Hydroelectric Development on Umbata Falls
Project Overview

The proposed project incorporates the following features :


 
A 23km 115kv wood pole transmission line from the powerhouse to the existing 115kV Hydro-One line north of hwy 17

 
Upgrades to an existing access controlled tertiary road (originally constructed by Ontario Hydro) and construction of 1.5km of new road to provide construction and operational access to the site

 
An overflow weir in the main river channel (approximately 150m upstream of the falls) and a gated sluiceway structure in a secondary flow channel (on the northwest side of a natural high point) to create the headpond

 
An approximately 900m long headpond that covers an additional area of 3.2 hectares

 
A 335m long diversion channel (within the secondary flow channel), leading to the tunnel intake structure (adjacent to sluiceway)

 
A 483m long underground tunnel to transfer water to the powerhouse at the base of the gorge

 
A 30m by 15m powerhouse, containing two 11.4MW turbines, discharging a maximum flow of 75m3/s (minimum flow of 13.5m3/s required to operate one turbine)

 
A switchyard to transform power to the Hydro-One grid

Project Purpose

 
Generate 22.8mw of environmentally sustainable hydroelectric power

 
Provide financial benefit for the project partners by the sale of power

 
Utilize these benefits to improve Pic River First Nation’s self-sufficiency

 
Allow the community to establish and ultimately meet long term planning and development goals


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Site Area Details

 

Umbata Hydroelectric Project
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