
BKW Energie
Swiss electricity producer and distributor with activities in energy generation, networks, energy services, and infrastructure.
Last updated August 31, 2026
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Overview
BKW Energie AG, commonly known as BKW, is a Swiss electricity company headquartered in Bern. Its historical core has been the generation, transmission, distribution, and sale of electricity, particularly in the canton of Bern and surrounding areas. The company also supplies or arranges gas and heat through subsidiaries and partner companies and has expanded into energy services and infrastructure activities. The business originated in 1898 as Aktiengesellschaft Elektrizitätswerk Hagneck. It adopted the name Bernische Kraftwerke AG in 1909 and changed to BKW FMB Energie AG in 1995, reflecting a broader and increasingly international business orientation. The company is generally referred to today as BKW Energie or simply BKW. Its activities outside Switzerland have included power-generation interests and energy operations in Germany, Italy, and Austria. BKW has historically operated a diversified generation portfolio. Hydroelectric power has been especially important, with owned or shared facilities in the canton of Bern and interests in installations elsewhere in Switzerland and in northern Italy. The group has also held nuclear-generation interests, including ownership of the Mühleberg Nuclear Power Plant and stakes in other Swiss and French nuclear facilities. Wind and solar assets form smaller but strategically significant parts of its renewable portfolio. In addition, BKW has participated in gas-fired and other thermal-generation projects, particularly through international investments. The company’s network business serves customers through local and distribution networks in Bern and neighboring areas. BKW has also owned high-voltage transmission assets, although operation of the Swiss transmission system is entrusted to Swissgrid. Beyond conventional utility functions, the group has developed energy-management, engineering, building-technology, and infrastructure capabilities, positioning itself as a broader provider of services related to the energy transition rather than solely as a power retailer. BKW has been publicly traded on BX Swiss since 1969 and has also had a listing on the Swiss Stock Exchange since 2003. The Canton of Bern has remained its largest shareholder. Groupe E has also held a significant stake, while E.ON progressively reduced and ultimately exited its former investment during the 2010s. A major operational turning point was the shutdown of the Mühleberg nuclear plant in 2019, after which BKW’s generation strategy increasingly emphasized hydroelectric power, renewables, flexibility, and energy services. By the early 2020s, BKW had become one of Switzerland’s largest energy companies by electricity sales and had grown its workforce substantially. Its present identity combines a regional Swiss utility heritage with cross-border generation, renewable-energy development, grid-related expertise, and infrastructure services.
History
BKW’s origins date to 1898, when the company was established as Aktiengesellschaft Elektrizitätswerk Hagneck. Its early development was tied to the electrification of the Bern region and to the construction and operation of generating facilities capable of supplying growing urban, industrial, and municipal demand. In 1909, the organization adopted the name Bernische Kraftwerke AG, aligning its identity more directly with the canton in which its principal activities were concentrated. During the twentieth century, BKW developed from a regional electricity undertaking into an integrated utility. Its activities came to include power generation, electricity networks, customer supply, and participation in larger Swiss electricity projects. Hydroelectric facilities in Bern and other cantons became a central part of its generation base. The company also acquired or maintained interests in nuclear plants, including the Mühleberg plant and shares in facilities in Switzerland and France. This combination gave BKW access to substantial baseload and renewable generation, while its distribution networks supported electricity supply to communities across Bern and nearby areas. The company changed its name again in 1995 to BKW FMB Energie AG. The change reflected an effort to present the business as more internationally oriented and commercially diversified. Over time, BKW participated in generation projects beyond Switzerland, including hydroelectric, wind, biomass, and gas-fired projects in Italy and Germany. It also considered or pursued several larger thermal-generation projects during the 2000s, when European utilities were attempting to respond to increased demand and changing wholesale-market conditions. BKW’s public-market history began with a quotation on BX Swiss in 1969. From 2003, its shares were also traded on the Swiss Stock Exchange. The Canton of Bern remained the largest shareholder, while Groupe E became another important shareholder. E.ON once owned a substantial stake, but began reducing it in 2010 and completed its exit in 2014. These ownership changes took place as BKW continued to operate as a listed company with strong public-sector influence. The company’s nuclear strategy changed significantly in the 2010s. BKW decided to close Mühleberg, which ceased generation in 2019. The shutdown represented a transition away from the plant-centered model that had characterized a substantial part of the company’s historic generation portfolio. BKW increasingly emphasized hydroelectric generation, solar and wind projects, energy efficiency, digital and technical services, and infrastructure capabilities. Its network assets remained important, although responsibility for operating the national Swiss transmission grid lies with Swissgrid. By the early 2020s, BKW had expanded beyond the conventional profile of a regional power distributor. It described its activities through three broad areas: energy, networks, and services or infrastructure-related businesses. The group continued to operate principally in Switzerland while retaining cross-border activities in parts of Europe. Leadership changed in late 2022, when Robert Itschner became chief executive after Suzanne Thoma. In the same period, BKW reported record financial results and a workforce of approximately 11,500, illustrating the scale reached by the group after more than a century of development.
