Growatt APX 20.0P in Canada 2026: Specs, Price, Rebate

Installed price for the Growatt APX 20.0P in Canada is approximately $15,500 to $18,500 CAD as of 2026. Requires a compatible hybrid inverter, typically supplied with a new solar install and not included in the range shown.

The Ontario Home Renovation Savings Program (HRSP) pays $300 per kWh of installed capacity, capped at 50% of eligible project cost or $5,000, whichever is lower. On the Growatt APX 20.0P (20 kWh), this works out to approximately $5,000 to $5,000. After rebate, net installed price is $10,500 to $13,500. Battery must be installed with a new solar PV system; homes on net metering do not qualify.

Usable capacity: 18 kWh. Round-trip efficiency: Not published. Chemistry: Lithium iron phosphate (LFP). Usable capacity is what the battery delivers after depth-of-discharge limits.

No. The Growatt APX 20.0P does not include an inverter. You need a compatible hybrid inverter, normally supplied as part of a new solar install and not included in the installed price range shown.

Warranty: 10 years. Cycle life: Not published on datasheet. Warranty terms typically require professional installation by a certified installer and adherence to manufacturer's operating envelope.

Homes with electric heat, EV charging, or high overnight consumption where 18 kWh usable capacity has clear utility. Key tradeoff: Hits the $5,000 HRSP cap so per-kWh rebate value is diluted vs. a 15 kWh stack.

See our full comparison at /best-solar-batteries-canada, which shows the Growatt APX 20.0P alongside every other major battery available in Canada on price, capacity, warranty, and rebate.