En+ Group currently retains plans to build four hydropower plants, Mikhail Khardikov, head of the company's energy business, said. There has been no revision of investments in hydropower plants yet, as the company currently has no mechanism for investment and payback. "They need to be reviewed when the start of construction in 6-9 months, and the company is ready to spend money," he explained. Earlier, it was reported that the amount of investment could be more than ₽300 billion.