Approximately 400 customers lost electricity in Porvoo on Tuesday evening. The outage began after 7 PM in the Isnäinen and Koskenkylä areas.
Porvoo Energy reported they were investigating an unknown fault in the electrical network. The company's outage map showed the disruption but listed the cause as undetermined.
At 7:30 PM, officials said they were still searching for the problem's origin. They had not yet established an estimated restoration time because the fault remained unidentified.
By 9 PM, power was fully restored across the affected areas. The outage map no longer showed any disruptions in the Porvoo electricity network.
This incident highlights the vulnerability of local power infrastructure to unexpected faults. Even temporary outages can disrupt daily life for hundreds of households.
What causes such electrical faults in Finnish networks? Aging infrastructure and extreme weather conditions often contribute to these service interruptions.
The quick resolution prevented prolonged disruption for Porvoo residents. Power restoration within two hours demonstrates reasonable response capability for this scale of outage.