Mezue ahịrịokwu na-esonụ: Ọbụna tupu blackout, na UK pịa na-atụ anya a UK Ẹkot nke
Ọkụ eletrik nke ebe ugwu ọwụwa anyanwụ nke 2003 na North America, nke mere izu abụọ tupu mgbe ahụ (Ọgọst 14) ma metụta ihe dị ka mmadụ 100 karịa. Dị ka ihe atụ, n'August 15, "Daily Express" kọrọ na National Grid nwere ike ọ gaghị enwe ike ịnagide ike ọkụ eletrik a na-atụ anya ya n'oge oyi nke afọ 2004.