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Independent System Operator
A regional transmission organization (RTO) in the United States is an electric power transmission system operator (TSO) that coordinates, controls, and monitors a multi-state electric grid. The transfer of electricity between states is considered interstate commerce, and electric grids spanning multiple states are therefore regulated by the Federal Energy Regulatory Commission (FERC). The voluntary creation of RTOs was initiated by FERC in December 1999. The purpose of the RTO is to promote economic efficiency, reliability, and non-discriminatory practices while reducing government oversight. Definition A regional transmission organization (RTO) in the United States is an electric power transmission system operator (TSO) that coordinates, controls, and monitors a multi-state electric grid. The transfer of electricity between states is considered interstate commerce, and electric grids spanning multiple states are therefore regulated by the Federal Energy Regulatory Commission ...
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CAISO
The California Independent System Operator (CAISO) is a non-profit Independent System Operator (ISO) serving California. It oversees the operation of California's bulk electric power system, transmission lines, and electricity market generated and transmitted by its member utilities. CAISO is one of the largest ISOs in the world, delivering 300 million megawatt-hours of electricity each year and managing about 80% of California's electric flow. History The California Legislature created CAISO in 1998 as part of the state restructuring of electricity markets. The legislature was responding to Federal Energy Regulatory Commission (FERC) recommendations following the passage of the federal Energy Policy Act of 1992, which removed barriers to competition in the wholesale generation of electricity business. FERC regulates CAISO because interstate transmission lines fall under the jurisdiction of federal commerce laws. Management CAISO's leadership consists of executive managemen ...
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Mexico
Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundary, maritime boundaries with the Pacific Ocean to the west, the Caribbean Sea to the southeast, and the Gulf of Mexico to the east. Mexico covers 1,972,550 km2 (761,610 sq mi), and is the List of countries by area, thirteenth-largest country in the world by land area. With a population exceeding 130 million, Mexico is the List of countries by population, tenth-most populous country in the world and is home to the Hispanophone#Countries, largest number of native Spanish speakers. Mexico City is the capital and List of cities in Mexico, largest city, which ranks among the List of cities by population, most populous metropolitan areas in the world. Human presence in Mexico dates back to at least 8,000 BC. Mesoamerica, considered a cradle ...
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Transmission Congestion
In power engineering, transmission congestion occurs when overloaded transmission lines in an electrical grid are unable to carry additional electricity flow due to the risk of overheating. During grid congestion, the transmission system operator (TSO) has to direct the providers to adjust their dispatch levels to accommodate the constraint. In an electricity market a power plant may be able to produce electricity at a competitive price but cannot transmit the power to a willing buyer. Congestion increases the electricity prices for some customers. Definitions There is no universally accepted definition of the transmission congestion. Congestion is not an event, so it is frequently not possible to pinpoint its place and time (in this respect it is similar to traffic congestion). Regulators define congestion as a condition that prevents market transactions from being completed, while a transmission system operator sees it as inability to maintain the security of the power system ...
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NBSO
The New Brunswick System Operator (NBSO) was an independent not-for-profit statutory corporation created under New Brunswick's Electricity Act on October 1, 2004. Under the Act, the NBSO was responsible for the adequacy and reliability of the integrated electricity system, and for facilitating the development and operation of the New Brunswick Electricity Market. These responsibilities took the form of operation of the NBSO-controlled grid and administration of the Open Access Transmission Tariff (Tariff) and the New Brunswick Electricity Market Rules. Dissolution New Brunswick's neElectricity Act(the “Act”) was proclaimed on October 1, 2013. Among other things, the Act saw the amalgamation of the NBSO with the NB Power Group of Companies. Legislation continues the requirement for open and non–discriminatory transmission access in New Brunswick. The system operation functions that were currently performed by the NBSO are now performed within a vertically integrated NB Powe ...
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Canada
Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of countries and dependencies by area, second-largest country by total area, with the List of countries by length of coastline, world's longest coastline. Its Canada–United States border, border with the United States is the world's longest international land border. The country is characterized by a wide range of both Temperature in Canada, meteorologic and Geography of Canada, geological regions. With Population of Canada, a population of over 41million people, it has widely varying population densities, with the majority residing in List of the largest population centres in Canada, urban areas and large areas of the country being sparsely populated. Canada's capital is Ottawa and List of census metropolitan areas and agglomerations in Canada, ...
