California vs Illinois
Side-by-side comparison of solar, energy, and policy data.
| California | Illinois | |
|---|---|---|
| Net Metering | Mixed | Favorable |
| Community Solar | Limited | Available |
| Key Incentives | 2 programs | 2 programs |
| Utility Regulation | Investor-owned utilities are regulated by the CPUC; program rules differ across … | Utility rules and state programs influence interconnection, crediting, and incen… |
California Net Metering
MixedExport compensation and billing structures vary by program and year; batteries can shift value via self-consumption.
Illinois Net Metering
FavorableMany customers can receive meaningful bill credits; verify with your utility and plan.
California Tips
Design for evening usage
If exports are less valuable, optimize for daytime self-consumption and evening peak coverage with storage.
Ask about TOU rates
Time-of-use plans can materially change payback—model a few scenarios before signing.
Resilience first
If outages matter, choose an inverter + battery configuration that supports partial-home backup.
Illinois Tips
Compare community vs rooftop
If your roof is complex, community solar can be a simpler path to savings.
Ask about winter production
Model conservative winter output to avoid over-promising annual savings.
Frequently Asked Questions
Is solar better in California or Illinois?▾
Both states offer solar potential, but they differ in incentives, net metering policies, and electricity rates. California has mixed net metering while Illinois has favorable net metering. Use our tools to compare savings for your specific situation.
Which state has better solar incentives?▾
California offers 2 key program(s) and Illinois offers 2. The 30% federal tax credit applies in both. Check each state's incentives page for full details.