# Radisson Substation

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'''Radisson Substation''' is a large [electrical substation](/source/electrical_substation) located near [Radisson](/source/Radisson%2C_Quebec) on the [Route de la Baie James](/source/James_Bay_Road) highway.<ref name="GEImage">[Google Earth](/source/Google_Earth) images.</ref>{{citation broken|date=April 2026}} The switching station, owned by [Hydro-Québec](/source/Hydro-Qu%C3%A9bec), is the largest substation in its [power grid](/source/Hydro-Qu%C3%A9bec's_electricity_transmission_system), covering an area of a massive 100 football fields.<ref name="Rad">{{Cite web|title=Radisson Substation |url=http://www.hydroquebec.com/visit/virtual_visit/poste_radisson.html |accessdate=2008-01-21 |publisher=[Hydro-Québec](/source/Hydro-Qu%C3%A9bec) |archiveurl=https://web.archive.org/web/20071221211828/http://www.hydroquebec.com/visit/virtual_visit/poste_radisson.html |archivedate=2007-12-21 |url-status=dead }}</ref> [Electrical power](/source/Electrical_power) heading into the switchyard is collected via several relatively short [alternating current](/source/alternating_current) (AC) 735 [kilovolt](/source/kilovolt) (kV) and  AC 315 kV [power line](/source/electrical_power_transmission)s coming from [hydroelectric plant](/source/hydroelectric_plant)s like the [Robert-Bourassa power station](/source/Robert-Bourassa_generating_station), part of the [James Bay Project](/source/James_Bay_Project), located {{Convert|16|km|mi|abbr=on|0}} away.<ref name="Rad"/><ref name="PLM">{{Cite web|title=James Bay |url=http://www.purplelizard.com/james%20bay.htm |publisher=Purple Lizard Maps |accessdate=2008-01-11 |url-status=dead |archiveurl=https://web.archive.org/web/20080107093055/http://www.purplelizard.com/james%20bay.htm |archivedate=2008-01-07 }}</ref><ref name="MAP2">{{Cite web|title=Eastmain 1-A Powerhouse and Rupert Diversion: Area Development|url=http://www.ceaa.gc.ca/010/0001/0001/0017/Figure8-1_e.pdf|accessdate=2008-01-11|author=Hydro-Québec Production|date=October 2006}} {{Dead link|date=October 2010|bot=H3llBot}}</ref> The power from these lines is either raised to AC 735 kV from AC 315 kV, [statically inverted](/source/Static_inverter_station) to [high-voltage direct current](/source/high-voltage_direct_current) (HVDC) +/- 450 kV, or unchanged (735 kV to 735 kV).<ref name="Rad"/><ref name="ABB">{{Cite web|title=The HVDC Transmission Québec - New England |url=http://www.abb.com/industries/ap/db0003db004333/87f88a41a0be97afc125774b003e6109.aspx |publisher=The [ABB Group](/source/ABB_Group) |accessdate=2008-01-11 |date=2012-08-30 |url-status=dead |archiveurl=https://web.archive.org/web/20110305134714/http://www.abb.com/industries/ap/db0003db004333/87f88a41a0be97afc125774b003e6109.aspx |archivedate=2011-03-05 }}</ref> The amount of electrical energy passing through the substation is 6,600 [megawatt](/source/megawatt)s (MW).<ref name="PLM2">{{Cite web|title=Day 3: Radisson & Chisasibi |url=http://www.purplelizard.com/james%20bay2.htm |publisher=Purple Lizard Maps |accessdate=2008-01-19 |url-status=dead |archiveurl=https://web.archive.org/web/20080107074124/http://www.purplelizard.com/james%20bay2.htm |archivedate=2008-01-07 }}</ref> Two AC 735 kV lines and one [HVDC +/- 450 kV line](/source/Quebec_-_New_England_Transmission), part of the James Bay transmission system, transfer this electrical energy over a distance of {{Convert|1000|km|mi|abbr=on|-2}} to [Montreal](/source/Montreal) and [Northeast United States](/source/Northeast_United_States).<ref name="GEImage"/><ref name="HQMAP">{{Cite web|title=Map of the Transmission System |url=http://www.hydroquebec.com/transenergie/en/reseau/pdf/carte_reseau.pdf |publisher=Hydro-Québec |accessdate=2008-01-11 |url-status=dead |archiveurl=https://web.archive.org/web/20061029191811/http://www.hydroquebec.com/transenergie/en/reseau/pdf/carte_reseau.pdf |archivedate=2006-10-29 }}</ref>

==See also==
*[Hydro-Québec](/source/Hydro-Qu%C3%A9bec)
*[Hydro-Québec's electricity transmission system](/source/Hydro-Qu%C3%A9bec's_electricity_transmission_system)
*[Quebec - New England Transmission](/source/Quebec_-_New_England_Transmission)

==References==
{{reflist}}

Category:Converter stations
Category:James Bay Project

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Adapted from the Wikipedia article [Radisson Substation](https://en.wikipedia.org/wiki/Radisson_Substation) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Radisson_Substation?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.