| Similarity | Rank | |
|---|---|---|
| photovoltaics | 0.945 | 66103 |
| solar | 0.901 | 2460 |
| Photovoltaic | 0.893 | 65567 |
| thin-film | 0.869 | 77599 |
| PV | 0.858 | 14682 |
| cogeneration | 0.802 | 76666 |
| SunPower | 0.792 | 93594 |
| renewable | 0.777 | 6153 |
| voltaic | 0.769 | 57929 |
| high-efficiency | 0.765 | 53165 |
| inverters | 0.763 | 49071 |
| light-emitting | 0.759 | 81527 |
| energy-saving | 0.759 | 35516 |
| energy-efficient | 0.758 | 24948 |
| geothermal | 0.751 | 21905 |
| low-voltage | 0.751 | 82876 |
| Solar | 0.749 | 7195 |
| electricity | 0.748 | 3160 |
| polysilicon | 0.746 | 99165 |
| turbines | 0.737 | 14713 |
| inverter | 0.734 | 27906 |
| gas-fired | 0.734 | 70372 |
| off-grid | 0.730 | 64101 |
| megawatts | 0.729 | 34528 |
| gigawatts | 0.727 | 88899 |