Climate Action ROI Calculator
Cost-benefit of climate mitigation actions.
Inputs
%
Results
Net present value ($)
$11,647
Benefit-cost ratio2.16
Simple payback (years)6.9
Internal rate of return (%)13.4%
Annual benefit ($)$1,455
Total CO2 avoided (tonnes)100
Abatement cost ($/tonne)-140
NPV of benefits ($)$21,647
How to Use This Calculator
- Enter investment cost ($) and estimated annual CO₂ reduction (tonnes/yr).
- Set annual energy savings ($/yr), project lifespan (years), discount rate (%), and carbon price ($/tonne).
- Review Net Present Value, Benefit-Cost Ratio, Simple Payback (years), and IRR (%).
- A benefit-cost ratio above 1.0 means the climate investment pays for itself in present value terms.
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