How Many Solar Panels to Run Your Appliances in the Philippines
The question most Filipino households actually ask is not how many kilowatts they need. It is whether solar can run the aircon. This section answers that appliance by appliance, using Philippine sun hours and Philippine panel prices.
The Philippines averages about 4.8 peak sun hours a day, well above Europe or the northern United States. A single 550 W panel produces roughly 2.1 kWh a day after losses. Divide an appliance daily consumption by that and you have your panel count.
Any appliance, your own rate
Change any box. The result updates as you type.
W
hours
PHP/kWh
Cost per month
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Per hour
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Per day
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Per year
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kWh per day
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Planning estimate. The rate box is prefilled with a regional average; the figure on your own bill is the one that matters. Power is draw while running, not while switched on.
Scroll the aircon rows and the pattern is obvious. A 1.5HP non-inverter unit running eight hours needs more panels than the entire rest of a typical household combined. Any conversation about running a Filipino home on solar is really a conversation about the aircon.
Two things make that easier than it looks. Cooling load peaks in the afternoon, which is exactly when panels produce most, so a grid-tied array covers daytime cooling directly with no battery. And an inverter-type unit draws far less than a non-inverter of the same horsepower once the room is cool, which cuts the array you need substantially.
Panels alone will not run it at night
Solar produces in daylight. Aircon runs at night. That mismatch is the entire reason batteries appear on Philippine solar quotes, and batteries remain the expensive component at roughly ₱60,000 to ₱150,000 depending on capacity.
Net metering does not solve it either. Exports credit near the generation rate, around ₱6.50 per kWh rather than the ₱14.7833 retail rate, so daytime surplus sent to the grid buys back less than half the night-time electricity it pays for. Read how net metering actually works before sizing anything.
