As user jumpingmice pointed out the obvious error in your numbers, the figure you've cited from [1] as the yearly power used was the yearly power saved by adopt

As user jumpingmice pointed out the obvious error in your numbers, the figure you've cited from [1] as the yearly power used was the yearly power saved by adopting efficient light bulbs: > Throughout the rest of the campus, the school has completely replaced their lights with more energy efficient, low wattage bulbs that save an average of 376,394 kW hours per year in energy. Their overall lighting plan has saved more than 20.6 million kilowatt hours in total. GIGO