| Similarity | Rank | |
|---|---|---|
| coal-fired | 0.919 | 36383 |
| cogeneration | 0.882 | 76666 |
| boilers | 0.836 | 25056 |
| gasification | 0.808 | 64900 |
| geothermal | 0.804 | 21905 |
| turbines | 0.798 | 14713 |
| electricity | 0.796 | 3160 |
| megawatts | 0.796 | 34528 |
| heating | 0.785 | 4216 |
| MWe | 0.785 | 81615 |
| furnaces | 0.784 | 30904 |
| renewables | 0.781 | 27442 |
| biomass | 0.780 | 16091 |
| hydroelectric | 0.779 | 35239 |
| megawatt | 0.778 | 56860 |
| turbine | 0.777 | 13697 |
| fossil-fuel | 0.777 | 91442 |
| renewable | 0.768 | 6153 |
| heaters | 0.766 | 15430 |
| gas | 0.764 | 1338 |
| hydro-electric | 0.763 | 98559 |
| boiler | 0.762 | 13188 |
| high-efficiency | 0.750 | 53165 |
| kW | 0.750 | 27413 |
| biogas | 0.750 | 44510 |