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Map of major Western North American power transmission paths A line on Path 65, part of the Pacific DC Intertie.. The Western Electricity Coordinating Council (WECC) coordinates a number of high voltage power links in western North America.
The Pacific Intertie consists of: [4] The Celilo Converter Station which converts three phase 60 Hz AC at 230 to 500 kV to ±500 kV DC (1000 kV pole-to-pole) at . The grounding system at Celilo consists of 1,067 cast iron anodes buried in a two-foot (60 cm) trench of petroleum coke, which behaves as an electrode, arranged in a ring of 2.0 miles (3,255 m) circumference at Rice Flats (near Rice ...
Pacific Intertie transmission routes A dual-circuit 500 kV line forming a part of the connection between Path 66 and Path 15.. California Oregon Intertie (COI), identified as Path 66 by Western Electricity Coordinating Council (WECC), is a corridor of three roughly parallel 500 kV alternating current power lines connecting the electric grids of Oregon and California.
Path 26 forms Southern California Edison's (SCE) intertie (link) with Pacific Gas & Electric (PG&E) to the north. Since PG&E's power grid and SCE's grid both have interconnections to elsewhere, in the Pacific Northwest (PG&E) and the Southwestern United States (SCE), Path 26 is a southern extension of Path 15 and Path 66, and a crucial link between the two regions' grids.
In 2015, WECC had an energy consumption of 883 TWh, roughly equally distributed between industrial, commercial and residential consumption. There was a summer peak demand of 150,700 MW and a winter peak demand (2014–15) of 126,200 MW. [3]
Maps show the areas impacted by storm surge, rainfall levels and more as Helene, once a major hurricane and now a tropical storm, moves inland from Florida's Gulf Coast over Georgia.
Francine made landfall over the Louisiana coast as a Category 2 hurricane early Wednesday evening before quickly weakening to a tropical storm.
WECC has a long history of assuring reliability in the West that began when it was originally formed in 1967 by 40 power systems, then known as the Western Systems Coordinating Council (WSCC). Thirty-five years later in 2002, the WSCC became WECC when three regional transmission associations merged.