| IEEE Test System | Total installed PMUs | Selected critical PMU buses |
| 300 bus system | 87 | 315 109 112 190 268 269 270 272 |
| 2383 polish | 746 | 6 18 29 133 246 309 310 321 322 353 354 361 365 366 374 425 456 494 511 525 526 527 546 556 613 644 645 679 694 717 750 754 755 796 797 870 923 944 978 979 1050 1096 1120 1138 1190 1201 1212 1213 1216 1217 1245 1483 1504 1524 1647 1664 1669 1680 1761 1822 1882 1883 1885 1919 1920 2112 2113 2166 2195 2196 2235 2258 2261 2274 2323 |