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Here’s what caused the power outages across Klang Valley and Johor

  • BY Alexander Wong
  • 15 October 2025
  • 7:14 pm
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Several areas in Peninsular Malaysia were hit by a major power outage this afternoon which also affected major malls, commercial buildings and traffic lights. As highlighted by Malay Mail, outages were reported across the Klang Valley, Johor Bharu, Kluang, Tampin, Melaka, Ipoh, Kuantan and Sendayan.

According to the latest update from Tenaga Nasional Berhad (TNB), they have fully restored electricity supply to affected areas as of 5:54pm.

To recap, TNB initially announced an electricity power supply disruption in several parts of Kepong in Kuala Lumpur. Eventually, it updated that the power outage also affected more areas across the Klang Valley and Johor Bahru.

TNB has confirmed that the source of the power disruption came from the Edra Power Plant in Melaka. However, it didn’t specify the exact cause of the issue.

Edra Power Holdings Sdn Bhd (Edra) is an independent power producer (IPP) and according to their website, it has a portfolio of 8 power and desalination plants across 4 countries which include the UAE, Pakistan, Bangladesh and Malaysia. It has a total installed capacity of 7,684MW and an effective capacity of 5,042MW.

Edra was formed in 2014 via the consolidation of 3 major IPPs which include Powertek Energy Group, KLPP Group and Jimah Energy Group. Since 2016, Edra became a subsidiary of China General Nuclear Power Corporation (CGN) after the successful acquisition of its operating companies and subsidiaries.

Edra Melaka is the largest CCGT Power Plant in SEA

In Malaysia, Edra has a total of 5 power plants located at Jimah, Telok Gong, Kuala Langat, Kuala Ketil and Alor Gajah.

The Edra Melaka plant at Alor Gajah, Melaka is a combined cycle gas turbine (CCGT) power plant with all 3 units running since 2022. Powered by GE’s HA Gas Turbines, it is the largest of its kind in Southeast Asia with a generating capacity of 2,242MW.

The plant is equipped with three generating blocks capable of generating over 745MW each. Each block utilises GE 9HA.02 gas turbine, a STF-D650 steam engine, a W88 generator and a Heat Recovery Steam Generator (HRSG).

The power plant is 100% owned by the CGN EDRA Group under its subsidiary Edra Energy Sdn Bhd.

[ IMAGE SOURCE ]

Tags: BlackoutCCGTCombined Cycle Gas TurbineEdraEdra Melaka Power PlantEdra Power PlantJohor BharuKuala Lumpurmelakapower outageTenaga Nasional BerhadTNB
Alexander Wong

Alexander Wong

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