Skip to content
Plugshine

Plug-in solar in Mississippi

No law yet in Mississippi

  • No plug-in solar bill introduced as of October 2026

Last verified

Status
No bill yet
Bill
—
Signed
—
Effective
—
Size cap
—
Avg. electricity rate
14.54¢/kWh (-21% vs US)

800 W kit · typical year

$140saved

Payback ≈ 6.4 yrs · ranks #40 of 51 for savings

No plug-in solar legislation had been introduced in Mississippi as of our last check. That doesn't make every plug-in setup illegal, but there is no law that exempts small systems from your utility's interconnection rules — so connecting one without permission may violate your service agreement.

Off-grid use is a different story: a portable panel charging a battery power station that is not connected to your home wiring needs no permission anywhere.

What plug-in solar is worth in Mississippi

Mississippi households pay an average of 14.54¢ per kWh, 21% below the US average of 18.31¢. With roughly 4.8 peak sun hours a day, here is what a well-placed system produces and saves. We assume panels facing south at about 30°, 86% system efficiency and 80% of output used on-site.

800 W kit (2 panels)

Saved per year
$140
Payback ($900 kit)
6.4 yr
Energy used
964 kWh/yr
25-year net
$2,605

1,200 W kit (max)

Saved per year
$210
Payback ($1,300 kit)
6.2 yr
Energy used
1,446 kWh/yr
25-year net
$3,958

Run your own numbers

Change the orientation, mounting and size to match your balcony.

800 W
80%

Plug-in systems aren't net-metered: surplus sent to the grid earns nothing. ~80% is typical without a battery; 95%+ with one.

Estimated savings · Mississippi

$140/ year

≈ $11.68 per month

Payback
6.4 yrs
Energy used
964 kWh/yr
25-year net
$2,605
CO₂ avoided
781 lb/yr

Monthly savings profile

Estimates only. Rate: EIA July 2026 state average; sun hours: long-term averages. See our methodology.

What to do now

  1. 1Don't connect a grid-tied plug-in system yet — without a law, it may breach your utility agreement.
  2. 2Consider an off-grid setup in the meantime: a panel charging a portable power station is legal everywhere.
  3. 3Cut your bill today with no-cost measures — see our guide to lowering your electric bill.
  4. 4Contact your Mississippi state legislators: constituent support is what moved the 2026 bills.

Mississippi plug-in solar FAQ

Is plug-in solar legal in Mississippi?

Not yet. No plug-in solar legislation has been introduced so far. Without a law, connecting a grid-tied plug-in system may violate your utility's interconnection rules. Off-grid setups (a panel charging a portable power station) are allowed everywhere.

How much can balcony solar save in Mississippi?

At Mississippi's average residential rate of 14.54¢/kWh (EIA, July 2026) and about 4.8 peak sun hours a day, a south-facing, tilted 800 W kit saves roughly $140 a year, paying back a $900 kit in about 6.4 years. Vertical railing mounts produce about 30% less.

What is the maximum plug-in solar size in Mississippi?

There is no Mississippi-specific cap yet. Most state laws settle on 1,200 W, the practical limit for a standard 15-amp, 120 V circuit.

Sources

Not legal advice. Laws and effective dates can change; confirm with official Mississippi sources and your utility.