBM Envizi: Emissions calculation in Excel
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Scope 2 Electricity Use
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The user manually searches the emission factor from the public database and applies a static conversion formula
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Automatically retrieves the correct grid factor via the Envizi API and calculates emissions in real-time
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Scope 3 Business Travel
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Finance team exports travel data and estimates emissions using generic averages
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Pulls flight distance or hotel stay data directly and applies specific regional emission factors for accurate results
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Result: Faster, more consistent, auditable, and updatable emission data — without needing full ESG software integration.
Key Features of the IBM Envizi Excel Add-In
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Access to 140,000+ verified global and regional emission factors
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API-powered real-time emission calculations
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Works within familiar Excel workflows — no additional training needed
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Automatic data refresh and recalculation when source data changes
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Flexibility to choose the emission factor of choice for reporting needs
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Compatible across all scopes and categories (Scope 1, 2, and 3)
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Built on IBM’s secure data infrastructure
Benefits for Low-Maturity ESG Clients
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Benefit
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Description
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Start Small, Scale Easily
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Begin ESG data management without complex system changes.
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Reduce Manual Errors
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Eliminate factor mismatches and formula mistakes.
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Save Time
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Automate emissions calculation and reporting cycles.
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Increase Credibility
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Use standardized emission factors and aligned with the GHG Protocol.
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Future Ready
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Once mature, easily migrate data from the Excel Add-in to the full IBM Envizi ESG Suite.
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Conclusion: The Smart Start for ESG Data Maturity
IBM Envizi’s Emissions API Excel Add-In makes it easy to move from manual spreadsheets to automated emissions calculations—without big system changes. It’s more than crunching numbers. It’s building a solid foundation for accurate, scalable, and auditable ESG reporting. It’s not just about calculating emissions. It’s about building a foundation for trustworthy, scalable, and auditable ESG reporting.
Start where you are for free.