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Studies

 

New Regional Economic Study

We are undertaking studies on the Ontario Pumped Storage Project to provide insights on environmental and community impacts and project feasibility.

Economic Effects during Preconstruction and Construction. Highlights during Project preconstruction and construction in the Regional Study Area (RSA) include the following estimated benefits. Up to 141 direct jobs during peak construction activities. Up to 482 indirect and induced jobs during peak construction activities. $186 million pad to workers during preconstruction and construction. $750 million spent on labour, equipment and material. $152 million in provincial tax revenue for Ontario and $299 million in GDP. Economic Effects during Operation. During operations, the model predicts the facility would have the following economic benefits in the RSA. 20 full-time positions created on site and three full-time positions created off-site. 52 indirect and induced jobs. $19 million per year in direct spending on labour, maintenance and materials. $8.5 million per year in GDP and $1.9 million per year in provincial tax revenue for Ontario.

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Economic Effects during Preconstruction and Construction

Highlights during project preconstruction and construction in the RSA include the following estimated benefits:

  • Up to 141 direct jobs during peak construction activities
  • Up to 482 indirect and induced jobs during peak construction activities
  • $186 million paid to workers during preconstruction and construction
  • $750 million spent on labour, equipment and material
  • $152 million in provincial tax revenue for Ontario
  • $299 million in GDP

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Economic Effects during operation

During operations, the model predicts the facility would have the following economic benefits in the RSA:

  • 20 full-time positions created on-site and 3 full-time positions created off-site;
  • 52 indirect and induced jobs
  • $19 million per year in direct spending on labour, maintenance and materials
  • $8.5 million per year in GDP
  • $1.9 million per year in provincial tax revenue for Ontario

Immense economic benefits

A new Regional Economic Study by ERM Consultants Canada Ltd., a third-party consultant with expertise in socio-economic assessment, shows the TC Energy Pumped Storage Project in southern Ontario would have immense economic benefits locally, regionally and provincially.

The Regional Study Area (RSA) includes Bruce, Grey and Simcoe Counties in Southern Ontario.

View and download the ERM Regional Economic Study

A closer look

Electricity Supply: Surplus Supply at Night. Ontario has a diverse power system. However, there are limited resources that can quickly respond to changes in demand in a flexible manner. This mean starting and stopping quickly and changing output rapidly. Wind has a tendency to generate at night when the needs are lower. Electricity Demand (during off-peak hours): At night, when the demand for electricity is low, there is a surplus of electricity generated. The surplus is either exported to adjacent states or provinces at a loss, or wasted. Electricity Demand (during peak-demand periods): During the day, when the demand for electricity is high, fossil-fired generation is called upon to balance supply and demand.

A climate change initiative

TC Energy retained Navigant to perform an economic analysis of the proposed Pumped Storage Project with two focus areas:

Assess the potential impact of the project on the cost of electricity for Ontario ratepayers.

Quantify the potential CO2 emissions reductions for the electricity sector attributable to the project.

The Navigant team completed a rigorous economic analysis and simulation of the Ontario electricity market, calculating the ratepayer and CO2 emissions impacts of the project by running simulations with and without the project.

View and download report

Feasibility Assessments

TC Energy is conducting a number of preliminary field studies at the proposed project site to support the feasibility assessment. These studies will help provide insight for TC Energy, the Department of National Defence (DND) and the community as to whether 4th CDTC is a feasible location for a proposed pumped storage facility from an engineering and environmental perspective.

The following provides an overview of the specific feasibility assessments that are currently underway and how these studies will help inform TC Energy’s assessment of the project site.

Feasibility Assessments What it studies How it's studied How it informs preliminary project planning
Unmanned Aerial Vehicle (UAV) LIDAR Survey Topographic conditions/physical features of the project site area. A drone is mounted with a LIDAR sensor and flown across the project site area. Assesses and supports the design of the reservoir, penstocks, powerhouse, intake and discharge structures.
Bathymetry Survey Underwater depth of Georgian Bay lakebed. A multibeam echosounder (a type of sonar) is mounted to a boat and pings a beam of sound to the lake floor. Assesses and supports the design of the intake and discharge structures and provides inputs to 3D hydraulic modelling, which studies water flow in and out of the lake and water turbidity.
Sediment Sampling Lakebed characteristics such as sediment texture, consistency and smell. A hand-operated dredge sampler is dropped to the lakebed from a boat. Sediments are then sent to a laboratory for testing. Supports the design of the intake and discharge structures, provides inputs to 3D hydraulic modelling, which studies water flow in and out of the lake and water turbidity.
Geotechnical Drilling Characterizes the overburden materials, bedrock elevations and quality of bedrock. Also establishes groundwater levels. Boreholes are drilled at various depths into the soil and bedrock with a drill rig. Supports the design of the reservoir, penstocks and powerhouse by determining what the ground is made of and its characteristics.

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