Balcony solar in Huntington Beach

800 W of panels on a south-facing balcony railing in Huntington Beach produce about 810 kWh a year and save about $141.

Output by orientation and mounting

Yearly output with 800 W of panels and the inverter limited to 800 W.

Panels face On the railing (vertical) Tilted at 30°
East520 kWh1,010 kWh
South-east700 kWh1,200 kWh
South810 kWh1,320 kWh
South-west850 kWh1,310 kWh
West700 kWh1,160 kWh

Output by month

Railing (vertical) Tilted at 30°
Monthly output in Huntington Beach, south-facing0100200JanFebMarAprMayJunJulAugSepOctNovDec
Show as a table
MonthRailing (vertical)Tilted at 30°
Jan92 kWh94 kWh
Feb85 kWh100 kWh
Mar79 kWh120 kWh
Apr60 kWh130 kWh
May42 kWh130 kWh
Jun33 kWh110 kWh
Jul36 kWh120 kWh
Aug50 kWh120 kWh
Sep62 kWh110 kWh
Oct87 kWh110 kWh
Nov90 kWh94 kWh
Dec91 kWh89 kWh

Savings and payback

At $0.3258 per kWh you save about $141 in the first year. A kit costing $1,300 pays back in about 9.2 years.

  • Electricity price: $0.3258 per kWh (U.S. Energy Information Administration, 2025-09..2026-08). Source
  • Assumes a constant base load of 150 W, so 54% of the output is used at home.
  • Power sent to the grid is not paid for.

Calculate with your own figures

Rules

California

Takes effect on January 1, 2027

Up to 1,200 W of inverter output per home.

  • Certified as a plug-in photovoltaic system by UL or an equivalent nationally recognized testing laboratory, with a certified feature that prevents backfeeding during an outage; meets the National Electrical Code and the California Electrical Code.
  • Your utility may ask you to register the kit.

Last verified: October 31, 2026

Full rules for California

Nearby cities

Data sources

  • Solar data: PVGIS-NSRDB, PVGIS 5.2, 2011–2015.
  • Electricity price: U.S. Energy Information Administration, 2025-09..2026-08.
  • Last verified: October 31, 2026
  • How we calculate