Yekaterinburg Electrical Network Company JSC has been testing high-voltage equipment of its substations. To date, 80% of 110-kilovolt substations and 60% of 35-kilovolt substations have passed the test. The results of testing Kuybyshevskaya, Nizhne-Isetskaya, Botanicheskaya, Bratskaya, Uktus, Beregovaya and VIZ substations have driven the company to replace 110-kilovolt entrances and 35-kilovolt potential transformers at the mentioned substations. This was reported to UrBC representative by the spokesperson for Yekaterinburg Electrical Network Company Ltd.