Metrics dictionary
This page is the one place where InfraSure metrics are defined. Other pages link here. Each entry links to the page that explains the calculation and its limits.
To learn how to read the four headline metrics, see Read the headline metrics.
Physical-damage metrics
| Metric | Unit | Definition | Portfolio value | Details |
|---|---|---|---|---|
| Hazard Loss | % | Expected annual physical-damage loss (EAL) divided by asset value. | Capacity-weighted. It is not total EAL divided by total asset value. | Read the headline metrics |
| Expected Annual Loss (EAL) | $/year | The mean yearly physical-damage loss across modeled years. | Add asset EALs to get total expected dollar loss. | Review damage and coverage |
| Climate VaR | $, P95 | The annual physical-damage loss that is exceeded with 5% probability. It does not include lost revenue. | See Total Climate VaR. | Read the headline metrics |
| Total Climate VaR | $, P95 | The sum of individual asset Climate VaR values. | It is not the joint P95 loss of the portfolio. Cross-site dependence is not modeled. | Read the headline metrics |
| Probable Maximum Loss (PML) | $ | The modeled loss at the selected return period: 100, 200 or 500 years. | Shown for each asset. | Review damage and coverage |
| Expected Total Annual Loss | $/year | EAL plus Forced Outage Loss and Recovery Loss. | Shown for each asset. | Physical-damage model |
| Loss ratio | % | EAL divided by asset value. It is not claims divided by premium. | Shown for each hazard. | Review damage and coverage |
| Surplus | $ | Policy limit minus PML. It does not show the amount an insurer will pay. | Shown for each hazard. | Review damage and coverage |
Revenue and risk-score metrics
| Metric | Unit | Definition | Portfolio value | Details |
|---|---|---|---|---|
| Risked Revenue | $/MW-year | P75 generation × local price × curtailment adjustment × market-value factor. | Compare assets under the same assumptions. | Revenue model |
| InfraRisk Index | 0–100 | A weighted score across five risk families. A lower score shows lower modeled risk. It is not a loss probability. | Compare assets with the same profile and cohort. | InfraRisk Index |
| Benchmark percentile | 0–100 | The rank of the asset’s index in the selected cohort. A higher percentile means higher risk than the cohort. | Relative to the selected cohort. | InfraRisk Index |
| Red flags | Count | Issues found by the active pass-or-fail rules. A count of zero does not mean that every issue was checked. | Shown for each asset. | InfraRisk Index |
Debt metrics
| Metric | Unit | Definition | Details |
|---|---|---|---|
| CFADS | $ | Cash flow available for debt service: revenue minus operating costs. | Test debt coverage |
| DSCR | × | CFADS divided by debt service. | Test debt coverage |
| Min DSCR | × | The lowest downside-case (P10) DSCR shown in the analysis. | Test debt coverage |
| Covenant Status | Count | The number of heatmap periods below the configured covenant. | Test debt coverage |
| Debt / CFADS | × | Loan principal divided by one year of modeled CFADS. | Test debt coverage |
| LTV | % | Loan principal divided by the plant value in the loan settings. | Test debt coverage |
Resilience metrics
| Metric | Unit | Definition | Details |
|---|---|---|---|
| Loss removed | Percentage points | The modeled reduction in Hazard Loss. | Evaluate resilience measures |
| VaR-95 removed | $ or % | The modeled reduction in P95 loss. | Evaluate resilience measures |
| Premium saving | $/year | The modeled annual premium reduction from a scenario. | Evaluate resilience measures |
| Simple payback | Years | Measure cost divided by modeled annual premium saving. | Evaluate resilience measures |
Percentile direction
The direction of a percentile label depends on the metric. Some labels give the value that is met or exceeded (generation). Others give the value that is exceeded (loss) or fallen below (debt coverage).
| Label | Interpretation |
|---|---|
| P75 generation | Generation meets or exceeds the value with 75% probability. |
| P95 loss | Loss exceeds the value with 5% probability. |
| P10 DSCR | Debt coverage falls below the value with 10% probability. |
| P50 | The middle modeled outcome for the metric. |