OGK-2's power plants generated 24.1 bln kWh in the first six months of 2023, which is 5.7% higher than a year earlier. Changes in production volumes were due to increased demand for generating equipment. Heat energy output amounted to 2.867 mln Gcal, having increased by 4.1% as compared with the same period of the previous year. Main reason for the increase was the growth of steam consumption by industrial consumers.