The same Judging criteria will be used throughout the Challenge, as they allow our judges to compare different technologies and how well these technologies could deliver against the challenge statement.
Challenge participants will generate a design concept for an innovative technology that outlines how it will purify lunar water to remove the listed contaminants. This design concept must demonstrate potential for future adaptation to the unique constraints of space. The constraints and anticipated environment are outlined in the Mission Scenario.
The selection of our finalist teams, winner and runners up will be based on the following criteria:
| Criterion | Description | Weighting |
| Contaminant removal | To what extent does the technology remove contaminants thought to be present in lunar water? | 20% |
| Appropriateness for mission scenario | To what extent is the technology appropriate for operation on the lunar surface, as specified in the mission scenario? | 20% |
| Innovation | To what extent is the technology innovative compared to the current state of the art? | 12% |
| Reliability | To what extent does the technology operate reliably? | 12% |
| Solution adoption potential | To what extent has the team demonstrated a post-Challenge route to market, adoption and scale for their technology? | 12% |
| Efficiency | To what extent does the technology maximise outputs and minimise inputs? | 6% |
| Resource recovery | To what extent does the technology recover the contaminants from the lunar water? | 6% |
| Autonomy and monitoring | To what extent can the technology operate autonomously, without human intervention (including the extent to which it can provide telemetry)? | 6% |
| Capacity to deliver | To what extent does the team have the technical and commercial expertise to bring the technology forward? | 6% |
