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The Quebec – New England Transmission (officially known in Quebec as the Réseau multiterminal à courant continu (RMCC) and also known as Phase I / Phase II and the Radisson - Nicolet - Des Cantons circuit, and known in New England as the Northern Pass) is a long-distance high-voltage direct current (HVDC) line between Radisson, Quebec and Westford Road in Ayer, Massachusetts. As of 2012, it remains one of only two Multi-terminal HVDC systems in the world (the other one being the Sardinia–Corsica–Italy system, completed in the same year) and is "the only multi-terminal bipole HVDC system in the world where three stations are interconnected and operate under a common master control system".

History

Initially, the Quebec – New England Transmission consisted of the 172 kilometres (107 mi) section between the Des Cantons station near Windsor, Quebec and the Frank D. Comerford Dam near Monroe, New Hampshire which, because of the asynchronous operation of the American and Québec power grids, had to be implemented as HVDC. This bipolar electricity transmission line, which is overhead for its whole length except the crossing of Saint Lawrence river, went into service in 1986. It could transfer a maximum power of 690 megawatts. The operating voltage was ±450kV or 900 kV from line to line.

The line was planned to extend beyond the two terminals at Des Cantons and Comerford to the hydroelectric power plants of the La Grande Complex, in the James Bay region of Québec, and to the high consumption area around Boston, Massachusetts — specifically, by 1,100 kilometres (680 mi) to the north toward the converter station at Radisson Substation, and to the south to the converter station at Sandy Pond in Massachusetts. The transmission power was increased by extending the existing converter stations to 2,000 megawatts, with the value of the transmission voltage remaining unchanged at ±450 kV. For the connection of the Montreal area, a further converter station at Nicolet was put into service in 1992 with a transmission capacity of 2,000 megawatts.

The line crosses the Saint Lawrence River between Grondines and Lotbinière via a tunnel. Until the tunnel was built, the line crossed the river via an overhead lattice tower electricity pylon—portions of one of these towers would later be used as part of the observation tower at La Cité de l'Énergie in Shawinigan.

Failed Northern Pass initiative

In December 2008, Hydro-Québec, along with American utilities Northeast Utilities (parent company of Public Service of New Hampshire) and NSTAR (parent company of Boston Edison), created a joint venture to build a new HVDC line from Windsor, Quebec to Deerfield, New Hampshire, with an HVDC converter terminal intended to be built in Franklin, New Hampshire. Hydro-Québec would have owned the segment within Quebec, while the segment within the US would have been owned by Northern Pass Transmission LLC, a partnership between Northeast Utilities (75%) and NSTAR (25%). Estimated to cost US$1.1 billion to build, it was projected that the line would either run in existing right-of-way adjacent to the HVDC line that runs through New Hampshire, or it would have connected to a right-of-way in northern New Hampshire that runs through the White Mountains. This 180-to-190-mile (290 to 310 km) line, projected to carry 1,200 megawatts, would have brought electricity to approximately one million homes.

In order to go ahead, the project needed to receive regulatory approval in Quebec and the United States. The proposed transmission line could have been in operation in 2015. According to Jim Robb, a senior executive from Northeast Utilities, New England could have met one third of its Regional Greenhouse Gas Initiative commitments with the hydropower coming through this new power line alone.

In October 2010, Northeast Utilities announced that it would merge with NSTAR. In effect, Northern Pass Transmission would have become a wholly owned subsidiary of Northeast Utilities, which was renamed Eversource Energy in 2015.

The purchase of power from Hydro-Québec was an issue during the Massachusetts gubernatorial election of 2010.

In July 2019, Eversource issued a statement that the Northern Pass project was now "off the table" after investing $318 million over a decade to develop and promote the project.

New England Clean Energy Connect

Construction of the New England Clean Energy Connect, a similar project, started in February 2021. Massachusetts pursues it as an option to bring Canadian hydropower through transmission lines in Maine, estimated to cost $1 billion. The citizens of Maine voted in a 2021 referendum to revoke the project's permit, forcing a halt to construction which was already underway. In August 2022, the Supreme Court of Maine ruled the retroactive revocation of the permit was unconstitutional, but remanded the case to lower courts for more consideration.

Sites

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Important waypoints of the line.

Radisson to Nicolet

Nicolet to Des Cantons

Des Cantons to Comerford

Comerford to Ayer

Des Cantons to Deerfield

Route listed here reflects the primary route, and is currently projected.

Grounding electrodes

Quebec – New England Transmission has two grounding electrodes: one at Des Cantons at 45°36′29″N 71°51′06″W / 45.60806°N 71.85167°W / 45.60806; -71.85167 (Des Cantons Grounding Electrode) and the other near Radisson substation approximately at 53°29′18″N 77°47′35″W / 53.48833°N 77.79306°W / 53.48833; -77.79306 (Radisson Grounding Electrode).

Opposition

2004 Hydro tower bombing

In 2004, shortly before U.S. President George W. Bush's visit to Canada, a tower along the Quebec–New England Transmission circuit in the Eastern Townships near the Canada–US border was damaged by explosive charges detonated at its base. The CBC reported that a message, purportedly from the Résistance internationaliste and issued to the La Presse and Le Journal de Montréal newspapers and CKAC radio, stated that the attack had been carried out to "denounce the 'pillaging' of Quebec's resources by the United States".

2015: Sierra Club of New Hampshire

In November 2015, the Sierra Club of New Hampshire expressed opposition to the new line, saying that it would benefit Connecticut and Massachusetts residents more than those in New Hampshire, and expressing concerns about the flooding of boreal forests during the construction of Hydro-Québec's dams in northern Quebec, disputes with the Innu First Nations, and the effects on tourism and the environment within the White Mountain National Forest.

