Battery Bank Sizing — Canada

Check your essential loads, choose an outage duration, and get the usable kWh you need.

Essential loads

Daily Load

— kWh

Bank Needed

— kWh

Est. Cost (CAD)

—

Sizing assumes 90% usable depth of discharge. With solar recharge the bank covers overnight gaps rather than the full duration, so the requirement drops roughly in half in daylight months. Cost estimate uses C$1,200/kWh installed (market estimate, 2026-07).

Written & reviewed by

EnergyTools Research Team — Solar Energy Research Group

The EnergyTools Research Team compiles and verifies residential solar data from NREL, EPA, and state utility commissions. Methodology is reviewed quarterly.

  • Source data: NREL PVWatts V8 + Utility Rates V3 APIs
  • Source data: EPA FuelEconomy.gov vehicle efficiency data
  • Methodology reviewed quarterly

Methodology & data sources:NREL PVWatts, provincial utility commissions· Updated 2026.