Lower Churchill Project

“A hydroelectric power station in extreme weather conditions”

The lower Churchill river is one of the most attractive hydroelectric resources in North America and is a key component of Newfoundland and Labrador energy resource portfolio.

Just to give the numbers of the job, the project’s two sites, located in Muskrat Falls and Gull Island, will provide a final combined capacity of over 3,000MW, representing an essential component of Nalcor’s commitment to sustainability and climate change management.

From a technical point of view, the project is an exciting challenge, requiring to manage the execution of huge concrete pours under extreme weather conditions (+35°C during summer and -40°C in winter season).

More in detail, SWS was involved in the first phase of the project, which includes the construction of an impressive 824MW hydroelectric generating facility in Muskrat Falls, over 1,600km of transmission lines accross the province, and the Maritime Link between Newfoundland and Nova Scotia.
The construction and operation of the Muskrat Falls generating station will mean reduction in greenhouse gas emissions from the province’s electricity system, diversification of the local economy, and a link to North America’s electricity grid to allow for the export of excess power.

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