Balcony solar in Chico

800 W of panels on a south-facing balcony railing in Chico produce about 820 kWh a year and save about $138.

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 kWh1,030 kWh
South-east790 kWh1,210 kWh
South820 kWh1,280 kWh
South-west790 kWh1,210 kWh
West610 kWh1,030 kWh

Output by month

Railing (vertical) Tilted at 30°
Monthly output in Chico, south-facing0100200JanFebMarAprMayJunJulAugSepOctNovDec
Show as a table
MonthRailing (vertical)Tilted at 30°
Jan86 kWh79 kWh
Feb81 kWh86 kWh
Mar71 kWh96 kWh
Apr66 kWh120 kWh
May52 kWh130 kWh
Jun38 kWh130 kWh
Jul44 kWh140 kWh
Aug63 kWh130 kWh
Sep72 kWh110 kWh
Oct94 kWh110 kWh
Nov76 kWh74 kWh
Dec75 kWh67 kWh

Savings and payback

At $0.3258 per kWh you save about $138 in the first year. A kit costing $1,300 pays back in about 9.4 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 52% 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