No state law yetChecked October 29, 2026

Is balcony solar legal in Wyoming?

Not yet. Wyoming has no plug-in solar law.

Without a specific law, connecting any solar device to your home's wiring falls under your utility's interconnection rules, which usually require an application.

Size limit: No law
Utility notice: Interconnection rules apply
Electricity price: 14.0¢/kWh
800 W kit payback: 6.8 years

Calculate for Wyoming See the bills

Where things stand in Wyoming

The 2026 budget session ended without passing a plug-in solar bill.

HB 146

Did not pass

Affordable Electricity Act of 2026

Would have regulated small plug-in solar generation devices, exempted them from specified utility rules, and shielded utilities from liability. It died in committee on March 3, 2026.

Record: Wyoming Legislature: HB 146 digest

What this means if you live in Wyoming

With no plug-in solar statute, a grid-tied kit is treated like any other generator connected to your home. Utilities generally require an interconnection application before you connect anything that can push power into the wiring, and connecting without approval may violate your utility's terms of service. Plugging in a kit is not clearly legal or clearly illegal; it is unapproved.

Your options today

Ask your utility. Some utilities offer a simplified application for very small systems. Ask whether a certified plug-in kit under 1,200 W can be approved, and get the answer in writing.
Go off-grid instead. Panels that charge a portable power station, with devices plugged into the station rather than the wall, never connect to the grid and need no approval. You lose some efficiency and pay for the battery.
Plan for when the law changes. A certified kit bought now will meet the rules most states have adopted: up to 1,200 W, listed by a testing lab, with automatic shutoff. See how to choose a kit.
Tell your legislators. Bills have moved fastest where constituents asked for them. Ten states passed laws in about 18 months.

Federal bill. Socket Full of Sunshine Act (H.R. 10851): Introduced in Congress on October 19, 2026 by Rep. Rob Menendez (D-N.J.). It would remove utility approval and fees for plug-in systems up to 1.2 kW nationwide, give state regulators two years to set a standard, bar landlords from blocking tenants with some exceptions, and fund state rebates of up to $1,000 for low- and middle-income households. It has not passed. Source.

What a balcony kit would save in Wyoming

Wyoming's average residential price was 14.0¢ per kWh for January–August 2026, below the US average of 18.2¢ and up 7% from the same months of 2025 (EIA). That ranks 42 of 51 for price, so these are the savings you would see if the kit were allowed.

800 W kit, $700	kWh per year	Savings per year	Payback
Hanging on a south-facing railing	898	$102	6.8 years
Hanging on an east- or west-facing railing	688	$88	8.0 years
Tilted 35° on a stand, facing south	1319	$133	5.2 years

Assumes a 300 W always-on household load and 5.36 peak sun hours (NREL data for Wyoming's largest city). How we calculate.

Before you connect anything

Call or email your utility and ask how it treats a certified plug-in kit under 1,200 W.
If you want power now, consider an off-grid setup with a portable power station.
If you buy a grid-tied kit to use later, make sure it is listed by a testing lab. See UL 3700 explained.
Read the safety guide before plugging anything in.

Common questions

Is plug-in solar legal in Wyoming?

Not yet. Wyoming has no plug-in solar law. Without a specific law, connecting any solar device to your home's wiring falls under your utility's interconnection rules, which usually require an application. Status checked October 29, 2026.

Is there a plug-in solar bill in Wyoming?

HB 146: Would have regulated small plug-in solar generation devices, exempted them from specified utility rules, and shielded utilities from liability. It died in committee on March 3, 2026.

Can I use solar panels in Wyoming without connecting to the grid?

Yes. Panels that charge a portable power station, with your devices plugged into the station rather than a wall outlet, are not connected to the grid and do not need utility approval. Grid-tied plug-in kits are a different matter until Wyoming passes a law or your utility approves the connection.

How much would balcony solar save in Wyoming?

At Wyoming's average residential price of 14.0¢/kWh, an 800 W kit hanging on a south-facing railing would save about $102 a year in our model, paying back a $700 kit in about 6.8 years. East- or west-facing railings save about $88.

Sources for Wyoming

Found something out of date? Email hiruben@gmail.com. We log fixes on the corrections page. This page is general information, not legal advice.