California Solar Initiative (CSI) - SDG&E

California Public Utilities Commission / SDG&E

Available Solar & Renewable

About This Program

California Solar Initiative (CSI) - SDG&E is available to homeowners in Carlsbad, CA.

California's solar rebate program providing performance-based incentives for solar photovoltaic systems in SDG&E territory. Incentive rates decline as more solar is installed. Must use eligible contractor and equipment.

Incentive calculated per watt of installed solar capacity

Official source site checked live on 2026-06-22.

Data last verified 2026-06-09. How we verify our data.

In Carlsbad, CA, you can combine this program with other local help to cut your cost:

Key Details

  • Performance-based solar incentive
  • Available to all SDG&E customers
  • Must use certified installer
  • Incentive rate declines over time
  • Combines with federal tax credit

How to Apply

Get free help applying Visit Official Program Page Track this program

(866) 484-2651

A grant-savvy contractor in Carlsbad, CA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

You will likely need a contractor to apply

Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Carlsbad early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Your federal tax return for the year of the work (this benefit is claimed on your taxes, not through a separate application).
  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Ongoing, step-down incentive structure

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Frequently asked questions

Who qualifies for California Solar Initiative (CSI) - SDG&E in Carlsbad?

California Solar Initiative (CSI) - SDG&E is open to homeowners in Carlsbad, CA. It has no income limit.

How do I apply for California Solar Initiative (CSI) - SDG&E in Carlsbad, CA?

Apply directly with California Public Utilities Commission / SDG&E using the official program link on this page or call (866) 484-2651. There is no middleman and no fee.

Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

Get matched with a pro, free Browse Carlsbad, CA contractors

Find More Programs in Carlsbad, CA

This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.

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