
Where Can You Install a Home Battery in Ontario?
Ontario's Electrical Safety Code allows home batteries in exactly four locations: an attached garage, a detached garage or free standing structure, the exterior wall of the house, or a dedicated utility room built to fire safety specs. Sleeping areas are prohibited outright. The detail that decides most installs: outdoor wall and attached garage placements allow up to 80 kWh, four times the 20 kWh per system indoor room limit. Basements are now allowed under the 2024 code if the room is built to spec. The 1 m clearance rule, the winter tradeoff on outdoor units, what belongs in your quote before you sign, and how location affects cost. Verified against ESA Bulletin 64-8-2 and Rule 64-1100.
























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