Damaged interconnector linked to Malta power outage

by Tom Russell in Cables Interconnectors 24/12/2019 4C Offshore

Yesterday (23 December 2019) morning Maltese transmission system operator Enemalta plc revealed that it suffered an extensive power outage. After further investigations, the root cause of the issue was attributed to 200 MW Malta–Sicily interconnector which connects the power grid of Malta with the Italian Transmission Network.

Enemalta began effort to restore the power supply started being restored around 10:04 am with the use of emergency turbines. Electricity supply was back to normal by around 1pm.

Enemalta has since confirmed that two of the three conductors and all fibreoptic lines about 30 kilometers from Sicily have been damaged. At the time of the incident, the interconnector has been loaded with a full load because there were limitations in the capacity of generating plants in Delimara site.

The interconnector is expected to take weeks to be fixed, it reducing the flexibility that Enemalta has at its disposal. The company stated that this may result in an interruption in the electricity supply from time to time circumstances.
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