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The electric power transmission grid of the contiguous United States consists of 120,000 miles (190,000 km) of lines operated by 500 companies. The Western Interconnection is a wide area synchronous grid and one of the two major alternating current (AC) power grids in the North American power transmission grid.
All of the electric utilities in the Western Interconnection are electrically tied together during normal system conditions and operate at a synchronized frequency of 60 Hz. The Western Interconnection stretches from Western Canada south to Baja California in Mexico, reaching eastward over the Rockies to the Great Plains. The USA part has 250 ...
The Western Electricity Coordinating Council (WECC) coordinates a number of high voltage power links in western North America. [ 1 ] [ 2 ] [ 3 ] These links, known as WECC Intertie Paths , are not necessarily single transmission line, rather they are interties between various areas.
The Western Electricity Coordinating Council (WECC) promotes Bulk Electric System (BES) reliability for the entire Western Interconnection system. WECC is the Regional Entity responsible for compliance monitoring and enforcement. In addition, WECC provides an environment for the development of Reliability Standards and the coordination of the ...
Western Interconnection United States Canada Mexico: Western US, western Canada, and northern Baja California in Mexico: 265 GW: 883 TWh: 2015 [12] National Interconnected System (SIN) Brazil: Electricity sector in Brazil: 150 GW: 410 TWh (2007) [citation needed] 2016 Synchronous grid of Northern Europe Norway Sweden Finland Denmark
Path 15 is part of The Western Electricity Coordinating Council's links of electrical intertie paths in the western United States. Path 15, along with the Pacific DC Intertie running far to the east, forms an important transmission interconnection with the hydroelectric plants to the north and the fossil fuel plants to the south.
The other major interconnection is the Western Interconnection. The three minor interconnections are the Quebec , Alaska , and Texas interconnections. All of the electric utilities in the Eastern Interconnection are electrically tied together during normal system conditions and operate at a synchronized frequency at an average of 60 Hz.
In the 1990s, as states and regions in the United States established wholesale competition for electricity, groups of utilities and their federal and state regulators began forming independent transmission operators that would ensure equal access to the power grid for non-utility firms, enhance the reliability of the transmission system and ...