| alternate current | 0.52 |
| use natural gas | 0.47 |
| use oil | 0.42 |
| flow through wire | 0.40 |
| flow in one direction | 0.35 |
| energize light | 0.35 |
| flow through circuit | 0.35 |
| charge the battery | 0.34 |
| produce heat | 0.34 |
| use wind | 0.34 |
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| cheaper | 0.60 |
| renewable | 0.59 |
| clean | 0.51 |
| 100% renewable | 0.51 |
| expensive | 0.47 |
| positive | 0.45 |
| more expensive | 0.44 |
| plentiful | 0.42 |
| affordable | 0.41 |
| negative | 0.41 |
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| power | 0.41 |
| energy | 0.40 |
| secondary energy source | 0.38 |
| commodity | 0.34 |
| practical energy source | 0.25 |
| the flow of energy | 0.25 |
| generated | 0.72 |
| generated by wind | 0.68 |
| generated by solar | 0.66 |
| generated by solar pane… | 0.66 |
| generated by coal | 0.63 |
| generated by renewable | 0.62 |
| sold | 0.62 |
| produced by wind turbin… | 0.62 |
| generated by power plan… | 0.61 |
| generated in the united… | 0.61 |
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| lighting | 0.52 |
| heating | 0.49 |
| cooling | 0.48 |
| air conditioning | 0.38 |
| transportation | 0.27 |
| self-consumption | 0.25 |