120 days – roughly four months: That’s how much time Maxim Timchenko reckons Ukraine has until cold weather sets in, raising the pressure on Ukraine’s crippled power infrastructure. Timchenko is CEO of the country’s largest private energy operator, DTEK, which has lost power plants in recent Russian attacks – part of a Russian offensive that has wiped out half of Ukraine’s power production. He tells Steven Beardsley how he’s now trying to scrape together every bit of generating capacity he can find, including from renewables.