Solar panel output in Wilmington, DE
Each kilowatt of panels in Wilmington makes about 1,364 kWh a year, 5.9% below the median U.S. city.
6 kW facing south at 20°: ≈ 8,180 kWh. Other sizes and layouts
- Philadelphia lies 46 km away with yearly outputs 1.2% apart. Month by month, Wilmington comes out ahead in March, May, August, October, November and December.
- March is where it ranks highest nationally: 50th of 100 that month, against 68th over the year.
- Its yearly output matches Des Moines, IA, 1,536 km away, within 0.2%.
- The nearest listed city with more output is Baltimore, MD (104 km); the nearest with less is Philadelphia, PA (46 km).
- A 1-axis tracker would add +12.6%, the 4th smallest tracker gain of the 100 cities.
68th of 100 U.S. cities for yearly output · 4.80 kWh/m² of sun a day on the panel
Which way should the panels face?
- 1-axis trackerGround mount1,535+12.6%
- South, tilted 40°1,401+2.8%
- South, 20° tilt1,364baseline
- Flat1,184−13.2%
- East-facing, 20°1,162−14.8%
- West-facing, 20°1,148−15.8%
Months, best first
| Month | kWh per kW | Rank that month |
|---|---|---|
| July | 145.3 | 64 |
| May | 138.1 | 77 |
| August | 136.3 | 66 |
| June | 136.0 | 80 |
| April | 134.0 | 56 |
| March | 125.5 | 50 |
| September | 119.8 | 72 |
| October | 99.8 | 78 |
| February | 90.9 | 69 |
| November | 90.1 | 56 |
| January | 77.4 | 72 |
| December | 70.3 | 69 |
Nearby cities
Same yearly output
- Des Moines, IA1,367
- Durham, NC1,360
- Raleigh, NC1,370
Most similar seasons
- Philadelphia, PA1,348
- Oakland, CA1,582
- Virginia Beach, VA1,434