Is Plug-In Solar Legal in Illinois? (2026)
Bill advancing Almost. Illinois has SB 3104 advancing. Senate Floor Amendment No. 7 Pursuant to Senate Rule 3-9(b) / Referred to Assignments (2026-07-02). Until it becomes law, standard utility interconnection rules still apply.
The rules at a glance
| Status | Bill advancing |
|---|---|
| Law / bill | SB 3104 |
| Primary source | Bill record ↗ |
| Timeline | Senate Floor Amendment No. 7 Pursuant to Senate Rule 3-9(b) / Referred to Assignments (2026-07-02) |
| Wattage limit | Not defined |
| Avg. electricity rate | 16.2¢/kWh (EIA estimate) |
| Peak sun hours | ~4 h/day |
| Latest recorded action | Senate Floor Amendment No. 7 Pursuant to Senate Rule 3-9(b) / Referred to Assignments — 2026-07-02 |
Bill status auto-tracked from OpenStates · last checked 2026-08-19. Legal status is machine-classified from the latest legislative action — verify before you install.
What an 800W kit would do in Illinois
Assuming ~4 peak sun hours per day and typical system losses, a standard two-panel 800W plug-in kit in Illinois produces about 899 kWh per year. At the state’s average residential rate of 16.2¢/kWh, that’s roughly $124 per year off your electric bill if you self-consume most of it. A typical 800W kit costs $500–$1,200, so simple payback lands in the 6–10 year range. Run your own numbers →
What this means for renters and condo owners
If you rent or own a condo in Illinois, plug-in solar is the only realistic way to generate your own power — no roof required. Because the state hasn’t passed a dedicated law yet, a technically-compliant route is to keep the system portable, check your utility’s tariff rules, and watch this page: when a bill passes, we update it.
FAQ
Is plug-in (balcony) solar legal in Illinois in 2026?
Not law yet, but SB 3104 is in play — senate floor amendment no. 7 pursuant to senate rule 3-9(b) / referred to assignments (2026-07-02). Standard utility interconnection rules apply until it passes.
How much can an 800W plug-in solar kit save in Illinois?
With about 4 peak sun hours per day and residential electricity at roughly 16.2¢/kWh, an 800W kit produces around 899 kWh per year — worth approximately $124 per year if you use most of that power yourself.
Do renters in Illinois need an electrician to install plug-in solar?
Plug-in kits are designed for outlet installation without an electrician. However, since Illinois has no dedicated law in force yet, check your utility’s rules and your lease before installing.
Does Illinois pay for extra electricity a plug-in system exports?
Generally no — plug-in solar laws are built around self-consumption, not net metering. Any power you don’t use typically flows to the grid uncompensated, which is why sizing the system to your daytime usage matters.
Sources & further reading
- Illinois legislation: SB 3104 — official text ↗
- Bright Saver national legislation tracker
- EIA — electricity rates by state
States with laws already passed: Colorado · Connecticut · Maine · Maryland · New Hampshire · Utah · Vermont · Virginia
Last reviewed: August 19, 2026