Biggest Blackouts In History: Québec 1989 Solar Storm Posted on August 6, 2019January 15, 2020 By Chris Owens No Comments on Biggest Blackouts In History: Québec 1989 Solar Storm Power Insights, Power News Huge solar storm sends the Québec power grid offline in 90 seconds, leaving nine million residents without electricity for up to nine hours. Read More “Biggest Blackouts In History: Québec 1989 Solar Storm” »