Solar energy in Toledo, United States
Average irradiation 3.83 kWh/m²/day · ~1118 kWh per kWp per year
Monthly solar irradiation & temperature in Toledo (NASA POWER)
| Month | Irradiation (kWh/m²/day) | Avg temp (°C) | Est. production per kWp (kWh) |
|---|---|---|---|
| Jan | 1.58 | -3.8 | 38 |
| Feb | 2.47 | -2.7 | 60 |
| Mar | 3.47 | 2.7 | 84 |
| Apr | 4.69 | 9.3 | 114 |
| May | 5.48 | 15.7 | 133 |
| Jun | 6.16 | 20.9 | 150 |
| Jul | 6.20 | 23.5 | 151 |
| Aug | 5.42 | 22.8 | 132 |
| Sep | 4.37 | 18.9 | 106 |
| Oct | 2.90 | 11.5 | 70 |
| Nov | 1.91 | 4.7 | 46 |
| Dec | 1.31 | -1.0 | 32 |
Solar potential of Toledo explained
Toledo receives an average of 3.83 kilowatt-hours of solar energy per square metre per day, measured over four decades of satellite observation. In practical terms, every kilowatt-peak of installed PV capacity yields about 1118 kWh of electricity per year here, assuming a well-oriented system with a typical 80% performance ratio. This is a solid mid-range solar resource: production is meaningful year-round, though winter output drops noticeably.
Frequently asked questions
Is solar worth it in Toledo?
With 3.83 kWh/m²/day of average irradiation, a 1 kWp system in Toledo produces roughly 1118 kWh per year. That is a good solar resource; with current panel prices most systems pay back well within their lifetime.
How much electricity would a 5 kW system produce in Toledo?
Approximately 6,000 kWh per year — enough to cover a large share of a typical household's consumption.
What data is this based on?
Long-term satellite observations from NASA POWER (1981–present) and the PVGIS SARAH3 database, assuming a performance ratio of 80%.
Compare with nearby cities
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