Sonja Hökberg’s death at the Ystad power substation caused a major blackout across Skåne and transformed an infrastructure failure into a murder investigation. The body’s presence among the high-voltage equipment had short-circuited a central point in the regional power grid, leaving a quarter of Skåne without electricity.

Outage and Discovery

On the evening of October 8, power failed across a large part of Skåne. At Sydkraft’s main office, the night-duty operator reported that the outage affected 25 percent of the region and traced the problem to the Ystad power substation. The station was a crucial connection in the network supplying electricity to cities and homes, so a fault there could spread far beyond its rural site.

A technician sent to investigate found the gates open and the transformer-building door ajar. Inside, he discovered a burned body among the electrical equipment. The body had caused the short circuit that plunged the region into darkness. By the time police arrived, the blackout extended from Trelleborg to Kristianstad; hospitals were using emergency generators, while the power company worked to restore supply around the damaged substation. The corpse was later identified as Sonja Hökberg.

From Apparent Death to Suspected Sabotage

The circumstances of Hökberg’s death quickly made a simple accident or suicide inadequate explanations. She had escaped police custody after she and Eva Persson were arrested for the taxi-driver’s murder; when Persson later withdrew her confession and changed her account, Wallander considered the possibility that Hökberg had been killed to prevent her from talking. The blackout therefore became more than the consequence of a death: it raised the possibility that the power failure itself had been deliberately caused.

Wallander’s working theory took shape around a second disturbance in the case. After Tynnes Falk’s body was stolen from the morgue, an electrical relay from the Ystad substation had been left in its place. Wallander saw the relay as a deliberate signal connecting Falk’s death to Hökberg’s fate and the power disruption. The link suggested a common effort to conceal something, while also making the substation’s vulnerability central to the investigation; he resisted treating the theory as settled and continued to look for further evidence.

The eventual inquiry confirmed that the blackout exposed the reach of a carefully engineered attack, but it did not resolve every detail of Hökberg’s death. Investigators never established why she had been thrown against the high-voltage wires, or why Falk possessed the substation blueprints. The outage thus left a double legacy: it revealed how a single point in the electricity network could disrupt life across Skåne, yet its most unsettling physical clue remained only partly explained.

A Model of Vulnerability

The blackout also gives physical force to the case’s recurring warning about interconnected systems. At the substation, one body among the high-voltage equipment was enough to darken a region; later, as the investigation reached Tynnes Falk’s computer, Robert Modin identified the shared weakness of major financial institutions and the possibility that compromising them could trigger worldwide panic. The phrase “We live in a vulnerable society,” spoken at the scene by Nyberg and recalled by Wallander as something Erik Hökberg had also said, links these scales without making them identical: the power failure is a local catastrophe, while the projected attack on financial networks threatens a far wider collapse. On October 20, the danger would have become real if Wallander or Modin had used Carter’s Visa card at precisely 5:31 a.m.; the near-triggered electronic avalanche makes the earlier blackout read as a concrete warning of how ordinary systems can become instruments of disruption.

The Crime That Preceded the Outage

Before the blackout, Hökberg and Eva Persson had spent an evening drinking beer; after ordering a taxi to Rydsgård, they attacked the driver, took his money, and went home separately. When the police arrested them, both admitted involvement and shared the blame, giving money as their motive. That account made the case initially look like a robbery by two young women. The discovery at the substation changed its scale: Hökberg’s death connected the apparent street crime to a regional emergency, while Persson’s later retraction made the girls’ original explanation less secure.