Two Tesla Power Walls installed and to be used as a backup in case of an electric outage (cost of $30k)

Limitations on the area (where you live), speed of internet, the capacity of electrical panels, (not?) having a generator with a transfer switch attached to your hydro meter, and being a Hydro One customer.

Installation, operation and maintenance of a battery energy storage system. Installation and maintenance are covered at no cost*, and will be managed by MPOWER Energy Solutions, a third-party contractor. This BESS will be owned and operated by Hydro One for five years and then renewed annually.

*Participants are responsible for ensuring the system is connected to the internet, covered by homeowners’ insurance and ensuring no damage to the batteries during the program period.