2011-Present: Local government and community opposition

A coalition of New Hampshire communities and local government officials oppose the construction of the expanded transmission line. Elected representatives from New Hampshire's 10 counties have expressed opposition, including 114 officials in the New Hampshire House of Representatives and 5 members of the New Hampshire Senate. United States Congressional Representative Carol Shea-Porter and Senators Maggie Hassan and Jeanne Shaheen also oppose expansion of the line. Some of the incumbent power companies in New England oppose it, while other companies favor it.

See also

• Hydro-Québec
• Hydro-Québec's electricity transmission system
• Saint Lawrence River HVDC Powerline Crossing
• Champlain Hudson Power Express

References

2. Archived November 3, 2014, at the Wayback Machine
3. ^ "Green Anarchy". Archived from the original on September 29, 2005. Retrieved 26 October 2014.
4. "National Grid and ABB Celebrate 25th Anniversary of HVDC in New England". T&D World Magazine. November 20, 2015. Retrieved November 29, 2015.
5. "Voltage". ABB. Archived from the original on 2013-01-15. Retrieved 2009-11-11.
6. "Crossings". Hydro-Québec. Archived from the original on 2008-01-13. Retrieved 2008-02-15..
7. Northern Pass Transmission (2010). "Route Information". Northern Pass Transmission LLC. Archived from the original on December 20, 2010. Retrieved 2010-10-13.
8. Alspach, Kyle (2010-10-05). "NStar to build hydro power line". Boston Business Journal. Retrieved 2010-10-12.
9. Dillon, John (2010-10-08). "New Transmission Line Reaches Milestone". Vermont Public Radio. Retrieved 2010-10-12.
10. Porter, Louis (19 December 2008). "Utilities plan for N.E. expansion". Rutland Herald. Archived from the original on 15 June 2009. Retrieved 2009-05-09.
11. Constant, Kenny (2010-10-13). "Energy project unveiled; impact called 'staggering'". The Citizen of Laconia. Laconia, NH. Retrieved 2010-10-13.
12. Penty, Rebecca (2009-11-14). "U.S. calls power line a landmark investment". Telegraph-Journal. Saint John, NB. p. C1. Archived from the original on April 8, 2011. Retrieved 2009-11-14.
13. "NStar and Northeast Utilities agree to merger". Archived from the original on October 20, 2010. Retrieved October 18, 2010.{{cite web}}: CS1 maint: unfit URL (link)
14. Daley, Beth (2010-10-23). "Canadian firm offers N.E. more hydropower". Boston Globe. Retrieved 2010-10-24.
15. ^ Brooks, David (26 July 2019). "Eversource gives up on Northern Pass hydropower project". concordmonitor.com. Concord Monitor. Retrieved 30 May 2020.
16. Wade, Will (2021-05-20). "NextEra is blocking a major new clean power transmission project - BNN Bloomberg". BNN. Archived from the original on 2021-05-22.
17. Sharp, Steven (2021-11-02). "Mainers vote to halt $1B electric transmission line". AP News. Retrieved 2021-11-03.
18. Maine's high court rules that voter referendum blocking power corridor was unconstitutional
19. "Northern Pass: Project Route Map, as of October 14, 2010" (PDF). Northernpass.us. Retrieved 26 October 2014.
20. Archived March 14, 2007, at the Wayback Machine
21. The Globe and Mail: "Quebec is facing its own 'dirty' energy export problem", November 26, 2015.
22. "Officials Who Oppose the Northern Pass Project - No to Northern Pass". Archived from the original on 2017-02-07. Retrieved 2017-02-06.
23. "Carol Shea-Porter's newsletter to New Hampshire". thisweekinraymond.com. Archived from the original on 2017-02-07.
24. "Pursuing energy alternatives does not require accepting Northern Pass - the Boston Globe". The Boston Globe.
25. "SHAHEEN STATEMENT ON NORTHERN PASS ANNOUNCEMENT | U.S. Senator Jeanne Shaheen of New Hampshire". 27 June 2013.
26. Howland, Ethan (26 October 2021). "Avangrid, NextEra duke it out over a 145-mile transmission line in the Maine woods". Utility Dive. Archived from the original on 26 October 2021.

Bibliography

• Bureau d'audiences publiques sur l'environnement (1987). Projet de ligne à courant continu à ±450 kV Radisson - Nicolet - Des Cantons [Radisson - Nicolet -Des Cantons ±450 kV Direct Current Transmission Line Projet] (PDF). Rapport d'enquête et d'audience publique N° 22 (in French). Quebec City. ISBN 2-550-17407-0. Archived from the original (PDF) on 2016-03-04. Retrieved 2015-11-28.{{cite book}}: CS1 maint: location missing publisher (link)
• US Department of Energy (January 1984). EIS-0103: Final Environmental Impact Statement - New England/Hydro-Quebec 450-kV Direct Current Transmission Line Interconnection (PDF). DOE/EIS-0103F. Washington, D.C.{{cite book}}: CS1 maint: location missing publisher (link)
• US Department of Energy (August 1987). EIS-0129: Final Environmental Impact Statement - New England/Hydro-Quebec 450 kV Transmission Line Interconnection - Phase II (PDF). DOE/EIS-0129F. Washington, D.C.{{cite book}}: CS1 maint: location missing publisher (link)

External links

• The HVDC Transmission Québec - New England
• Pictures of the Quebec - New England line in New England
• Northern Pass Transmission
• Bonneville Power Administration: Quebec - New England Transmission (via Internet Archive)
• Bonneville Power Administration: Schematics of Quebec - New England Transmission system (via Internet Archive)

• Electric power transmission systems in Canada
• Energy in New England
• Energy in Quebec
• Electric power transmission systems in the United States
• HVDC transmission lines
• Hydro-Québec
• James Bay Project