- 2022
Robert Itschner becomes CEO
[1]Robert Itschner succeeded Suzanne Thoma as chief executive in late 2022.
- 2019
Mühleberg Nuclear Power Plant shuts down
[1]BKW ended generation at its Mühleberg nuclear facility, accelerating the transition of its generation portfolio.
- 2014
E.ON completes divestment
[1]E.ON completed its withdrawal from BKW after progressively selling down its holding.
- 2010
E.ON begins reducing its BKW stake
[1]E.ON started the process of divesting its significant investment in BKW.
- 2003
Added a Swiss Stock Exchange listing
[1]BKW shares began trading on the Swiss Stock Exchange in addition to BX Swiss.
- 1995
Adopted the name BKW FMB Energie AG
[1]The name change reflected a more international and diversified business orientation.
- 1969
Shares begin trading on BX Swiss
[1]BKW became publicly quoted on the Bern-based exchange.
- 1909
Renamed Bernische Kraftwerke AG
[1]The company adopted the name associated with its principal regional market and public-utility identity.
- 1898
Company established as Aktiengesellschaft Elektrizitätswerk Hagneck
[1]BKW’s predecessor was founded to develop electricity generation and supply in the Bern region.
Products and positioning
A Swiss energy and infrastructure group supporting electricity supply, renewable generation, and the transition toward more efficient and decentralized energy systems.
Electricity · 1898
Electricity generation and supply
Electricity remains BKW’s principal historical business. The company generates power through owned and shared facilities and sells or supplies electricity through its regional and broader market activities. Its portfolio has included hydroelectric, nuclear, solar, wind, biomass, and gas-fired generation. Hydroelectric production is particularly significant, with assets and participation interests in Switzerland and Italy. BKW also provides electricity through local and distribution networks serving communities in the canton of Bern and surrounding areas.
Renewable energy
Hydroelectric power
Hydropower is one of BKW’s most important generation technologies. Owned or shared facilities include plants in the canton of Bern, such as installations associated with Aarberg, Bannwil, Kallnach, Kandergrund, Mühleberg, Niederried, Schattenhalb, and Spiez. BKW also holds interests in larger Swiss hydroelectric companies and in Italian hydro assets. These investments provide renewable generation and help anchor the company’s portfolio in long-established Alpine and regional water resources.
Nuclear energy
Nuclear power interests
BKW historically operated the Mühleberg Nuclear Power Plant and held minority interests in other Swiss and French nuclear facilities, including Leibstadt, Cattenom, and Fessenheim. Mühleberg was shut down in 2019, ending BKW’s operation of its own nuclear plant. Nuclear power nevertheless formed an important part of the company’s earlier generation mix and influenced its long-term portfolio planning.
Renewable energy
Wind and solar generation
BKW has developed and participated in wind and solar facilities as part of the diversification of its generation portfolio. Referenced assets include the Mont-Soleil solar facility and solar installations at the Stade de Suisse, as well as the Juvent wind project in Switzerland and a wind facility in Saxony, Germany. These assets are smaller than the group’s major hydroelectric interests but support its renewable-energy positioning.
Energy services
Energy services and infrastructure
BKW has expanded into services connected with energy management, efficiency, engineering, building technology, and infrastructure. These activities complement power generation and network operations by helping commercial, public-sector, and infrastructure customers plan, operate, and modernize energy-related systems. The services orientation reflects BKW’s evolution from a conventional regional utility into a broader energy and infrastructure group.
Utility services
Gas and heat
Through subsidiaries and partner companies, BKW has also been involved in the provision of gas and heat. These activities broaden the company’s utility offering beyond electricity and connect with district-energy, industrial-energy, and combined heat-and-power requirements. The available reference material does not establish a single consumer-facing product name or a complete current portfolio.
Brand decisions
2022
Continue developing an integrated energy and infrastructure groupStrategyBackground
BKW had expanded beyond regional electricity distribution into generation, networks, energy services, and infrastructure activities across Switzerland and selected European markets.
Action taken
The group continued operating across energy, network, and service activities while increasing its organizational scale and maintaining a stronger focus on renewable and transition-related capabilities.
Aftermath
By 2022, BKW reported record earnings and approximately 11,500 employees, indicating the scale of the diversified group.
Revenue. CHF 5.199 billion (Fiscal year 2022)
2019
Close the Mühleberg Nuclear Power PlantGeneration changeBackground
Mühleberg was a major part of BKW’s historical generation portfolio. The company chose to end operations at the plant as the Swiss nuclear and energy landscape changed.
Action taken
BKW permanently shut down the Mühleberg facility in 2019 and shifted greater strategic emphasis toward hydroelectric power, renewables, energy services, and infrastructure.
Aftermath
The closure marked the end of BKW’s operation of its own nuclear plant and represented a significant change in the group’s generation profile.
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