Making your home energy autonomous requires a combination of renewable energy production systems (solar, wind, geothermal), optimization of the building envelope, efficient storage solutions and emergency generators to ensure total energy continuity. In Quebec, this transition makes it possible to significantly reduce energy bills while increasing real estate value.
An energy-autonomous home, also called a net-zero energy home, produces as much energy as it consumes over a full year. According to Natural Resources Canada, this type of home combines a highly efficient envelope with renewable energy production systems to eliminate or drastically reduce dependence on traditional energy networks.
Energy autonomy offers protection against price increases, resilience in the face of power outages and a tangible contribution to the reduction of greenhouse gas emissions. In the Quebec context where Heating accounts for up to 60% of residential energy consumption, this transition is becoming particularly relevant.
Before investing in energy production, minimize the energy needs of your property. One professional energy assessment identifies thermal leaks, thermal bridges, and inefficient systems. Priority interventions include improving the insulation of attics, walls and foundations, replacing outdated doors and windows, and installing a ventilation system with heat recovery (HRV).
Photovoltaic solar panels :In Quebec, a 10 kW system can produce approximately 11,830 kWh annually, enough to cover a significant portion of the needs of an average single-family home. The installation requires optimal orientation (south or southwest) and an analysis of sunlight to maximize production.
Domestic wind energy : For properties located in windy areas, a small home wind turbine of 5 to 15 kW can complement or replace solar. This solution is particularly interesting in Quebec where winter winds compensate for the reduction in sunshine. However, municipal regulations regarding height and noise should be checked prior to installation.
Geothermal energy : Geothermal systems exploit the stable temperature of the ground to heat and cool effectively. Although the initial investment is high, geothermal energy offers superior energy efficiency to other heating systems, allowing significant energy savings in the long term.
Generators play a crucial role in a complete energy autonomy system. Unlike solar or wind systems that are dependent on weather conditions, a residential generator provides a reliable and predictable power supply at all times
Modern generators ensure immediate power continuity during grid failures, compensate for production deficits during long cloudy periods, and reduce the size of the battery systems needed. For optimal autonomy, the integration of a propane or natural gas generator guarantees an energy source available regardless of the weather or the season.
Without a storage system, a house equipped with solar panels remains dependent on the grid at night and on cloudy days. Modern lithium-ion batteries, such as Tesla Powerwall or LG Chem systems, make it possible to store solar energy produced during the day for use in periods of low production. Smart energy management systems automatically coordinate solar generation, battery storage, and generator activation to maximize efficiency.
Substantial savings : Significant reduction in energy bills, protection against price increases and the possibility of selling excess electricity via net metering programs.
Real estate valuation : Energy-autonomous homes benefit from increased value on the Quebec real estate market.
Autonomy and resilience : Guaranteed power continuity in the event of breakdowns thanks to generators and independence from fluctuations in energy markets.
Peace of mind : A system including a generator eliminates the anxiety associated with prolonged outages, which is particularly critical during Quebec winters.
High initial investment : The costs vary considerably depending on the level of autonomy targeted and the technologies chosen.
Technical complexity : The integration of multiple systems requires professional expertise to optimize performance.
Regular maintenance : Annual inspections, cleaning of solar panels, periodic maintenance of generators and possible replacement of batteries every 10 to 15 years.
Operational costs : Generators generate fuel costs that must be considered in the operational budget.
The Renoclimat program offers grants of up to $20,000 for energy-efficient renovations of a single-family home, while the federal Greener Homes program offered up to $5,000 for some improvements (note: this program has not been accepting new applications since October 1, 2025). For businesses, Transition ÉcoPerformance Québec's EcoPerformance program finances up to 75% of eligible costs for energy efficiency projects.
Phase 1: Assessment and Optimization (Year 1) - Start with a comprehensive energy assessment carried out by certified experts. Invest in improving the building envelope: insulation, sealing, and window replacement.
Phase 2: Installing a generator (year 1-2) - Secure your power supply with a home generator. This installation protects you immediately against breakdowns and is the basis for a comprehensive autonomy system. The specialists can guide you through a complete range of generators adapted to Quebec residential needs.
Phase 3: Renewable production systems (years 2-3) - Size and install the appropriate production systems. A solar PV system is generally the best starting point.
Phase 4: Storage and automation (years 3-5) - Add smart storage solutions and management systems to optimize the coordinated use of solar, battery, and generator power.
The design and installation of energy autonomy systems require multidisciplinary expertise combining knowledge in energy efficiency, electrical systems, generators and regulations. The professional services make it possible to avoid costly mistakes and to maximize the return on investment.
For the installation of residential generators, use certified specialists that include Quebec electrical codes and integration with renewable energy systems.
Achieving true energy autonomy in Quebec combines proven technologies, strategic planning and professional expertise. The integration of a generator represents the ultimate insurance against service interruptions. A hybrid system including a generator ensures a reliable power supply 365 days a year.
Investing in energy autonomy is part of a long-term vision of resilience, environmental responsibility and independence. With current technologies and the expertise of professionals, transforming your property into a standalone home has never been more accessible.
The ERCO team of experts has the expertise to assess the energy potential of your property and design a tailor-made autonomy strategy. Specialized in the installation of residential generators and the integration of hybrid energy systems, we support you at every stage towards complete energy independence. Contact us today for a personalized consultation and discover how to ensure your energy autonomy while protecting your property against breakdowns and climatic hazards.
