TORONTO — Hydro One Networks Inc. has filed a leave-to-construct application with the Ontario Energy Board (OEB) to seek approval to construct the Durham Kawartha Power LineDurham Kawartha Power Line Project (DKPL)StatusConceptualValue$75MLocation399 Lily Lake Rd, Peterborough ONSectorPublic – State/ProvincialTypeHydroelectric Power GenerationData as of June 17, 2026View Project Page →.
The approximately 55-kilometre double-circuit, 230-kilovolt transmission line will be built between the Clarington Transformer Station (TS) and Dobbin TS in Peterborough County.
“The approximately $430 million investment is expected to create jobs during construction and, once complete, will increase the overall transfer capability of the transmission system, support growth and deliver reliable power to communities across Peterborough, Quinte West and into the Ottawa region,” a release adds.
The line is expected to be in service in 2029.
Hydro One states filing a leave-to-construct application under Section 92 of the Ontario Energy Board Act, 1998 is required for electricity transmitters in Ontario to obtain approval from the OEB to construct, expand or reinforce the transmission system. The application includes details on the project’s route, design, timing and cost.
Proximate First Nations will also have the opportunity to invest in a 50 per cent equity stake in the transmission line component of the project. Together, Hydro One and the First Nations will continue to collaborate on the planning, development and construction.
For more information, visit the Durham Kawartha Power Line webpage.
