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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.
The National Grid is the high-voltage electric power transmission network serving Great Britain, connecting power stations and major substations, and ensuring that electricity generated anywhere on the grid can be used to satisfy demand elsewhere. The network serves the majority of Great Britain and some of the surrounding islands. It does not cover Northern Ireland, which is part of the Irish single electricity market.
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 2003 Italy blackout was a serious power outage that affected all of the Italian Peninsula for 12 hours and part of Switzerland near Geneva for 3 hours on 28 September 2003. It was the largest blackout in the series of blackouts in 2003, involving about 56 million people.
An electrical grid is an interconnected network for electricity delivery from producers to consumers. Electrical grids consist of power stations, electrical substations to step voltage up or down, electric power transmission to carry power over long distances, and finally electric power distribution to customers. In that last step, voltage is stepped down again to the required service voltage. Power stations are typically built close to energy sources and far from densely populated areas. Electrical grids vary in size and can cover whole countries or continents. From small to large there are microgrids, wide area synchronous grids, and super grids.
The 1999 Southern Brazil blackout was a widespread power outage that started in Brazil on March 11 and lasted until June 22, 1999.
The 1996 Western North America blackouts were two widespread power outages that occurred across Western Canada, the Western United States, and Northwest Mexico on July 2 and August 10, 1996. They were spread 6 weeks apart and were thought to be similarly caused by excess demand during a hot summer.
The utility electricity sector in Bangladesh has one national grid operated by Power Grid Company of Bangladesh with an installed capacity of 25,700 MW as of June 2022. Bangladesh's energy sector is not up to the mark. However, per capita energy consumption in Bangladesh is considered higher than the production. Electricity was introduced to the country on 7 December 1901.
The Ceylon Electricity Board - CEB, is the largest electricity company in Sri Lanka. With a market share of nearly 100%, it controls all major functions of electricity generation, transmission, distribution and retailing in Sri Lanka. It is one of the only two on-grid electricity companies in the country; the other being Lanka Electricity Company (LECO). The company earned approximately Rs 204.7 billion in 2014, with a total of nearly 5.42 million consumer accounts. It is a government-owned and controlled utility of Sri Lanka that takes care of the general energy facilities of the island. The Ministry of Power and Energy is the responsible ministry above the CEB. Ceylon Electricity Board (CEB), established by the CEB Act No. 17 of 1969, is under the legal obligation to develop and maintain an efficient, coordinated and economical system of electricity supply in accordance with any licenses issued.
The 2011 Southwest blackout, also known as the Great Blackout of 2011, was a widespread power outage that affected the San Diego–Tijuana area, southern Orange County, Imperial Valley, Mexicali Valley, Coachella Valley, and parts of Arizona. It occurred on Thursday, September 8, 2011, beginning at about 3:38pm PDT, and was the largest power failure in California history.
Several major power outages have occurred in the country of Malaysia.
The Bangladesh Power Development Board (BPDB) is a government agency operating under the Ministry of Power, Energy and Mineral Resources, Government of the People's Republic of Bangladesh. It was created as a public-sector organization to boost the country's power sector after the emergence of Bangladesh as an independent state in 1972. This government organization is responsible for planning and developing the nation's power infrastructure and for operating much of its power generation facilities. The BPDB is responsible for the major portion of generation and distribution of electricity mainly in urban areas of the country.
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 lasted about 13.5 hrs. During that period, it was the largest power outage in history by number of people affected, beating the January 2001 blackout in Northern India. Similar conditions caused a blackout on the next day, which remained the largest power outage in history as of April 2024. The outage affected more than 620 million people, 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.
The electricity sector in Macau ranges from generation, transmission, distribution and sales of electricity in Macau, China.
The 2015 Turkey blackout was a widespread power outage that occurred in almost all parts of Turkey in the morning of Tuesday, 31 March 2015.
The National Grid is the high-voltage electricity transmission network in India, connecting power stations and major substations and ensuring that electricity generated anywhere in India can be used to satisfy demand elsewhere. The National Grid is owned, and maintained by state-owned Power Grid Corporation of India and operated by state-owned Power System Operation Corporation. It is one of the largest operational synchronous grids in the world with 417.68 GW of installed power generation capacity as of 31 May 2023.
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.
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.
References
- ↑ "Bangladesh electricity restored after major blackout". BBC News. 2014-11-02. Retrieved 2024-04-17.
- 1 2 3 Kabir, Md. Arifur; Sajeeb, M. Mahmudul Hasan; Chowdhury, Syed Md. Sifat Morshed; Chowdhury, A. Hasib (21–23 December 2015). Analysis of real time frequency transients and inertia estimation of Bangladesh power system. 18th International Conference on Computer and Information Technology. pp. 117–118. doi:10.1109/ICCITechn.2015.7488053. Adapted from "Frequency transient analysis of countrywide blackout of Bangladesh power system on 1st November, 2014".
- ↑ "Bangladesh blackout nearly over as power restored to major cities".
- ↑ "Nationwide blackout in Bangladesh ends – LA Times". Los Angeles Times . 2 November 2016. Retrieved 3 November 2016.
- ↑ "Bangladesh electricity blackouts after power line fails". BBC News. 2014-11-01. Retrieved 2024-04-17.
- ↑ "Bangladesh grapples with nationwide blackout". www.aljazeera.com. Retrieved 2023-04-17.
- ↑ "Nasrul: Lack in electricity management caused blackout – Dhaka Tribune". dhakatribune.com. Retrieved 21 September 2015.
- ↑ "Nationwide blackout in Bangladesh ends". Los Angeles Times. 2014-11-02. Retrieved 2024-04-17.
- ↑ Manik, Julfikar Ali; Najar, Nida (2014-11-01). "Electricity Returns to Bangladesh After Power Failure". The New York Times. ISSN 0362-4331 . Retrieved 2024-04-17.
- ↑ Mullen, Jethro; Ahmed, Farid (2014-11-02). "Tens of millions left without power after nationwide blackout hits Bangladesh". CNN. Retrieved 2024-04-17.
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