According to 2017 results, the electricity production volume of TGC-1, including PJSC Murmanskaya CHPP, amounted to 29,509.3 million kWh, having increased by 6.6% compared to 2016.
On 18 January 2018, the Analytical Credit Rating Agency (Joint Stock Company) – ACRA (JSC) – assigned AA credit rating with outlook Stable to TGC-1 according to the Russian national scale.