12-month availability trend
Kelvin Lane · rolling
What this shows
Same data as the monthly bars, drawn as a line so the direction of travel is obvious. Watch for sustained dips below the target, short single-month dips are usually planned outages.
Why it's trending this way
WSC (Excluding Boiler) is AMBER, Quarterly BFP efficiency check, sample within 4 weeks. Recent: 14 Apr, Deaerator level alarm (no impact).
Historical data
| Period | Value | Target | Delta | Status |
|---|---|---|---|---|
| May '25 | 95.7% | 95.0% | +0.7% | On / above target |
| Jun '25 | 96.1% | 95.0% | +1.1% | On / above target |
| Jul '25 | 96.9% | 95.0% | +1.9% | On / above target |
| Aug '25 | 97.2% | 95.0% | +2.2% | On / above target |
| Sep '25 | 97.8% | 95.0% | +2.8% | On / above target |
| Oct '25 | 97.7% | 95.0% | +2.7% | On / above target |
| Nov '25 | 98.5% | 95.0% | +3.5% | On / above target |
| Dec '25 | 98.3% | 95.0% | +3.3% | On / above target |
| Jan '26 | 98.2% | 95.0% | +3.2% | On / above target |
| Feb '26 | 98.0% | 95.0% | +3.0% | On / above target |
| Mar '26 | 97.6% | 95.0% | +2.6% | On / above target |
| Apr '26 | 96.0% | 95.0% | +1.0% | On / above target |