| to generate electricity | 4 | purpose |
| commonly | 3 | temporal |
| at this point | 2 | temporal |
| methane → be used for → heating | 14 |
| methane → be used to generate → heat | 11 |
| methane → be used to produce → heat | 6 |
| methane → be burned for → heating | 3 |
| negative | neutral | positive |
| 0.201 | 0.711 | 0.088 |
| Raw frequency | 34 |
| Normalized frequency | 0.515 |
| Modifier score | 0.800 |
| Perplexity | 31.402 |