The annual Earth Hour returns Saturday in the midst of the global COVID-19 pandemic, which has amplified energy use in Calgarians’ homes. The city has taken part in Earth Hour, an annual initiative started in Australia that aims to get citizens to shut off their lights and electronics, since 2008. The message is perhaps more salient this year than ever, as COVID-19 keeps Calgarians at home, running up electricity bills in the process. “It’s about all of the digital as well as the electrical consumption,” Wheatley said. “It’s about how we’re connecting. Enmax said Friday the utility “doesn’t really see any perceptible change” during Earth Hour.