Submit Details to Account Executive
The COVER and DCR process can take up to six months. It is important you engage your Account Executive (AE) as soon as you know you are planning to modify your connection. Your Account Executive will gather relevant information and engage Hydro One staff to determine the specific requirements for your modification.
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Minimum project information requirements for a preliminary submission should include supporting single line diagrams and a written scope of work (for example, information such as proposed protection schemes and protection settings should be included if applicable).
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It is also helpful to submit an initial draft of the COVER form for review.
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In order for Hydro One to recover the costs, an initial Purchase Order of $25,000 will be required. Please note that you will be billed on actual costs.
Design Compatibility Review (DCR) - if required
The DCR ensures the customer's new or modified substation design does not adversely impact the existing transmission system and the substation equipment meets minimum requirements. This is accomplished by a review of the customer design and protection documentation.
Submit COVER to Hydro One
The COVER Report is a series of industry accepted functional tests performed by the customer during the final commissioning stage of the project. A COVER Coordinator will be assigned to the project to validate form completion and coordinate any Hydro One activity related to the commissioning activity.
The Tx COVER template contains more details on the stages of the COVER process. Download the blank
Tx COVER Form.
The COVER Report:
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Is completed by a professional engineer representing the customer
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Validates the correct operation of the design or modification relating to the electrical protection and telemetry requirements
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Validates critical major electrical equipment acceptance checks
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Confirms ESA approval of the substation project where required
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Validates the electrical design in accordance with the Transmission System Code
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Ensures Utility Work Protection Code requirements are met
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Enables the final approval to energize or re-energize the customer substation.
Energization — Connected to Grid
Following the successful completion of the DCR and COVER, Hydro One will provide approval to energize your connection. Hydro One will review the actual costs and invoice or refund accordingly.
Contact Us
If you have any questions regarding the Tx COVER Form, please contact your Account Executive or email
LargeAccounts@HydroOne.com.
