Appliance
How many solar panels to run a ceiling fan?
A ceiling fan uses about 100 Wh a day. At the U.S. average of 4.98 sun hours that takes about 27 W of panels and a 0.12 kWh battery for one day.
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| Value | |
|---|---|
| Model used | Hunter 52774 44-inch ceiling fan, high speed |
| Daily energy | 100 Wh |
| Basis | 12.5 W × 8 h/day (assumed use) |
| Panel watts (U.S. avg) | 27 W |
| Battery, 1 day | 0.12 kWh |
| Source | manufacturer / ENERGY STAR |
By state
| State | Panel watts |
|---|---|
| Arizona | 20 W |
| Colorado | 24 W |
| Wyoming | 25 W |
| Idaho | 26 W |
| Missouri | 27 W |
| South Dakota | 27 W |
| Montana | 28 W |
| New Jersey | 29 W |
| Maine | 29 W |
| Michigan | 30 W |
| Alaska | 42 W |
Questions
How many solar panels to run a ceiling fan?
A ceiling fan uses about 100 Wh a day. At the U.S. average of 4.98 sun hours that takes about 27 W of panels and a 0.12 kWh battery for one day.
Where does the daily energy come from?
12.5 W × 8 h/day (assumed use). ENERGY STAR lists high speed at 12.5 W, low speed at 1.6 W, and standby at 0.3 W for this 44-inch fan. The run check uses high speed. Startup watts are not published.