Table 3.
Characteristics of different clusters and weather parameters for the various EIA regions. Clusters are numbered with increasing numbers from 1 (highest outage impact) to n (lowest impact).
| Region | Cluster | Mean Customer Outages* | Rain total (mm) | Max wind max (m/s) | Mean wind max (m/s) | Max gust max (m/s) | Mean gust max (m/s) | Max feel max (°C) | Mean feel max (°C) | Feel above 32.2 °C (h) | Feel above 39.4 °C (h) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CALISO (California ISO) | 1 | 3.90 | 2 × 10⁻³ | 12.9 | 5.8 | 18.0 | 5.5 | 38.3 | 33.3 | 2.56 | - |
| 2 | 3.33 | 0.14 | 12.3 | 2.5 | 17.5 | 1.3 | 37.3 | 29.4 | 0.02 | - | |
| 3 | 3.05 | 0.01 | 11.3 | 4.4 | - | - | 34.8 | 25.3 | 0.02 | - | |
| 4 | 2.87 | 2 × 10⁻³ | 3.1 | 1.5 | - | - | 33.1 | 25.2 | 0.0 | - | |
| Northwest Region | 1 | 2.68 | 8.52 | 10.3 | 6.4 | - | - | 32.7 | 19.1 | - | - |
| 2 | 2.58 | 0.11 | 12.9 | 6.6 | - | - | 38.2 | 31.8 | - | - | |
| 3 | 2.43 | 0.0 | 10.3 | 6.0 | - | - | 29.9 | 23.6 | - | - | |
| 4 | 2.03 | 0.55 | 2.6 | 1.6 | - | - | 19.4 | 17.5 | - | - | |
| 5 | 1.76 | 0.09 | 4.6 | 2.6 | - | - | 25.0 | 20.3 | - | - | |
| 6 | 0.73 | 0.0 | 4.6 | 2.4 | - | - | 34.3 | 28.3 | - | - | |
| SWPP (Southwest Power Pool ISO) | 1 | 1.22 | 0.01 | - | - | - | - | 47.3 | 40.4 | 2.46 | 0.92 |
| 2 | 0.92 | 0.27 | - | - | - | - | 45.3 | 30.4 | 0.97 | 0.17 | |
| 3 | 0.77 | 0.0 | - | - | - | - | 38.3 | 32.2 | 0.0 | 0.0 | |
| 4 | -0.14 | 0.0 | - | - | - | - | 23.0 | 22.9 | 0.0 | 0.0 | |
| ERCOT (Electric Reliability Council of Texas) | 1 | 1.57 | 0.06 | 13.9 | 4.7 | - | - | 47.7 | 38.9 | 4.05 | 1.19 |
| 2 | 1.24 | 0.01 | 16.5 | 6.3 | - | - | 44.2 | 34.8 | 0.11 | 0.01 | |
| 3 | 0.92 | 0.01 | 4.1 | 2.1 | - | - | 47.0 | 33.9 | 0.60 | 0.00 | |
| 4 | 0.85 | 0.59 | 9.8 | 4.4 | - | - | 43.8 | 28.3 | 0.0 | 0.0 | |
| 5 | 0.71 | 0.00 | 2.6 | 1.2 | - | - | 30.0 | 26.0 | 0.05 | 0.00 | |
| MISO (Midcontinent ISO) | 1 | 1.42 | 0.01 | 11.8 | 4.8 | 15.4 | 1.8 | 45.3 | 37.1 | 3.51 | 1.64 |
| 2 | 1.36 | 0.87 | 17.0 | 1.6 | 27.8 | 0.3 | 47.8 | 39.3 | 3.04 | 0.03 | |
| 3 | 0.95 | 0.0 | 2.1 | 0.6 | 0.0 | 0.0 | 35.1 | 31.7 | 0.00 | 0.00 | |
| 4 | 0.82 | 0.01 | 11.8 | 2.2 | 15.4 | 2.2 | 45.8 | 28.7 | 0.43 | 0.29 | |
| 5 | 0.80 | 0.04 | 8.7 | 2.2 | 0.0 | 0.0 | 42.1 | 30.2 | 0.71 | 0.01 | |
| Southeast region | 1 | 4.10 | - | - | - | - | - | - | - | 8.80 | 0.0 |
| 2 | 1.35 | - | - | - | - | - | - | - | 4.69 | 1.30 | |
| 3 | 0.80 | - | - | - | - | - | - | - | 0.20 | 0.0 | |
| PJM ISO | 1 | 2.15 | - | - | - | - | - | 40.4 | 31.3 | 1.22 | - |
| 2 | 1.56 | - | - | - | - | - | 32.2 | 26.6 | 0.0 | - | |
| NYISO & ISO-NE (New York ISO & ISO New England) | 1 | 3.06 | - | 6.7 | 0.6 | - | - | 39.6 | 29.9 | 3.04 | - |
| 2 | 2.76 | - | 0.0 | 0.0 | - | - | 35.4 | 35.4 | 0.0 | - |
*Values shown on a log scale.