Balcony solar in Santa Barbara

800 W of panels on a south-facing balcony railing in Santa Barbara produce about 840 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°
East610 kWh1,080 kWh
South-east790 kWh1,270 kWh
South840 kWh1,370 kWh
South-west840 kWh1,320 kWh
West670 kWh1,140 kWh

Output by month

Railing (vertical) Tilted at 30°
Monthly output in Santa Barbara, south-facing0100200JanFebMarAprMayJunJulAugSepOctNovDec
Show as a table
MonthRailing (vertical)Tilted at 30°
Jan100 kWh100 kWh
Feb88 kWh100 kWh
Mar79 kWh120 kWh
Apr59 kWh130 kWh
May41 kWh130 kWh
Jun29 kWh110 kWh
Jul34 kWh120 kWh
Aug52 kWh130 kWh
Sep66 kWh110 kWh
Oct95 kWh120 kWh
Nov97 kWh99 kWh
Dec100 kWh97 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 9.3 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 51% 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