Illinois vs Washington
Side-by-side comparison of solar, energy, and policy data.
| Illinois | Washington | |
|---|---|---|
| Net Metering | Favorable | Favorable |
| Community Solar | Available | Available |
| Key Incentives | 2 programs | 1 programs |
| Utility Regulation | Utility rules and state programs influence interconnection, crediting, and incen… | Rules vary by utility territory; some regions have strong clean-energy adoption … |
Illinois Net Metering
FavorableMany customers can receive meaningful bill credits; verify with your utility and plan.
Washington Net Metering
FavorableBill credits can be attractive; confirm program caps and annual reconciliation.
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.
Washington Tips
Prioritize efficiency first
If electricity is relatively low-cost, efficiency upgrades can improve solar economics.
Model winter output
Shorter winter days impact production; size systems with realistic assumptions.
Frequently Asked Questions
Is solar better in Illinois or Washington?▾
Both states offer solar potential, but they differ in incentives, net metering policies, and electricity rates. Illinois has favorable net metering while Washington has favorable net metering. Use our tools to compare savings for your specific situation.
Which state has better solar incentives?▾
Illinois offers 2 key program(s) and Washington offers 1. The 30% federal tax credit applies in both. Check each state's incentives page for full details.