Eiffage in exclusive negotiations with BKW for the sale of its majority stake in Volterres

Type: Sale · Technology: Other · Country: France · Announced: 2026-03-09

Eiffage is divesting its 65% stake in Volterres, a renewable electricity supplier providing over 2 TWh annually from 90 partner plants. Swiss energy company.

Analysis

Eiffage is streamlining its European portfolio by entering exclusive negotiations with BKW for the sale of its 65% majority stake in Volterres, a French renewable electricity supplier. This divestment allows Eiffage, a leading European construction and concessions group with €21.8 billion revenue in 2023, to sharpen its focus on core civil engineering and building operations across France and Europe. For BKW, a Switzerland-based international energy and infrastructure company, the acquisition of Volterres represents a direct expansion of its energy production capabilities within the French market. Volterres currently provides over 2 TWh of renewable electricity annually, sourced from 90 partner plants in France, offering BKW immediate operational scale. The undisclosed value of this 65% stake transaction, announced on 2026-03-09, suggests a strategic re-alignment for both parties rather than a pure financial play. BKW's move to acquire a majority stake in Volterres aligns with its profile as an international energy and infrastructure company active in energy production and grid infrastructure. This transaction adds a substantial operational asset in France to BKW's existing Swiss-based energy portfolio. Volterres, though founded in Madrid in 2022 as a renewable energy developer, has established a significant French supply business, complementing its broader pipeline of over 1.5 GW in utility-scale solar PV and battery storage projects across Spain, Italy, and France. Eiffage's decision to divest its 65% holding in Volterres underscores a strategic pivot away from direct renewable electricity supply, allowing the €21.8 billion revenue group to concentrate on its core construction and concessions activities across Europe. While Sun'R, a Lyon-based renewable energy developer specializing in PV solar and agrivoltaic projects since 2007, is listed as a seller, the specific details of its involvement in this 65% stake sale remain unconfirmed by the 2026-03-09 announcement. This deal exemplifies the ongoing portfolio optimization by large European infrastructure players, with established groups like BKW actively consolidating generation assets.

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Counterparties

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