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A power outage is the loss of the electrical power network supply to an end user.
The northeast blackout of 1965 was a significant disruption in the supply of electricity on Tuesday, November 9, 1965, affecting parts of Ontario in Canada and Connecticut, Delaware, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Vermont in the United States. Over 30 million people and 80,000 square miles (207,000 km2) were left without electricity for up to 13 hours.
A rolling blackout, also referred to as rota or rotational load shedding, rota disconnection, feeder rotation, or a rotating outage, is an intentionally engineered electrical power shutdown in which electricity delivery is stopped for non-overlapping periods of time over different parts of the distribution region. Rolling blackouts are a last-resort measure used by an electric utility company to avoid a total blackout of the power system.
The 2005 Java–Bali Blackout was a power outage across Java and Bali on 18 August 2005, affecting some 100 million people.
Electricity in Pakistan is generated, transmitted, distributed, and retail supplied by two vertically integrated public sector companies, Water and Power Development Authority (WAPDA) responsible for the production of hydroelectricity and supplied to the consumers by the power distribution companies (DISCOS) under the Pakistan Electric Power Company (PEPCO). Currently, there are 11 distribution companies and one National Transmission And Dispatch Company (NTDC) all in the public sector, and the Karachi Electric (K-Electric) for the city of Karachi and its surrounding areas. There are around 42 independent power producers (IPPs) that contribute significantly in electricity generation in Pakistan.
The 2010 Chile blackout was an electric power outage that affected most of Chile on March 14, 2010. It began at 8:44 pm on Sunday and continued into the next day. The power was restored in a few hours in some areas, and by midnight in most areas, except in the Biobío Region.
The 2011 Chile blackout was a major power outage that occurred on 24 September 2011, approximately between 20:30 and 21:45 local time, although the time of reinstatement varied geographically. It mainly affected the regions from Coquimbo to Maule, where the blackout was total, but it also reportedly partially affected the Atacama and Bío Bío regions. The blackout affected approximately nine million Chileans.
Several major power outages have occurred in the country of Malaysia.
Two severe power outages affected most of northern and eastern India on 30 and 31 July 2012. The 30 July 2012 blackout affected over 400 million people and was briefly the largest power outage in history by number of people affected, beating the January 2001 blackout in Northern India. The blackout on 31 July is the largest power outage in history. The outage affected more than 620 million people, about 9% of the world population, or half of India's population, spread across 22 states in Northern, Eastern, and Northeast India. An estimated 32 gigawatts of generating capacity was taken offline. Of the affected population, 320 million initially had power, while the rest lacked direct access. Electric service was restored in the affected locations between 31 July and 1 August 2012.
In Ghana, dumsor is a persistent, irregular, and unpredictable electric power outage. It is usually caused by a power supply shortage.
On 15 August 2017 at 4:52 p.m. NST, massive blackout hit northern half of Taiwan, affecting 6.68 million households. Electricity rationing was implemented at 6:00 p.m. and the blackout fully ended at 9:40 p.m.
On 16 June 2019, a large-scale power outage struck most of Argentina, all of Uruguay, and parts of Paraguay, leaving an estimated total of 48 million people without electrical supply.
The West Side of Manhattan in New York City experienced a power failure on July 13, 2019, at approximately 7 p.m. EDT. Con Edison is the energy utility serving the area, and they reported that approximately 73,000 customers were without power. Power was fully restored by midnight. The power failure occurred on the 42nd anniversary of the New York City blackout of 1977, which left nine million customers without power.
The 2020 Sri Lankan blackouts were a series of electrical blackouts that occurred on 17 August 2020, beginning around 12.30 pm SLST (UTC+5:30) and lasting over seven hours. The nationwide blackouts occurred due to a transmission technical failure at the Kerawalapitiya Grid-Sub station. The Ceylon Electricity Board announced that the cause of the blackout had not yet been determined, describing it as an unspecified failure. The Ministry of Power stated that a special committee had been appointed to investigate the root cause behind the blackout.
In February 2021, the state of Texas suffered a major power crisis, which came about during three severe winter storms sweeping across the United States on February 10–11, 13–17, and 15–20. The storms triggered the worst energy infrastructure failure in Texas state history, leading to shortages of water, food, and heat. More than 4.5 million homes and businesses were left without power, some for several days. At least 246 people were killed directly or indirectly, with some estimates as high as 702 killed as a result of the crisis.
The 2023 Pakistan blackout was a power outage that occurred across the entirety of Pakistan on 23 January 2023. This was the second major grid breakdown in Pakistan in 2 years, and the second largest blackout in the history of the world. In the majority of the regions, the blackout lasted about 12-13 hours while in some areas such as rural communities, it lasted even longer, ranging from 24 to 72 hour long outages.
The 2022 Bangladesh blackout was a power outage that occurred across Bangladesh on October 4, 2022. The blackout lasted for almost 7 hours.
The 2015 Pakistan blackout was a power outage that occurred across Pakistan on January 24, 2015.
The 2023 Sri Lankan blackouts were a series of nationwide electrical blackouts which occurred in Sri Lanka on 9 December 2023. Blackouts began at around 5.00 pm SLST (UTC+5:30) and lasted for over three hours. The nationwide blackouts occurred due to a systematic failure in the main supply chain and due to a breakdown of the Kotmale Biyagama transmission line.
References
- ↑ Masood, Salman (2021-01-09). "Much of Pakistan Loses Power in Massive Blackout". The New York Times. ISSN 0362-4331 . Retrieved 2023-06-28.
- ↑ Saifi, Sophia (2021-01-10). "Power outage plunges Pakistan into darkness". CNN. Retrieved 2023-06-28.
- ↑ "'Countrywide blackout' plunges Pakistan into darkness". www.aljazeera.com. Retrieved 2023-06-28.
- ↑ "Nationwide power blackout plunges Pakistan into darkness". The Guardian. Agence France-Presse. 2021-01-10. ISSN 0261-3077 . Retrieved 2023-06-28.
- ↑ "Cities left in the dark amid major electricity breakdown across Pakistan". www.thenews.com.pk. Retrieved 2023-06-28.
- ↑ Parkin, Benjamin; Bokhari, Farhan (2021-01-10). "Pakistan's power restored after massive blackout". Financial Times. Retrieved 2023-06-28.
- ↑ "NTDC fined Rs50m over 2021 blackout". The Express Tribune. 2022-05-06. Retrieved 2023-06-28.