Solar panel output in San Jose, CA
Each kilowatt of panels in San Jose makes about 1,624 kWh a year, 12.0% above the median U.S. city.
6 kW facing south at 20°: ≈ 9,750 kWh. Other sizes and layouts
- Oakland lies 64 km away with yearly outputs 2.6% apart. Month by month, San Jose comes out ahead in March, May, June, July, August, September, October and December.
- Among the ten most productive cities in July and August.
- February is where it ranks lowest nationally: 77th of 100 that month, against 24th over the year.
- The weakest month is January, not December as in 82 of the 100 cities.
- Winter output drops hard: December to February makes only 47% of June to August, the 14th lowest ratio of the 100 cities.
24th of 100 U.S. cities for yearly output · 5.86 kWh/m² of sun a day on the panel
Which way should the panels face?
- 1-axis trackerGround mount1,928+18.7%
- South, tilted 37°1,647+1.4%
- South, 20° tilt1,624baseline
- Flat1,440−11.3%
- West-facing, 20°1,427−12.2%
- East-facing, 20°1,372−15.5%
Months, best first
| Month | kWh per kW | Rank that month |
|---|---|---|
| July | 185.3 | 1 |
| August | 177.1 | 1 |
| June | 172.8 | 11 |
| May | 168.9 | 15 |
| September | 150.0 | 12 |
| April | 147.5 | 33 |
| March | 141.0 | 27 |
| October | 134.8 | 19 |
| November | 95.5 | 51 |
| February | 86.9 | 77 |
| December | 85.0 | 45 |
| January | 79.5 | 66 |
Nearby cities
Same yearly output
- Stockton, CA1,624
- Colorado Springs, CO1,629
- Sacramento, CA1,614
Most similar seasons
- Stockton, CA1,624
- Sacramento, CA1,614
- Salt Lake City, UT1,485