| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | energy source | Brazil | Prominence of hydroelectricity as a major energy source. | 1 |
| 2 | energy source | Portugal | Prominence of hydroelectricity as a major energy source. | 1 |
| 3 | energy sources | Argentina | Heavy reliance on hydroelectric power for electricity generation | 1 |
| 4 | energy sources | Brazil | Heavy reliance on hydroelectric power for electricity generation | 1 |
| 5 | power sources | Brazil | Promotion of bioenergy and renewable power sources | 1 |
| 6 | renewable energy | Brazil | Growing reliance on hydropower, but concerns about environmental impact and sustainability | 1 |
| 7 | renewable energy sources | Brazil | Hydropower and bioenergy are prominent renewable energy sources, utilized for both electricity generation and transportation. | 1 |