Move large vessels safely

Ensure safe, uninterrupted transport of your oversized loads across Ontario

How to start vessel move

Do you need a large vessel move?

Transporting a large vessel across our service territory? You're likely travelling through parts of our Transmission or Distribution network. In order to ensure safe, uninterrupted travel that does not affect our network, a large vessel move request is required.

Based on the size of your load, we may be required to raise lines, disconnect lines, or make changes to infrastructure to provide adequate clearances for safe transport.

If your load exceeds 14.2 feet (4.32 meters) in height, you’ll need to arrange a Large Vessel Move. This ensures your safety and prevents damage to Hydro One’s infrastructure during transport. Planning ahead helps avoid delays and keeps Ontario’s power network reliable.

Large vessel move process

Step 1

Application and pre-payment

After receiving your fully completed application, we will review the information submitted and provide you with a pre-payment contract.

Begin application

Step 2

Route review

Once the pre-payment contract has been returned, we will schedule our crews to review your route to determine the extent of Hydro One’s participation.

Step 3

Route determination

We will provide you with the results of our route review. If Hydro One’s participation is required, we will send you an agreement to participate contract.

Step 4

Payment and obligations

Once we have received your signed contract and payment, we will prepare for our participation in the move on a mutually agreed upon date.

Step 5

Move day

Coordinated Hydro One crews will assist you by raising or disconnecting our line while your vessel travels through our service territory.

Step 6

Reconciliation of costs

We will review Hydro One’s actual costs associated with your move and provide you with an invoice or credit outlining the difference in costs.

What happens after you submit your application

After reviewing your application, Hydro One will make a preliminary determination of the complexity of your move. This complexity will be confirmed during our route review process.

Based on the complexity of your move, Hydro One’s timeframes will vary:

Basic move

Hydro One will try to review your route within 15 business days. If we need more time, we will let you know.
Once the agreement is signed and all requirements are met, Hydro One needs 30 business days to get ready for the move.
The move will happen on a date we both agree on.

Complex move

Hydro One will try to review your route within 20 business days. If we need more time, we will let you know.
After the agreement is signed and all requirements are met, up to 60 business days are needed to prepare for the move.
The move will happen on a date we both agree on.

Before you apply for a large vessel move

Be sure your shipment is on time and not impeded by our network by scheduling a large vessel move with us far in advance. The application to move large vessels requires the following information:

Clear maps of intended route to destination — we recommend using Google Maps
All structure and equipment information
Start and end dates including specific times of transport
Detailed address and information for end point, drop-off points etc

If your load exceeds Ontario’s legal size or weight limits, you’ll need an oversize/overweight permit.

You are responsible to apply for and acquire all required permits and permissions required for the move (including, but not limited to, Mistry of Transportation requirements, Road Occupancy Permits, and Police Escorts).

Choose how to apply for a large vessel move

Apply by mail or email

Download the form, fill it out, and send it to us by mail or email.

LargeVesselMoves-PMC@HydroOne.com

1 Greendale Drive Caledonia, ON N3W 2J3

Download paper form

We'll contact you within 2 days of receiving your initial request. Project timelines vary by location and the number of customers in the queue, along with the scope of your project.

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