Finance Tools
Carbon Disclosure Cost Calculator
Estimate the total cost of carbon disclosure reporting based on reporting scope, data coverage, internal effort, and external vendor or consulting fees.
Estimate the cost of carbon disclosure reporting (carbon accounting, emissions inventory, and disclosure prep) using a simple internal-effort model plus optional external fees.
Subsidiaries, business units, or legal entities included in the disclosure.
Physical sites included for data collection and emissions tracking.
Including Scope 3 generally increases effort due to supplier and value-chain data.
Optional spend on carbon accounting tools, ESG consultants, or assurance providers.
Assumptions — Scope: Scope 1 + 2 + 3. This is an estimate to help with budgeting and planning.
Estimated Internal Cost: $152,000
External Fees: $75,000
Total Estimated Disclosure Cost: $227,000
Inputs — Entities: 5, Sites: 20, Scope: Scope 1 + 2 + 3
How to use this carbon disclosure cost calculator
- Enter the number of reporting entities (subsidiaries or business units).
- Enter the number of facilities or sites to include.
- Select reporting scope (Scope 1+2 vs Scope 1+2+3).
- Enter external vendor/consulting fees (if any).
- Review the estimated internal cost and total disclosure cost.
Example
A company reports carbon emissions for 5 business units and 20 sites, including Scope 1+2+3, with $75,000 in external support.
- Reporting entities: 5
- Sites included: 20
- Reporting scope: Scope 1+2+3
- Estimated internal cost: $95,000
- External support: $75,000
- Total estimated disclosure cost: $170,000
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