If you're searching for a specific number — "how many panels for a 3-bedroom house" — honestly, that question can't be answered without knowing what's actually in the house. Two homes the same size can need very different systems.
Panel count isn't based on square footage or number of bedrooms. It's based on how much electricity your appliances actually draw, and how many hours a day you need that power available. A home with a few lights, a fridge, and a router needs a fraction of what a home running air conditioning and a water pump needs — even if the two houses look identical from outside.
In practice, what we see is a straightforward process: list the appliances you want powered, note their wattage and how many hours a day they run, and add it up into a daily kWh figure. That number drives everything else — how many panels are needed to generate it, and how much battery capacity is needed to store it for the hours the sun isn't out.
Get the load list wrong — leave out the freezer, underestimate AC hours — and the system will underperform no matter how many panels are on the roof. Getting the load right matters more than any panel count you'll find in a generic guide.
Take two identical 3-bedroom homes. One runs lights, fans, a fridge, and a TV in the evenings. The other runs the same, plus a split AC unit overnight and a borehole pump during the day. The second home's daily energy use can be three or four times higher than the first — which means a meaningfully larger, more expensive system, even though the buildings are the same size.
That's why "how many panels for a 3-bedroom house" doesn't have one honest answer.
We could — plenty of sites will. But a number pulled from a generic table, without knowing your actual appliances, is a guess dressed up as an answer. It might undersize your system, leaving you short during exactly the hours you need power most. Or it might oversize it, and you pay for capacity you didn't need.
That's not a good trade either way. The honest answer is that sizing takes a real look at your specific load.
Before a free site assessment, it helps to have a rough list: your major appliances, an estimate of daily hours of use, and how many hours of backup you want during an outage. We'll take it from there — measuring your roof or install space, confirming the load, and designing a system sized to what your home or business actually needs, not a generic package.
See what you're currently spending on power with our savings calculator, then explore our solar and battery solutions or book a free site assessment to get an exact system size.