Beginner Guide

A solar panel installation that passes a visual inspection can still fail the ESA review, and the most common reason is a MC4 connector crimped with pliers instead of a calibrated crimping tool. A homeowner on Woodlawn Road in Guelph, Wellington County completed a 1kW rooftop solar panel installation in summer 2023. The array looked

A solar power system has four components, panels, charge controller, battery bank, and inverter, and the most common Ontario beginner mistake is sizing one component correctly while leaving another dangerously undersized. In spring 2024, a homeowner on Woodlawn Road West in Guelph, Wellington County assembled his solar power system using a YouTube video as a

The correct solar panel angle for an Ontario property is not a single number, it is a seasonal decision that determines whether the system produces enough power in January to matter or barely enough to keep the fridge running. In spring 2024, a homeowner on Edinborough Road in Guelph, Wellington County installed four 200W panels

The most common solar battery storage mistake Ontario beginners make is buying the cheapest battery with the largest Ah number on the label, without understanding that not all of those amp-hours are usable, and that Ontario winters will expose the difference within the first gray streak. A homeowner on Stone Road West in Guelph, Wellington

Solar power tools in Ontario means charging the 18V and 20V battery packs that run the tools, not attempting to run a circular saw or angle grinder directly from a panel array. A carpenter on Victoria Road North in Guelph, Wellington County was building a timber frame structure on a remote rural property in summer

The most common solar inverter size mistake in Ontario is purchasing a 1,500W continuous inverter based on the total running load and discovering that the AC compressor fridge, which draws only 150W while running, surges to approximately 2,400W for 300 to 500 milliseconds on every compressor startup, tripping any inverter whose surge rating falls below

The most common solar battery charger failure in Ontario is a 5W dashboard panel connected to a vehicle battery through a PWM controller, in January, that setup delivers approximately 6Wh on a clear day, which is less than the parasitic draw of a modern vehicle’s security system and engine management module, meaning the battery continues

The most damaging solar panel size mistake in Ontario is wiring four 100W panels in series and connecting them to a budget MPPT charge controller with a 50V maximum input voltage, on a Guelph January morning at -20°C, four panels in series produce approximately 102V open-circuit, more than double the controller’s rated maximum, destroying the

A solar garage system in Ontario is one of the most cost-effective first projects available to a property owner, a detached garage has no existing electrical service, no panel upgrade required, and no utility permission needed for a self-contained off-grid installation. In spring 2023, a homeowner on Woodlawn Road West in Guelph, Wellington County installed

The most expensive solar inverter mistake in Ontario is not buying the wrong wattage, it is buying the wrong waveform. A homeowner on Waterloo Avenue in Guelph, Wellington County purchased a 1,500W modified sine wave inverter to save approximately $80 over a comparable pure sine wave unit. He connected the inverter to his 100Ah LFP