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Ontario
Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it is home to 38.5% of the country's population, and is the second-largest province by total area (after Quebec). Ontario is Canada's fourth-largest jurisdiction in total area of all the Canadian provinces and territories. It is home to the nation's capital, Ottawa, and its list of the largest municipalities in Canada by population, most populous city, Toronto, which is Ontario's provincial capital. Ontario is bordered by the province of Manitoba to the west, Hudson Bay and James Bay to the north, and Quebec to the east and northeast. To the south, it is bordered by the U.S. states of (from west to east) Minnesota, Michigan, Ohio, Pennsylvania, and New York (state), New York. Almost all of Ontario's border with the United States follows riv ...
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Hydro One
Hydro One Limited is an Electric power transmission, electricity transmission and distribution Electric utility, utility serving the Provinces and territories of Canada, Canadian province of Ontario. Hydro One traces its history to the early 20th century and the establishment of the Ontario Hydro, Hydro-Electric Power Commission of Ontario (renamed "Ontario Hydro" in 1974). In October 1998, the provincial legislature passed the ''Energy Competition Act'' which restructured Ontario Hydro into separate entities responsible for electrical generation, transmission/delivery, and price management with a final goal of total privatization. Hydro One was established at this time as a corporation under the ''Business Corporations Act'' with the Government of Ontario as sole shareholder. Following its initial public offering on the Toronto Stock Exchange in 2015, the Government of Ontario began selling shares to the public with a final goal of 60% of the company being held by private inve ...
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Independent Electricity System Operator
The Independent Electricity System Operator (IESO) is the Crown corporation responsible for operating the electricity market and directing the operation of the bulk electrical system in the province of Ontario, Canada. It is one of seven independent system operators in North America. The IESO was established in April 1999 as the Independent Electricity Market Operator (IMO) under the government of Ontario during the premiership of Mike Harris in preparation for deregulation of the province's electrical supply and transmission system. As part of government plans to privatize the assets of Ontario Hydro, the utility was split into five separate Crown corporations with the IMO responsible for directing the flow of electricity across the high-voltage, province-wide network owned by Hydro One and other transmission companies. It was also given the responsibility of managing and operating the competitive wholesale electricity market and working with neighbouring jurisdictions to manag ...
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AESO
The Alberta Electric System Operator (AESO) is the non-profit organization responsible for operating Alberta, Canada's power grid. AESO oversees the planning and operation of the Alberta Interconnected Electric System (AIES) in a "safe, reliable, and economical" manner. It is mandated by provincial legislation to act in the public interest and cannot own any transmission, distribution or generation assets. One of AESO's responsibilities is to manage system load in the case where shortfalls in supply or excessive demand for electricity threaten the integrity of the power grid. In this case AESO can direct power companies to shed load temporarily through measures such as rolling blackouts. In July 2012, six power generators were shut down during a major heat wave that resulted in high demand on the power grid, Edmonton, Calgary, Red Deer and Lethbridge were hit by rolling blackouts. AESO directed utilities to reduce their customer load. AESO's Doug Simpson explained that this had not h ...
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PJM Interconnection
PJM Interconnection LLC (PJM) is a regional transmission organization (RTO) in the United States. It is part of the Eastern Interconnection grid operating an electric transmission system serving all or parts of Delaware, Illinois, Indiana, Kentucky, Maryland, Michigan, New Jersey, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and the District of Columbia. PJM is the largest power grid operator in the United States, serving 65 million customers from Chicago to New Jersey. PJM, headquartered in Valley Forge, Pennsylvania, was the world's largest competitive wholesale electricity market until the development of the European Integrated Energy Market in the 2000s. More than 1,000 companies are members of PJM, which serves 65 million people and has 185 gigawatts of generating capacity. With 1,436 electric power generators and 85,103 miles of transmission lines, PJM delivered 783 terawatt-hours of electricity in 2021. Started in 1927, the pool was renamed ...
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Southwest Power Pool
Southwest Power Pool (SPP) manages the electric grid and wholesale power market for the central United States. As a regional transmission organization, the nonprofit corporation is mandated by the Federal Energy Regulatory Commission to ensure reliable supplies of power, adequate transmission infrastructure and competitive wholesale electricity prices. Southwest Power Pool and its member companies coordinate the flow of electricity across approximately 60,000 miles of high-voltage transmission lines spanning 14 states. The company is headquartered in Little Rock, Arkansas. History SPP's story began in the early days of WWII, when America was ramping up production of weapons and military supplies. After entering the War, America needed to produce aluminum for aircraft manufacture. Alcoa and Reynolds Metals Company established themselves in Arkansas, which had the largest commercially exploitable bauxite deposit at that time. In 1941, government agency Defense Plant Corporation op ...
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