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Hydro One’s upgraded Lambton-Longwood transmission line complete



October 23, 2014 – Hydro One announced today that the upgrade of a transmission circuit between Lambton transformer station (TS) and Longwood TS in southwestern Ontario is complete. The $25-million investment refurbished 36 tower foundations, replaced the circuit with a higher capacity wire and replaced insulators along the line.

According to the utility, these upgrades strengthen the reliability of the power supply in the area and allows for about 500MW of renewable generation to be connected.

“The upgrade of the transmission line in the Lambton area increases the capacity for new renewable projects while strengthening the reliability of the transmission line,” said Carmine Marcello, president and CEO. “Hydro One continues to make valuable investments in the transmission infrastructure that will serve the people of Ontario for many years to come.”

Work on the upgrade started in April 2013, following approval from the Ontario Energy Board (OEB).

Image courtesy Hydro One.