| to generate electricity | 11 | purpose |
| to fire their plants | 6 | purpose |
| heavily | 3 | degree |
| utility → burn → coal | 20 |
| utility → use → coal | 13 |
| utility → rely on → coal | 6 |
| negative | neutral | positive |
| 0.400 | 0.547 | 0.052 |
| Raw frequency | 39 |
| Normalized frequency | 0.660 |
| Modifier score | 0.638 |
| Perplexity | 208.450 |