Review Article
Global Renewable Energy-Based Electricity Generation and Smart Grid System for Energy Security
Table 3
World primary energy demand (%) from 2002 to 2030 [
18].
| Energy sources | 2002 | 2010 | 2020 | 2030 |
| Coal | 23% | 23% | 22% | 22% | Oil | 36% | 35% | 35% | 35% | Gas | 21% | 22% | 24% | 25% | Nuclear | 7% | 6% | 5% | 5% | Hydro | 2% | 2% | 2% | 2% | Biomass and waste | 11% | 10% | 10% | 10% | Others renewable | 0.53% | 0.83% | 1.12% | 1.55% |
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