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Plug-in solar in Oklahoma

Not yet — Oklahoma's bill stalled in 2026

  • HB 4060 passed the House 88–4
  • Stalled in the Senate; expected back in 2027

Last verified

Status
Bill stalled
Bill
HB 4060
Signed
—
Effective
—
Size cap
—
Avg. electricity rate
14.35¢/kWh (-22% vs US)

800 W kit · typical year

$147saved

Payback ≈ 6.1 yrs · ranks #33 of 51 for savings

Oklahoma came closer than any state that didn't pass a law: HB 4060 cleared the House by an overwhelming 88–4 vote before stalling in the Senate. Expect it to be reintroduced in 2027.

Oklahoma has excellent sunshine but some of the lowest electricity prices in the country, so payback would be long.

What plug-in solar is worth in Oklahoma

Oklahoma households pay an average of 14.35¢ per kWh, 22% below the US average of 18.31¢. With roughly 5.1 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
$147
Payback ($900 kit)
6.1 yr
Energy used
1,025 kWh/yr
25-year net
$2,776

1,200 W kit (max)

Saved per year
$221
Payback ($1,300 kit)
5.9 yr
Energy used
1,537 kWh/yr
25-year net
$4,213

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 · Oklahoma

$147/ year

≈ $12.25 per month

Payback
6.1 yrs
Energy used
1,025 kWh/yr
25-year net
$2,776
CO₂ avoided
830 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 Oklahoma state legislators: constituent support is what moved the 2026 bills.

Oklahoma plug-in solar FAQ

Is plug-in solar legal in Oklahoma?

Not yet. A bill was introduced but stalled this session. Expect it back. 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 Oklahoma?

At Oklahoma's average residential rate of 14.35¢/kWh (EIA, July 2026) and about 5.1 peak sun hours a day, a south-facing, tilted 800 W kit saves roughly $147 a year, paying back a $900 kit in about 6.1 years. Vertical railing mounts produce about 30% less.

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

There is no Oklahoma-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 Oklahoma sources and your utility.