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Solar panels in Kansas City, Missouri
Kansas City receives 4.45 peak sun hours a day and 1,625 kWh/m² of solar energy a year. That is measured satellite data for Kansas City's coordinates, not a national average — and it changes the panel count.
Kansas City solar data
4.45peak sun hours/day
1,625annual irradiance (kWh/m²)
1.47kWh/day from one 400 W panel
536kWh/year from one 400 W panel
Monthly solar irradiance in Kansas City
| Month | Peak sun hours/day | Share of year |
|---|---|---|
| January | 1.96 | 0.2 |
| February | 3.65 | 0.3 |
| March | 4.23 | 0.4 |
| April | 5.64 | 0.5 |
| May | 5.92 | 0.5 |
| June | 6.82 | 0.6 |
| July | 6.39 | 0.5 |
| August | 5.34 | 0.4 |
| September | 4.91 | 0.4 |
| October | 4.29 | 0.4 |
| November | 2.28 | 0.2 |
| December | 1.85 | 0.2 |
Source: NASA POWER daily point API, parameter ALLSKY_SFC_SW_DWN (global horizontal irradiance), year 2024. Coordinates 39.0997, -94.5786.
How many solar panels does Kansas City need?
For a typical US household using 900 kWh a month, Kansas City needs about 21 panels of 400 W (8.17 kWp), with a south-facing roof. That is fewer panels than the same household would need in a city with 4.5 peak sun hours.