TRU Off Grid blog
Guides and answers
Solar, battery backup, off-grid systems, rebates and Ontario electricity rates, explained by the people who install them.
November 5, 2026
EcoFlow DELTA Pro Ultra Installed in Ontario: What the Job Looks Like
The EcoFlow DELTA Pro Ultra is one of the most popular home battery backups in Ontario. Here is what a proper install looks like, from picking the circuits to the ESA inspection, and when a different system is the better fit.
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November 5, 2026
Do You Need a 200 Amp Panel Before Solar or a Home Battery?
A lot of Ontario homes still run on 100 amp service. Here is when a panel upgrade makes sense before solar or a home battery, when it does not, and how the ESA permit and utility steps fit in.
November 5, 2026
Generator Inlet and Home Battery: How They Work Together in an Outage
A generator inlet lets you plug in a portable generator safely. Paired with a home battery, the battery runs the house and the generator only tops it up during long outages. Here is how the two work together.
November 5, 2026
ESA Permits for Solar and Batteries in Ontario: What Homeowners Should Know
Every solar and battery system in Ontario needs the right permits before it can be switched on. Here is who files what, how the ESA inspection works, and where the utility and building permit fit in.
October 17, 2026
Off-Grid Power for Job Sites: How a Solar and Battery Container Cuts Generator Runtime
Most job sites still run a generator around the clock to power a small office. A solar and battery system built into a sea container lets the battery run the site and the generator only recharge it.
October 17, 2026
How Much Battery Do You Need? Sizing Home Battery Backup in Ontario
The right battery size comes down to two questions: what do you want to keep running, and for how long? Here is how we size EG4 and EP Cube 2.0 systems for Ontario homes, with real examples.
October 17, 2026
Does Solar Work During a Power Outage? What Ontario Homeowners Need to Know
Most homeowners are surprised to learn that a standard solar system shuts off when the power goes out, even on a sunny day. Here is why, and how adding a battery keeps your home running.
October 16, 2026
Ontario Home Renovation Savings Rebate: How Much Can You Get for Solar and Battery?
Ontario's Home Renovation Savings program pays up to $10,000 toward solar panels and a home battery installed together. Here is how much you can get, who qualifies, and the mistakes that cost people their rebate.
October 16, 2026
EG4 6000XP vs 12000XP: Which Off-Grid Inverter Fits Your Cabin or Cottage?
The EG4 6000XP and 12000XP are the two off-grid inverters we install most often. One suits bunkies and seasonal cottages, the other runs full-time homes and shops. Here is how to choose.
October 16, 2026
ULO vs Time-of-Use in Ontario: Can a Battery Cut Your Hydro Bill?
Ontario's Ultra-Low Overnight (ULO) plan has the cheapest and the most expensive electricity in the province. On its own it is a gamble. With a home battery, it becomes one of the best ways to cut your hydro bill.
October 14, 2026
EG4 Battery Installer in Ontario: What a Proper EG4 Installation Includes
The right installer matters as much as the right equipment. This guide covers what a proper EG4 installation includes, why licensed installation matters, and what Ontario homeowners and cottage owners should expect from the process.
October 14, 2026
Whole-Home Battery Backup in Ontario: EG4 vs EP Cube 2.0 (2026 Buyer's Guide)
EG4 and the Canadian Solar EP Cube 2.0 are the two whole-home battery systems we install most. Here is how they compare on power, capacity, placement, warranty and rebates, and how to pick the right one for your home.
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