The process for connecting a distributed energy resource project to the distribution system is outlined in the Conditions of Service. We encourage any customers interested in connecting a distributed energy resource to review these guidelines and contact our Engineering Department to discuss your project.

Customers requesting a pre-consultation with Milton Hydro about their project can complete our DER Preliminary Consultation Information Request Form (PCIR). We recommend completing the initial preliminary consultation stage prior to submitting a Connection Impact Assessment (CIA) application and making significant project investments to determine the viability of your project. Application forms can be submitted to generation@miltonhydro.com.

Thinking about reducing your electricity costs by generating your own electricity? Then you may be interested in Milton Hydro’s Net metering program. Read on to learn more about our Net Metering program for generation of 500kW or less and the steps involved.

What is Net metering?

• Net metering measures the consumption of electricity you use against the amount of electricity you generate resulting in a “net” total from which your bill is calculated.
• Net Metering is ideal for those looking to reduce electricity costs.
• Under the Net Metering Agreement, excess generation credits can be carried forward up to twelve months to offset future electricity costs.
• Applicable generation types for net metered connections include renewable energy sources such as Solar PV, wind, and water.

 

How will my bill be calculated?

Milton Hydro will continue to read your meter as we do now. The bill you see will reflect the difference between the value of the electricity you return to the grid and the value of electricity you consume from the grid. If your net consumption for a billing period is zero, or results in a credit, the delivery portion of your bill will not include kilowatt-hour-based charges and the net credit will be carried forward to the next billing cycle. Settlement of Net Metered accounts will follow O.Reg. 541/05.

 

What is the process to connect to Milton Hydro’s Distribution System?

• Complete the Pre-consultation Request Form (PCIR) and submit to Milton Hydro.
• Milton Hydro’s Engineering Department will provide a response to your PCIR within approximately 10-15 days.
• If there is sufficient capacity to connect your project, make an application to Milton Hydro using:
  • Connection of Micro-Embedded Generator Application Form (10kW or less)
  • Connection Impact Assessment Application Form (>10kW up to 10MW)
• Milton Hydro’s Engineering Department will review your application for completeness and process your application is accordance with our Conditions of Service and the Ontario Energy Board’s (OEB) Distribution System Code.
• Milton Hydro recommends that all generator equipment be certified by the Canadian Standards Association (CSA). If it isn’t, equipment must be site-certified by the Electrical Safety Authority (ESA).
• Installation of all generation facilities must be approved by the ESA and Connection Authorization provided to Milton Hydro prior to connection.
• To comply with Section 84 of the Ontario Electrical Safety Code, you are required to have an isolation switch (visible, accessible, and lockable) located between the meter and your equipment.

 

Technical and Metering

All generation sites shall comply with Milton Hydro’s Conditions of Service, applicable agreements, Ontario Electrical Safety Code and applicable laws, regulations, and codes.

In order to bill you on a net metering basis and comply with the requirements of Measurement Canada, meter replacement may be required. You will be responsible for costs associated with Milton Hydro upgrading the meter for your installation.

 

Agreements for Net Metering

• For micro-embedded generation of 10kW or less - Micro-Embedded Connection Agreement.
• For projects greater than 10kW up to 10MW - Small-to-Mid Sized Generator Connection Agreement.
  • Projects in this category may also require a Connection Impact Assessment and Connection Cost Recovery Agreement.

 

Connection Costs

You will be responsible for the costs of any modifications to Milton Hydro’s distribution system, including transformer changes needed to connect your generation facility. You will also be responsible for any remote telemetry units (RTU’s), radios, and other devices that may be necessary where Milton Hydro requires site monitoring and control of your generation project. Applicable costs related to your project are provided as part of our Connection Cost Agreement.

	Subtotal	HST	Total
>10kW up to 250kW (Capacity Allocated Feeder)	$8,312.90	$1,080.68	$9,393.58
>10kW up to 500kW (Non-Capacity Allocated Feeder)	$8,312.90	$1,080.68	$9,393.58
>250kW up to 10MW (All DER projects greater than 250kW)	$22,496.72	$2,924.57	$25,421.30

 
These fees are to be used in Section P “CIA Application Fee Checklist” of the Connection Impact Assessment Application Form.

Prices are subject to change without notice. Applicants should ensure fees are current prior to submitting an application.
 

Projects greater than 250kW and/ or connecting to a non-capacity allocated feeder require a CIA by the upstream transmitter. Milton Hydro will advise applicants when upstream transmitter CIA’s are required, and will apply to the upstream transmitter for their CIA on behalf of the applicant.

Applicants shall include CIA payment with completed application including site drawings, electrical single line diagrams, protection philosophy, and other information as may be required to fully assess the project.

All generation connections require a Connection Agreement. As part of the connection process, customers will receive Milton Hydro’s appliable agreement with the Connection Cost Agreement.
 
Micro-Embedded Connection Agreement (<= 10kW)
Small-to-Mid Sized Generator Connection Agreement (>10kW up to 10MW)

Currently there are no feeder restrictions for connecting Distributed Energy Resources (DER) in Milton Hydro’s distribution territory.

The Ontario Energy Board (OEB) website contains useful information about DER and EV connections, process, and documentation. Milton Hydro recommends you also review information available on OEB’s website.

• DER Connection Review Process: https://engagewithus.oeb.ca/derandevchargingconnections

• Distribution System Code: https://www.oeb.ca/regulatory-rules-and-documents/rules-codes-and-requirements/distribution-system-code-dsc