For the third year in a row, Rosseti’s Group, even amid a 48% increase in the number of hazardous meteorological events, has qualitatively improved the reliability and safety of consumers’ electricity supply in the autumn-winter period.
During the 2019-2020 autumn-winter period, the total number of technological failures in the grids of all voltage classes, including 0.4 kV, was reduced by 5% in all regions of presence of the Rosseti company in comparison with the 2018-2019 season. Moreover, even in difficult weather conditions, Rosseti restored electricity to consumers on average in less than 1.5 hours, which is 54% faster than 5 years ago.
“New approaches to preparation and risk-oriented management of grid infrastructure during peak periods have allowed Rosseti, in spite of the growing number of dangerous weather events, to qualitatively improve reliability indicators for the third year in a row - today one of the highest in the world. This is, first of all, the merit of our employees who are ready to change, learn new skills in the framework of digital transformation, and constantly improve their own professionalism. I am grateful to the entire team of our company and urge you to also responsibly approach the preparations for the next autumn-winter season in order to pass it even better,” stressed Pavel Livinskiy, Director General of Rosseti.
Despite the climate change, which worsens the weather conditions for the operation of grid companies, Rosseti improved the SAIDI indicator (average duration of an interruption at the delivery point) by 0.6% compared to the period from 15 October to 15 April of 2018-2019 to 0.61 hour and by 2% - the SAIFI indicator (average frequency of interruption of electricity transmission to the delivery point) to 0.41 pcs.
In the period of preparation for the 2019-2020 autumn-winter period, the enterprises of Rosseti’s Group carried out a large-scale repair program. On average, overfulfillment of planned targets for key positions amounted to 116%. In total, nearly 140,000 kilometres of routes along overhead lines were cleared and over 163,000 kilometres of overhead power lines of voltage classes of 35 kV and higher were repaired. Also, more than 583 power transformers and more than 38,900 transformer substations were repaired. In addition, 41,500 pieces of switching equipment were repaired.
Rosseti also paid traditional attention to staff training. Before the 2019-2020 autumn-winter period, 169 joint exercises were conducted to eliminate technological violations, including with participation of the EMERCOM of Russia, local authorities, housing and communal service organizations.