Several major power outages have occurred in the country of Malaysia.

1992 blackout

On 29 September 1992, Malaysia suffered a long and total power blackout caused by lightning striking a transmission facility and causing a rolling failure in the transmission and distribution system.

1996 blackout

A widespread power outage in Peninsular Malaysia began at 17:17 on 3 August 1996. The states of Peninsular Malaysia – including Kuala Lumpur, Selangor,

Putrajaya Putrajaya (), officially the Federal Territory of Putrajaya ( ms, Wilayah Persekutuan Putrajaya), is a planned capital city which functions as the administrative capital and the judicial capital of Malaysia. The seat of the federal government ...

, Johor, Melaka, and

Negeri Sembilan Negeri Sembilan (, Negeri Sembilan Malay: ''Nogoghi Sombilan'', ''Nismilan'') is a state in Malaysia which lies on the western coast of Peninsular Malaysia. It borders Selangor on the north, Pahang in the east, and Malacca and Johor to the s ...

– lost power for several hours. A transmission line near

Sultan Ismail Power Station The Sultan Ismail Power Station is the largest gas turbine power station in Malaysia, Located in Paka, Terengganu approximately 100 km from the state capital, Kuala Terengganu. It generates 1,136 MW. The station is the first and still rema ...

in Paka, Terengganu tripped at 5:17pm causing all power stations in Peninsular Malaysia to collapse resulting in a massive power failure. Supply was back to normal by 11pm. The weekend power outage was the third in the past four years, and the worst since In the wake of that capacity-related stumble, the government moved to allow five independent power producers to enter the electricity-generation business. After this blackout, utility giant Tenaga Nasional's stock fell considerably.

2003 blackout

The southern Peninsular Malaysia electricity blackout crisis affected the southern part of Peninsular Malaysia, including Kuala Lumpur, Selangor,

Malacca Malacca ( ms, Melaka) is a state in Malaysia located in the southern region of the Malay Peninsula, next to the Strait of Malacca. Its capital is Malacca City, dubbed the Historic City, which has been listed as a UNESCO World Heritage Site si ...

and Johor due to a power failure. The 5 states (including Kuala Lumpur) had been affected for 5 hours from 10.00 am local time (02:00 UTC) to 3.00 pm (07:00 UTC) on September 4, costing industries $13.8 millio

2005 blackout

The northern Peninsular Malaysia blackout crisis was a power outage in Malaysia in 2005 where many states of Malaysia's northern peninsular, including

Perak Perak () is a state of Malaysia on the west coast of the Malay Peninsula. Perak has land borders with the Malaysian states of Kedah to the north, Penang to the northwest, Kelantan and Pahang to the east, and Selangor to the south. Thailand's ...

Penang Penang ( ms, Pulau Pinang, is a Malaysian state located on the northwest coast of Peninsular Malaysia, by the Malacca Strait. It has two parts: Penang Island, where the capital city, George Town, is located, and Seberang Perai on the Malay ...

, Kedah, and Perlis had no electricity owing to a fault of the main cable transmission line grid near Serendah, Selangor.

2013 blackouts

On June 27, 2013, another severe blackout was reported during peak hour ~5.36pm at Sarawak which is claimed to be originated from Bakun Dam causing a trip for the rest of the generators across the grid resulting of severe traffic congestion in the major cities. In July 2013 several power outages also occurred in Kuala Lumpur and Selangor. On July 31, 2013, Puchong encountered a power outage from around 8 PM. During the Puchong power outage of July 31, 2013, a TNB spokesman said: "Our men are on the ground to rectify the situation. We apologise for any inconvenience caused."

2022 blackout

On July 27, 2022, much of the northern parts of Peninsular Malaysia,

Klang Valley Klang Valley ( ms, Lembah Klang; zh, 巴生谷; ) is an urban conglomeration in Malaysia that is centered in the federal territories of Kuala Lumpur and Putrajaya, and includes its adjoining cities and towns in the state of Selangor. It is con ...

, Pahang and

have reported widespread blackout from 12:40 PM onwards. Investigations by TNB revealed that a faulty appliance in Yong Peng North Main Entry Substation (PMU) have triggered the power failure at 12:39 PM. The fault have caused the loss of 10% electrical supply for entire Peninsula Malaysia at 2.2GW. The power outage affected various services including RapidKL trains, KLIA main terminal, traffic lights, and network providers like TM Unifi and Digi. It lasted for up to several hours as power was gradually restored through repairs. Most areas except Klang Valley have the electricity restored within 20 to 40 minutes. The power restoration were completed at 3:02 PM the same day.

References

{{Reflist Power outages Disasters in Malaysia