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Maryland Statewide Rule

Maryland Solar Net Metering Guarantee (Public Utilities §7-306)

Few RestrictionsApplies statewide across Maryland (2026)

Key Facts

Statute
Public Utilities §7-306
Statewide cap
3,000 megawatts
Meter type
Two-directional required
Rate treatment
Identical to non-generator tariff
Enforcer
Public Service Commission
Last verified: July 31, 2026

Summary

Maryland requires every electric company to offer eligible solar customer-generators net energy metering under Public Utilities §7-306, with a two-directional meter and a tariff identical in rates to non-generator customers, until statewide capacity reaches 3,000 megawatts.

An electric company serving an eligible customer–generator shall ensure that the meter installed for net energy metering is capable of measuring the flow of electricity in two directions.... The Commission shall require electric utilities to develop a standard contract or tariff for net energy metering and make it available to eligible customer–generators on a first–come, first–served basis until the rated generating capacity owned and operated by eligible customer–generators in the State reaches 3,000 megawatts.

Full Breakdown

Under Md. Code, Public Utilities §7-306, an electric company serving an eligible customer-generator must install a meter capable of measuring electricity flow in two directions and credit exported solar generation against consumption over the billing period. The Public Service Commission requires each utility to file a standard net metering contract or tariff, offered first-come, first-served until in-State customer-generator capacity reaches 3,000 megawatts. The tariff must be identical in energy rates, rate structure, and monthly charges to a comparable non-generator customer, and utilities may not impose new demand, standby, customer, or minimum monthly charges on solar owners. Systems meeting applicable safety standards cannot be forced to buy extra liability insurance or install additional controls.

Violations & Penalties

A utility that refuses net metering, imposes prohibited standby or demand charges, or requires unnecessary equipment is subject to Public Service Commission enforcement, complaint proceedings, and civil penalties under the Public Utilities Article.

Frequently Asked Questions

Does Maryland require a special state permit for solar panels?
No. Building and electrical permits are issued locally, but the statewide guarantee under §7-306 is net metering: utilities must offer eligible solar owners a two-directional meter and standard tariff.
Can my utility charge extra fees for having solar?
No. Section 7-306(e) requires the net metering tariff be identical in rates and monthly charges to a non-generator customer, barring new demand, standby, customer, or minimum monthly charges.
Is there a limit on solar net metering in Maryland?
Yes. Utilities offer net metering first-come, first-served until statewide customer-generator capacity reaches 3,000 megawatts.

Sources

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