Ukrainians could face up to 20 hours of blackouts a day under a “worst-case” scenario if the country cannot repair and properly defend its energy infrastructure from Russian attacks, Executive Director of Ukraine’s largest privately-owned energy company DTEK Dmytro Sakharuk told the Kyiv Independent in an interview on June 9. The company has assessed various scenarios, with the worst being based on a continuation of the status quo — a dearth of air defenses to protect critical infrastructure and the financing to make repairs. Even if the country makes repairs, without missiles for air defense …