Rules • AL

Plug-In Solar in Alabama

Alabama has no statewide net metering rule, and Alabama Power historically charges a monthly capacity fee on customer-sited solar that erodes any plug-in payback. Plug-in kits are not explicitly banned, but utility policy and NEC interpretation make grid-tied use impractical for most homes.

Restricted or unfavorable
Disclaimer: This page is educational and not legal or electrical advice. Policies change frequently — verify every detail with your utility, state public utility commission, energy office, local building department, and a licensed electrician before purchasing or installing any plug-in solar equipment.

Net metering & export compensation

No statewide net-metering mandate. Alabama Power offers a buy-back at avoided cost only, and for years assessed a monthly 'backup capacity' charge (~$5/kW) on solar customers; that charge was challenged at the Alabama PSC. TVA territory (north Alabama) follows TVA's Dispersed Power Production rules, not retail net metering.

Interconnection process

Alabama Power and TVA both require a signed interconnection agreement, UL 1741-listed inverter, and an external AC disconnect for any system that can export. There is no simplified small-systems pathway sized for plug-in kits.

Permitting & inspection

Local building departments handle electrical permits. Most AHJs follow a recent NEC edition and require a permanently wired PV circuit; a cord-and-plug install is unlikely to pass inspection.

Utilities operating in this state

Alabama Power, TVA local power companies (Huntsville Utilities, Decatur Utilities, etc.), Alabama Electric Cooperative members.

Electrical code (NEC) considerations

The U.S. National Electrical Code (NEC) does not have a listed pathway for backfeeding a standard 120 V receptacle from a solar inverter. Article 705 covers interconnected power production sources and generally expects a dedicated, breakered, labeled circuit. Many AHJs that follow NEC 2017/2020/2023 will not approve a cord-and-plug PV connection on that basis, regardless of state policy.

HOA, landlord & solar access

Check your lease, HOA covenants, and condo rules. Many states have a 'solar access' or 'solar rights' law that limits HOA restrictions on rooftop PV, but those statutes were written for permanent installations and rarely mention plug-in or balcony kits explicitly. Renters almost always need written landlord permission.

Official sources to consult

Bottom line for plug-in solar buyers in Alabama

Even where state policy is favorable, U.S. utilities and inspectors generally do not recognize a cord-and-plug PV connection. If you want to be fully code-compliant and earn export credits, plan on a permitted, hard-wired install by a licensed electrician with a signed interconnection agreement. Off-grid uses (running a single appliance, charging a battery, RV/shed power) avoid most of these rules but still need to follow product instructions and basic electrical safety.

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