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Worldwide energy consumption in 1999 was 377 quadrillion BTUs, which is approximately 92.5 quintillion kWh. Solar energy accounts for less than 0.01% of that amount.

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Estimated Worldwide energy consumption so far this year
(1 kWh = 3413BTU)

1999 World Production of Primary Energy (Quadrillion (10x15) Btu)
Petroleum 149.70
Natural Gas 87.31
Coal 84.90
Hydroelectric 27.10
Nuclear 25.25
Geothermal, solar, wind, wood waste 2.83
Source: US DOE EIA