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Union South Large Volume Services & Rates

Control costs with flexible rates & contracts

Combined with our competitive rates, our energy savings programs and one-on-one account manager support will help you to optimize your natural gas consumption and reduce your total energy costs. Enbridge Gas has a robust portfolio of energy services and solutions to help businesses meet their energy needs, manage costs in the face of rising fuel prices, and stay efficient.

Large-volume distribution contract rate options

Customers can contract for distribution services, provided they meet all the eligibility requirements of the Union South delivery zone contract rate class. The volume of use will determine your qualifying rate class. Customers with contract rate services have specific parameters for daily, hourly and annual (if applicable) natural gas use, as well as for the minimum guaranteed pressure of the natural gas delivered during the term of the contract.

Customers can choose to purchase their natural gas supply from Enbridge Gas (sales service) or purchase their own natural gas supply from a retail energy marketer or broker (direct purchase). The option you choose (listed below) will determine the type of contract(s) you'll sign with Enbridge Gas.

Large Volume Rate Class Rate M4 Rate M5A Rate M7 Rate M9 Rate M10 Rate T1 Rate T2 Rate T3
Service Type Firm/interruptible distribution service Interruptible/firm distribution service Firm/interruptible distribution service Firm distribution service Firm distribution service Firm / interruptible distribution service Firm / interruptible distribution service Firm distribution service
Minimum load factor







Monthly customer charge







Contract demand charge







Delivery charge







Minimum annual volume requirement Take or pay for a minimum consumption of 146 days of firm CD per year Minimum consumption of 350,000 m3 per year Minimum consumption of 2,500,000 m3 per year at each consumption point Minimum consumption of 700,000 m3 per year
Contract demand (CD) Daily CD requirement between 2,400 and 60,000 m3/day Daily CD requirement between 2,400 and 60,000 m3/day Daily CD requirement greater than 60,000 m3/day Daily CD requirement up to 140,870 m3/day. Daily CD requirement over 140,870 m3/day.
Annual minimum bill charge







Notice of interruption 4 hours 4 hours 4 hours 4 hours 4 hours 4 hours

Details Details Details Details Retired Rate Details Details Details

We can help you find the right service for your needs

We have a sales team made up of dedicated, industry experts who can determine the best rates and services to meet your business needs. Building trusting, lasting relationships with our clients is a top priority.