Présentation :

As climate-related events become more frequent and severe, electricity networks face growing pressure. After Storm Austen left hundreds of thousands of customers without power across several French regions, Omexom teams from multiple business units mobilised alongside Enedis to restore supply rapidly and safely.

A Storm That Plunged Entire Regions into Darkness

Storm Austen caused widespread disruption across western and northern France, damaging electricity infrastructure and at its height left some 410,000 homes without power.

As the frequency of severe weather events increases, the ability of Distribution System Operators and their network contractors to respond quickly is critical to minimising disruption and restoring service safely. Following the storm, Omexom teams from several regions were mobilised in conjunction with Enedis to support the emergency restoration of both medium voltage and low voltage networks.

Prompt Mobilization

Speed of response was the key factor. At Omexom Distribution Caen, the initial response was a team of 8, which was then expanded to 17 field staff to support Enedis’ restoration work in Normandy. Team members volunteered to extend their normal working hours and to adjust their personal schedules in order to get power back as quickly as possible.

Further south, Omexom Distribution Montauban responded to a request for assistance. According to Nicolas Sieli, Business Unit Manager, the team was pre-alerted on Thursday by Enedis through the FIRE system (Force d’Intervention Rapide Électricité). Two lineworkers volunteered, and on Friday morning, once Enedis confirmed the mobilization, they travelled from southwest France to Condé-en-Normandie. The whole deployment was organised within a matter of hours.

  • The mobilization was extremely rapid. Our teams were pre-alerted in advance and volunteered immediately when the intervention was confirmed.

    Nicolas Sieli Business Unit Manager, Omexom Distribution Montauban

Working safely in challenging conditions

Restoring a network after a severe storm means more than replacing what the wind has damaged. Across the affected regions, teams worked on damaged low voltage and medium voltage networks: replacing broken poles, restoring overhead line connections and repairing sections of the distribution network.

In the Vendée, crews replaced damaged low voltage and medium voltage supports and restored the electricity network in the communes of Martinet, L’Aiguillon-sur-Vie and Saint-Martin-des-Noyers.

In Brittany, several Omexom and VINCI Energies business units joined the effort, including GT Cornouaille and SDEL Atlantis Lorient. SDEL Atlantis deployed 6 network electricians, 1 light commercial vehicle, 1 heavy vehicle and 2 off-road access platform trucks. The teams worked despite damaged lines, difficult terrain access and degraded weather conditions.

Expertise Built on Experience

The Montauban crews were not new to this kind of work. Earlier this year they intervened after heavy snowfall in Aveyron and following Storm Nils in Tarn-et-Garonne. That accumulated experience helps teams adapt quickly to changing field conditions and work seamlessly with local Enedis crews.

  • This is part of our daily work. Our teams adapt to all situations, and every intervention provides valuable experience that helps prepare for future events.

    Nicolas Sieli Business Unit Manager, Omexom Distribution Montauban

These deployments are also moments of exchange. Technicians value working alongside colleagues and local Enedis teams, which makes the experience, in Nicolas Sieli’s words, extremely rewarding.

One practical lesson stands out. By entrusting the transport of its machinery to dedicated partners, Omexom Distribution Montauban frees its crews from driving heavy goods vehicles. They can reach the Enedis operational bases safely and start work sooner.

What Storm Austen Tells Us About the Future of the Grid

As extreme weather becomes more frequent across Europe, resilient electricity networks are becoming a strategic priority for Distribution System Operators. Emergency response capabilities, trained field teams, specialised fleet resources and strong partnerships between infrastructure operators and contractors will play a growing role in energy security and service continuity.

Storm Austen exposed how susceptible network infrastructure is to increasingly intense weather. It also showed the value of experienced teams who can restore power quickly and safely when disruption strikes.

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