Home Energy Systems near you

The cheapest energy is the energy the house no longer needs, so an EnerGuide home evaluation is often the best first step. NRCan explains that an energy advisor registered with Natural Resources Canada assesses the home from basement to attic and provides an EnerGuide rating and an energy efficiency report to guide decisions about upgrades. Some incentive programs also require an evaluation before the work begins.

The order follows from there. Reducing heat loss first lets the heat pump be sized for the tighter house, and solar is best sized once the big electric loads are known, since a heat pump and an electric vehicle change annual consumption considerably. A written plan listing future loads, even ones several years away, lets the electrician leave panel space and conduit ready so later projects don't undo earlier ones.

New loads have to fit on your existing service. NRCan notes that a Level 2 EV charger has electrical requirements similar to an electric stove or dryer, at 240 volts, and that a licensed electrician can help determine the electrical capacity of your home. Once a heat pump or an induction range joins the list, the electrician runs a load calculation under your province's electrical code to see whether the panel and the service can carry everything.

When capacity comes up short, a bigger service is one answer and load management is another. Technical Safety BC describes an electric vehicle energy management system as a means of controlling charger loads by connecting, disconnecting, increasing or reducing the power supplied to them, and smart panels can share capacity among other appliances in a similar way. A load manager is usually quicker and less disruptive than a service upgrade, which involves the utility, but a household adding several large loads may need the larger service anyway.

A circuit-level monitor shows what the heat pump draws on a cold night, how much the car charger uses and how much solar output the house consumes directly, turning vague efforts to save into specific decisions. It also flags faults early, such as backup heat running far more than expected or an inverter that has stopped producing. Smart controls then act on the data, scheduling charging and water heating for off-peak hours where rates vary through the day and deciding when a battery stores or releases energy. Keep manual overrides simple for everyone in the house, and ask how each device behaves when the internet is down.

Anything that can send power to the grid needs the utility's approval before it connects. In Ontario, net metering under Ontario Regulation 541/05 credits the electricity you export against your bill, unused credits carry forward for up to 12 months, and the province advises waiting for your local utility's approval before buying equipment or signing a contract. ESA's bulletin on energy storage adds that a battery needs a notification of work and a connection authorization from the supply authority.

In Quebec, Hydro-Québec says never to connect self-generation equipment yourself: a contractor who is a member of the CMEQ submits the application, and Hydro-Québec's final authorization is required before connection. Under its Net Metering Option I, surplus is banked in kilowatt-hours and the bank is reset every 24 months. In British Columbia, the electrical installation permit comes from Technical Safety BC or the local government.

Incentives exist for most parts of a home energy system, but their conditions differ and change often. In Quebec, Hydro-Québec's LogisVert program supports ENERGY STAR certified heat pumps, with applications made after installation, and subsidizes residential solar panels that receive Hydro-Québec's authorization to connect. In Ontario, the Home Renovation Savings program offers a battery rebate only when the battery comes with a new solar system, and written pre-approval is required before anything is bought or installed. Federally, NRCan says the Canada Greener Homes Loan's funding is fully committed. Check each program's official page for equipment, installer and timing requirements before you sign.

A battery stores a lot of energy in a small cabinet, so certification and placement come first. ESA's bulletin states that every energy storage system for use or sale in Ontario must be approved, for example through certification to ANSI/CAN/UL 9540 or a field evaluation. The electrical code, the manufacturer's manual and sometimes local fire rules then decide where it goes, with clearances, protection from vehicles in a garage and a spot that stays within the unit's temperature range through the winter.

The other hazard is backfeed. Solar inverters, batteries and generators must never energize the grid during an outage, when line crews expect the wires to be dead. Certified equipment, the utility's interconnection review and proper isolation at the panel prevent it, which is why only a licensed electrical contractor should connect any of this equipment.