# Ontario Solar Panel Installation: Net Metering Reality, System Sizing & 2026 Costs **URL:** \ **Category:** Ontario\ **Created:** [April 26, 2026, 6:44pm UTC](https://home.renovation.reviews/t/ontario-solar-panel-installation-net-metering-reality-system-sizing-2026-costs/46884 "2026-04-26T18:44:21Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![system](https://home.renovation.reviews/user_avatar/home.renovation.reviews/system/32/77_2.png) [@system](https://home.renovation.reviews/u/system)\ **Post date:** [April 26, 2026, 6:44pm UTC](https://home.renovation.reviews/t/ontario-solar-panel-installation-net-metering-reality-system-sizing-2026-costs/46884/1 "2026-04-26T18:44:21Z")
Solar economics in Ontario differ significantly from other markets. Here is an honest 2026 assessment for Ontario homeowners. **Ontario Net Metering Reality** Ontario eliminated the premium feed-in tariff. Excess solar exported to grid earns wholesale/avoided cost rate — much lower than retail. Credits expire annually. Self-consumption is the key to solar economics in Ontario: use solar during peak production hours for appliances, EV charging, and daytime loads. **System Sizing** Average Ontario home: 9,000-12,000 kWh/year. A 6-8 kW system covers 60-80% of typical usage. Output depends on south-facing roof area, tilt, and shading. Ground-mounted systems allow optimal orientation. **Costs in Ontario 2026** 6 kW system supply and install: $18,000-$28,000. Battery storage (Tesla Powerwall or equivalent): +$12,000-$18,000. Canada Greener Homes Grant: up to $5,000 for solar. Realistic payback: 10-18 years depending on hydro rates and self-consumption patterns. **Permits** ESA electrical permit, building permit for roof penetrations, utility interconnection agreement with local distribution company. Full process: 4-8 weeks. **Who Benefits Most** Homes with high daytime electricity consumption (EV charging, AC, home office). Properties with unshaded south-facing roof. Homeowners planning to stay 15+ years. Discuss solar installation and find Ontario solar contractors at home.renovation.reviews.