Solar Panel Calculator for Anaheim, CA
Estimate the cost, savings and payback of solar panels in Anaheim, CA, using local NREL sunshine data, California prices and electricity rates.
Your result
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Anaheim gets about 6.01 peak sun hours a day on a south-facing roof, so each kW of panels makes about 1,659 kWh a year. That ranks #16 of the 111 cities on this site. Output peaks in Aug and is lowest in Dec.
Sunshine in Anaheim by month
What an 8 kW system makes in Anaheim
| Month | Sun hours a day | Output | Bill savings |
|---|---|---|---|
| Jan | 4.45 | 864 kWh | $281 |
| Feb | 4.99 | 872 kWh | $284 |
| Mar | 6.00 | 1,136 kWh | $370 |
| Apr | 6.58 | 1,192 kWh | $388 |
| May | 6.44 | 1,200 kWh | $391 |
| Jun | 7.21 | 1,288 kWh | $420 |
| Jul | 7.49 | 1,376 kWh | $448 |
| Aug | 7.52 | 1,376 kWh | $448 |
| Sep | 6.69 | 1,192 kWh | $388 |
| Oct | 5.76 | 1,064 kWh | $347 |
| Nov | 4.88 | 904 kWh | $295 |
| Dec | 4.12 | 816 kWh | $266 |
| Year | 6.01 | 13,272 kWh | $4,324 |
Savings at 32.58¢ per kWh (California average), with every kWh credited at that price.
Cost and payback by system size
At $2.52 per watt, the California average, before incentives.
| System | Cost | Year 1 savings | Payback | 25-yr gain |
|---|---|---|---|---|
| 4 kW | $10,080 | $2,162 | 4.7 yrs | $40,848 |
| 6 kW | $15,120 | $3,243 | 4.7 yrs | $61,272 |
| 8 kW | $20,160 | $4,324 | 4.7 yrs | $81,696 |
| 10 kW | $25,200 | $5,405 | 4.7 yrs | $102,120 |
| 12 kW | $30,240 | $6,486 | 4.7 yrs | $122,545 |
How many panels you need in Anaheim
| Monthly use | System | 400 W panels |
|---|---|---|
| 500 kWh | 3.62 kW | 10 |
| 750 kWh | 5.42 kW | 14 |
| 1,000 kWh | 7.23 kW | 19 |
| 1,500 kWh | 10.85 kW | 28 |
| 2,000 kWh | 14.47 kW | 37 |
Covering 100% of a year's use at 1,659 kWh per kW.
Common questions
Is solar worth it in Anaheim?
At local averages an 8 kW system costs about $20,160 before incentives, saves about $4,324 in its first year and pays back in about 4.7 years.
How many peak sun hours does Anaheim get?
About 6.01 a day over the year on a south-facing roof at 20°, from 4.1 in Dec to 7.5 in Aug, according to NREL's PVWatts model.
How much does a 1 kW solar system produce in Anaheim?
About 1,659 kWh a year, or 138 kWh a month on average.
Is there a federal solar tax credit?
Not for homeowners who buy their system. The 30% Residential Clean Energy Credit ended for systems installed after December 31, 2025.
Sources
- NREL PVWatts V8 API (south-facing, 20° tilt, 14% losses, typical-year weather): https://developer.nlr.gov/docs/solar/pvwatts/v8/
- EnergySage, Solar panel cost by state (updated November 6, 2026): https://www.energysage.com/local-data/solar-panel-cost/
- U.S. EIA, Electric Power Monthly, Table 5.6.B (residential price, Jan–Aug 2026): https://www.eia.gov/electricity/monthly/epm_table_grapher.php?t=epmt_5_6_b