Project position
Cascade operates at a stated 2.4 petaflops with 61,440 CPU cores.
SCIENTIFIC COMPUTE · FULL DEEP TRACKER
NIWA Cascade
National scientific computing capability and realised public value.
OPERATINGNew ZealandCONTINUOUSLY MONITOREDUpdated September 2026
STATUSOPERATING
KEY SIGNAL2.4 petaflops
LOCATIONNew Zealand
PUBLIC EVIDENCETracked
WHY IT MATTERS
Strategic significance
Scientific compute underpins weather, climate and environmental intelligence. Its value is expressed through better models, research access and public decisions, not only machine specifications.
CURRENT ASSESSMENT
The system is operating; utilisation and outcomes define strategic value.
Cascade should be tracked through reliability, user access, model improvements, research output, skills and its relationship to wider national compute infrastructure.
EVIDENCE GATES
What is confirmed—and what remains open
Material milestone
It supports nationally important modelling and additional AI workloads.
Commercial proof
Crown-funded access extends to New Zealand’s wider science sector.
KEY FIGURE RECONCILIATION
Do not treat unlike numbers as equivalent
The public commitment or stated project scope.
Physical, technical or operating evidence that the commitment is being executed.
Economic and national outcomes require separate evidence.
DELIVERY & OPERATING STACK
The layers behind the headline
Project propositionDefinedNational scientific computing capability and realised public value.
DeliveryUnder reviewMilestones are updated only when a credible source changes the case.
Commercial adoptionEvidence requiredAnnouncements, pilots, contracts and operating use are treated as different stages.
New Zealand valueContinuously assessedLocal jobs, capability, infrastructure, resilience and export value are tracked separately.
VERIFIED TIMELINE
Milestones and status changes
- 30 May 2025NIWA reports Cascade is operating across two Auckland CDC data centres with Rapids as its scientific data archive.
- CurrentUsage, outcomes and upgrade planning monitored.
STAKEHOLDER MAP
Who shapes the outcome
- Earth Sciences New Zealand / NIWA
- Researchers
- Weather and climate users
- Government agencies
- HPC technology partners
DEPENDENCIES
What must align
- Reliable operation
- Skilled users
- Research data
- Long-term investment
- Upgrade planning
RISKS & OPEN QUESTIONS
What is unresolved
- Hardware obsolescence
- Capacity constraints
- Outcome measurement gaps
NEXT SIGNALS
What Digital.nz will watch
- Utilisation
- Forecast improvements
- Research outputs
- Upgrade path
- AI integration
CORE EVIDENCE REGISTER