A technical fault at the Espoo electricity station near Helsinki caused the Estonia-Finland Estlink 1 electricity cable to go offline on March 9, 2024, but the link was subsequently restored.

Energy & Infrastructure AttacksCritical Infrastructure SabotagePower grids, pipelines

Unclassified

Summary

On March 9, 2024, a technical fault at an electricity station in Espoo near Helsinki led to one of the two undersea Estlink electricity cables connecting Estonia and Finland going offline. The Estlink 1 power cable, a 350MW direct connection operational since 2006, was affected by this fault resulting in temporary disruption. The issue was resolved and the link was restored on the same day. This incident highlights the vulnerability of critical electricity infrastructure linking Estonia and Finland. The Estlink 1 cable serves as an important energy supply route across the Gulf of Finland. The cable outage may have contributed to supply concerns, but no deliberate sabotage or hostile action was reported. Further repairs are underway for other related Estlink infrastructure, including Estlink 2.

Classification

Confidence: High

The event describes a technical fault causing a temporary outage of the Estlink 1 electricity cable linking Estonia and Finland. There is no evidence or claim of hostile or aggressive actions, sabotage, or cyberattack. The event purely reports an infrastructure technical issue with restoration. Thus, it is not classified as aggressor activity nor as defense preparation.

Source URL

https://news.err.ee/1609277028/technical-fault-puts-estonia-finland-estlink-1-electricity-cable-out-of-action

Open source

Provenance

Publisher: csv-import
Submitted: Feb 1, 2026, 00:14 UTC
Last updated: Nov 8, 2026, 22:28 UTC
Event time: Mar 9, 2024, 02:00 UTC

Published as a hybrid-warfare signal with a public source and reviewer-approved assessment bands. See the methodology for how records are assessed.

Raw record

{
  "id": "a7f2b630-e1c7-4cbc-89de-f25a32bb49bd",
  "url": "https://news.err.ee/1609277028/technical-fault-puts-estonia-finland-estlink-1-electricity-cable-out-of-action",
  "source": "csv-import",
  "status": "approved",
  "category": "Energy & Infrastructure Attacks",
  "subcategory": "Critical Infrastructure Sabotage",
  "incident_type": "Power grids, pipelines",
  "country": "Estonia",
  "source_reliability": "C",
  "info_credibility": "3",
  "tags": [
    "Estlink 1",
    "electricity cable",
    "technical fault",
    "Estonia",
    "Finland",
    "energy infrastructure",
    "undersea cable",
    "power outages"
  ],
  "nodes": [],
  "countries": [],
  "where_text": "Undersea",
  "headline": null,
  "description": "A technical fault at an electricity station in Espoo, near Helsinki, caused one of two electricity cables which connect Estonia and Finland to go offline on Saturday, March 9, 2024. The fault affected Estlink 1, a 350MW electricity connection started in 2006. The disruption was due to a technical fault at the Finnish station, and the link was restored later the same day. Estlink 1 is a key undersea electricity interconnection between the two countries, and the fault temporarily took it out of service. This cable outage occurred amid ongoing infrastructure repairs on Estlink 2 and discussions about regional power connections.",
  "summary_short": "A technical fault at the Espoo electricity station near Helsinki caused the Estonia-Finland Estlink 1 electricity cable to go offline on March 9, 2024, but the link was subsequently restored.",
  "summary_extended": "On March 9, 2024, a technical fault at an electricity station in Espoo near Helsinki led to one of the two undersea Estlink electricity cables connecting Estonia and Finland going offline. The Estlink 1 power cable, a 350MW direct connection operational since 2006, was affected by this fault resulting in temporary disruption. The issue was resolved and the link was restored on the same day. This incident highlights the vulnerability of critical electricity infrastructure linking Estonia and Finland. The Estlink 1 cable serves as an important energy supply route across the Gulf of Finland. The cable outage may have contributed to supply concerns, but no deliberate sabotage or hostile action was reported. Further repairs are underway for other related Estlink infrastructure, including Estlink 2.",
  "actor_primary": "Finnish electricity station",
  "target_primary": null,
  "location_text": "Espoo near Helsinki, Finland; Estonia-Finland electricity cable",
  "location_region": null,
  "location_coordinates_lat": 58.595272,
  "location_coordinates_lon": 25.013607,
  "location_precision": "Regional",
  "is_aggressor_signal": false,
  "signal_type": "HYBRID_SIGNAL",
  "is_hybrid_war_signal": false,
  "classification_complete": true,
  "hybrid_signal_complete": true,
  "classification_confidence": "High",
  "classification_rationale": "The event describes a technical fault causing a temporary outage of the Estlink 1 electricity cable linking Estonia and Finland. There is no evidence or claim of hostile or aggressive actions, sabotage, or cyberattack. The event purely reports an infrastructure technical issue with restoration. Thus, it is not classified as aggressor activity nor as defense preparation.",
  "event_time_utc": "2024-03-09T02:00:00.000Z",
  "end_time_utc": "2024-03-09T02:30:00.000Z",
  "event_time_confidence": "pm1h",
  "created_at": "2026-02-01T00:14:43.043Z",
  "updated_at": "2026-11-08T22:28:56.712Z",
  "reliability_band": "strong",
  "location_precision_band": "regional",
  "time_precision_band": "within_1h",
  "severity_band": "minor",
  "attribution_confidence_band": "high",
  "attribution_basis": "single_source"
}

Public assessmentReliability: StrongSeverity: MinorAttribution: HighSingle sourceTime: Within 1 hourLocation: Regional

Source reliability

Info credibility

Event time

Mar 9, 2024, 02:00 UTC

End time

Mar 9, 2024, 02:30 UTC

Event time confidence

pm1h

Location

Espoo near Helsinki, Finland; Estonia-Finland electricity cable

Primary actor

Finnish electricity station

Country

Estonia

Tags

Estlink 1, electricity cable, technical fault, Estonia, Finland, energy infrastructure, undersea cable, power outages

Loading signal...

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