The scoring model
Five criteria, weighted to the client's priorities. Each project scores 1 to 3 on each criterion, and the weights turn the five scores into one number.
- Return on investment · 40%
- Thresholds: under 35%, 35 to 50%, over 50%. Set from the mean and median ROI of the 16 projects (47.5% and 50%).
- Environmental focus · 20%
- Direct sustainability impact scores highest.
- Technological feasibility · 15%
- Technology Readiness Level: under 4, 4 to 7, over 8.
- Social impact · 15%
- Direct benefit to communities.
- Implementation feasibility · 10%
- Can it be completed in six months with few external constraints.




