A typical California ADU solar system produces 4,000–8,000 kWh per year — enough to fully offset most ADU tenant electric loads under NEM 3.0. Production varies by climate zone, size, and tilt.
A typical California ADU solar system (2–4 kW) produces 4,000–8,000 kWh per year, depending on climate zone, system size, roof tilt, and shading.
Below: full details, common edge cases, and how to get instant pricing for your specific California ADU project.
For most California ADU owners, how much electricity do adu solar panels produce? comes up at one of three points: planning, permitting, or post-installation. Each phase has its own answer below.
If you'd rather skip the reading and see a real number for your project, our calculator delivers instant pricing without a sales call.
Easy ADU Solar is a referral platform — we negotiate with multiple licensed C-46 California installers to get you fixed pricing. We surface this question because it's one of the top-asked items by California ADU owners researching solar.
A typical California ADU solar system (2–4 kW) produces 4,000–8,000 kWh per year, depending on climate zone, system size, roof tilt, and shading.
Under 30 seconds via our calculator — no phone or email required.
Garage conversions and JADUs are usually exempt from Title 24 solar but follow the same answer for voluntary installs.