Power outages in Ukraine this winter could last up to 12 hours. This is the basic forecast, and the situation could either improve or worsen, informs the CEO of the energy company Yasno, Serhii Kovalenko. He noted that realistic forecasts for winter need to be made by late August. This requires first predicting deficits and understanding probable consumption and generation levels. Kovalenko explained that currently, some units of nuclear power plants are undergoing maintenance. However, they will be operational in the fall, increasing electricity production. Repairs are also underway at hydroe…