HAY RIVER, NWT (December 24, 2020) – The Northwest Territories Power Corporation (NTPC) announced today that the Snare Falls Hydro Unit has returned to service. The unit was shut down on December 10 following the discovery of an oil sheen near the facility.
As an interim measure, NTPC has replaced oil in the unit with a higher viscosity lubricant to prevent future leaking. A detailed inspection and any required repair work on the unit will be completed next year during a period of warmer weather and lower electricity demand. The unit has been successfully tested over the past several days and is now considered back to fully functional.
NTPC has informed regulators that approximately 408 litres of oil has gradually leaked from the Snare Falls unit since June 1.
Total cost of the shutdown is unknown at this time. Diesel replacement costs during the shutdown totaled approximately $260,000. Strong performance from our other hydro units helped to minimize the amount of diesel generation required while Snare Falls was offline.
NTPC is a wholly owned subsidiary of NT Hydro, which in turn is 100 percent owned by the Government of the Northwest Territories.
“Trouble-shooting at a hydro unit is a complex process but our employees and contractors were able to identify and implement a solution fairly quickly. This will help to minimize the cost of the shutdown and avoid the greenhouse gas emissions created by diesel generation during a period of peak demand in the North Slave region.”
Noel Voykin, President and CEO, Northwest Territories Power Corporation
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