Joining Hilo means agreeing to participate in as many Hilo challenges as you can over a 12-month period. Joining Hilo also allows you to: Benefit from low-cost smart devices that are yours from the very first day of your agreement. Receive cash rewards by participating in Hilo reduction challenges — an average total of $135 per household in the 2023-2024 challenge season. Save up to 15% on your annual electricity bill. Control all your connected smart devices from the Hilo hub with a simple click, thanks to our mobile app. See the power consumption of your home, as well as all of your Hilo-connected smart devices offering this feature, in real time. Receive personalized tips for reducing your electricity consumption and maximizing your rewards.