Are all Hydro-Québec customers eligible for Hilo and able to add compatible thermostats to the app? 

No. To be eligible, you must live in a municipality where Hilo is available. Currently, Hilo service covers 95% of Hydro‑Québec customers, and efforts are underway to expand availability across the entire service area.

To sign up for Hilo, you must also meet the following conditions:

• Have a residential Hydro‑Québec account (as a tenant or homeowner)
• Remain enrolled in Rate Flex D for the duration of the agreement 
• Have a Hydro‑Québec smart meter 
• Have access to high-speed internet (at least 5 Mbps), a home Wi-Fi network, and an available Ethernet port on your modem or router 
• Have a smartphone or other mobile device capable of downloading and using the Hilo app 
• Live in a home with equipment that is compatible with Hilo

You can check your eligibility here or by contacting Hilo customer service at 438-289-HILO (4456) or toll-free at 11-844-500-HILO (4456).

Anyone who meets the eligibility criteria can use their compatible thermostats with the Hilo app or purchase Hilo smart thermostats or other supported models.