Building a business case for energy efficiency

A business case enables calculating the costs, operational risks, Internal Rate of Return (IRR), Net Present Value (NPV), energy use reduction and carbon savings of energy use optimisation projects.

Steps include:

  • Evaluating energy efficiency project costs and the requirements of other (competing) projects
  • Calculating a project’s Internal Rate of Return (IRR) and the Net Present Value (NPV)
  • Calculating the project’s energy and carbon savings
  • Estimating the life of the project
  • Carrying out risk analyses
  • Checking compliance with SANS 10400 and SANS 204 (if applicable 
  • E-mail an enquiry to: or call 08600 37566 and ask that an advisor contacts you.

    Business case for Energy efficiency