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How a German clean-energy champion became an expensive casualty of Shell’s changing priorities — while the oil giant continued pursuing LNG growth and shareholder returns.
24 October 2026
There are corporate embarrassments. There are expensive strategic miscalculations. And then there is Shell’s remarkable ability to make a much-celebrated clean-energy investment disappear from its portfolio just before the insolvency headlines arrive.
In 2019, Sonnen represented the future.
In August 2026, Sonnen represented an asset disposal.
On 22 October 2026, Sonnen represented an insolvency filing.
Welcome to Shell’s energy transition, where yesterday’s pioneering technology can become tomorrow’s discontinued business…