*Rümi and ATCO are trademarks of ATCO Ltd. used under license
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5302 Forand St SW
Calgary, AB T3E 8B4
Customer Care Happiness Centre
Mon to Fri: 8 am – 6 pm MST
Sat: 8 am – 4:30 pm MST
If you have questions about services & products, contact Rümi:
If you have questions about your energy plans, contact ATCOenergy:
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Customers are free to purchase natural gas services or electricity services from a retailer of their choice. For a list of retailers, visit
or call 310-4822 (toll-free in Alberta).