Use this register for assumptions that materially affect project scope, design, cost, revenue, resilience outcomes, risk, or compliance.
| Assumption ID | Assumption | Used In | Base Value | Sensitivity or Range | Source | Owner | Review Status |
|---|
| A-001 | REPLACE: Construction start date | Implementation plan, financial model | REPLACE: YYYY-MM-DD | REPLACE: Earlier / later date range | REPLACE: Schedule, permit pathway, procurement plan | REPLACE: Owner | REPLACE: Status |
| A-002 | REPLACE: Unit capex benchmark | Engineering design, financial model | REPLACE: Amount and unit | REPLACE: Low / high range | REPLACE: Quote, benchmark, cost estimate | REPLACE: Owner | REPLACE: Status |
| A-003 | REPLACE: Demand growth or service uptake | Demand chapter, financial model | REPLACE: Value | REPLACE: Low / high range | REPLACE: Survey, market data, policy target | REPLACE: Owner | REPLACE: Status |
| A-004 | REPLACE: O&M cost escalation | Financial model, O&M plan | REPLACE: Rate | REPLACE: Low / high range | REPLACE: Sponsor policy, macro assumption, contract | REPLACE: Owner | REPLACE: Status |
| Prompt | Expected Evidence | Owner | Status |
|---|
| Confirm major assumptions have dated sources. | Source file, model note, advisor memo, or sponsor decision record. | REPLACE: Owner | REPLACE: Status |
| Confirm sensitivities cover assumptions that drive investment or resilience decisions. | Sensitivity tab in data/financial-model.xlsx or risk review note. | REPLACE: Owner | REPLACE: Status |
| Confirm assumptions are updated after design, procurement, or clearance changes. | Change log, model version note, or steering committee record. | REPLACE: Owner | REPLACE: Status |