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Plug-in & balcony solar · United States · 2026
Solar you plug into an outlet.
Independent guides to plug-in and balcony solar in the United States: how it works, where it is legal, what it costs, and what it actually saves. No affiliate hype, no “free energy” claims — just what the laws, the standards, and the arithmetic actually say.
8 stateshave enacted plug-in solar laws
3 moreawaiting a governor's signature
1,200 Wthe cap most US laws settled on
UL 3700the safety standard that unlocked it
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All 51 jurisdictions →Law enactedAwaiting signatureBill advancingBill stalledBill failedNo legislation
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Which kit should you buy?
Six systems sold into the US compared on certification, price and output — including the caveats the manufacturers leave out.
Plug-in solar laws by state
Bill numbers, wattage caps, effective dates and local electricity rates for all 50 states and DC, re-checked weekly.
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All 10 guides →
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What Is Plug-In Solar? The Panel That Plugs Into a Wall Outlet, Explained
One to four panels, a microinverter, and a regular household plug. Here is how a balcony solar system actually feeds power into your home — and what it will and will not do.
- What it is
- One to four panels feeding a microinverter that plugs into a normal outlet.
- Typical cost
- $285 to about $2,000 installed, depending on size and battery.
- Typical output
- 650–1,400 kWh a year from an 800 W kit.
Is Plug-In Solar Legal in the US? A State-by-State Guide for 2026
Eight states have enacted plug-in solar laws, two more have bills on a governor's desk, and roughly 35 have seen legislation introduced. Here is where things actually stand — and what "legal" means in the states that have not acted.
Is Plug-In Solar Safe? The Circuit-Overload Question, Answered Honestly
Electricians have a real technical objection to plugging solar into a wall outlet, and it is not the one most people worry about. Here is the actual failure mode, and what UL 3700 does about it.
How Much Does Plug-In Solar Actually Save? The 2026 Arithmetic
Not free energy — an appliance with a payback period. Here is how to calculate yours in about five minutes, and why self-consumption matters more than panel wattage.
UL 3700 Explained: The Standard That Made Plug-In Solar Possible in America
For years the answer to "why can't I buy this in the US?" was that no safety standard existed for it. In December 2025 that changed. Here is what UL 3700 covers and why it mattered so much.
How to Install a Plug-In Solar Kit: A Step-by-Step Guide
From checking your lease to the moment the meter slows down. A practical walkthrough for renters and homeowners, including the checks most instruction manuals skip.
Balcony, Fence, Roof or Yard: Where to Put Plug-In Solar for Maximum Output
The same kit can produce twice as much in one spot as another. Orientation, tilt, shading and wind — how to pick the position before you drill anything.
Plug-In Solar vs Rooftop Solar vs Portable Power Stations
Three products people confuse constantly, solving three different problems. A clear comparison of cost, output, permitting, and what each one is actually for.
Germany Has Millions of Balcony Solar Systems. America Had Almost None. Why?
The same technology, the same physics, wildly different adoption. What Germany got right, what genuinely does not transfer to the US, and what the last two years changed.
Eight Things People Get Wrong About Plug-In Solar
Including the biggest one — that it is free energy. A myth-by-myth correction, with the actual numbers and the actual law.