North Carolina Solar Property Tax Exemption Explained

North Carolina law provides a property tax exemption for solar energy systems installed on residential and commercial properties, shielding owners from the added assessed value that a solar installation would otherwise create. This page covers the statutory basis of that exemption, the mechanism through which it operates, common ownership and installation scenarios, and the boundaries that define eligibility. Understanding these parameters helps property owners, county assessors, and real estate professionals interpret how solar investments interact with local tax obligations.

Definition and scope

North Carolina General Statute § 105-275(45) exempts from property taxation the appraised value of a solar energy electric system or a solar energy heating or cooling system installed on real property (North Carolina General Assembly, G.S. § 105-275). The exemption is not a credit against taxes owed — it is a valuation exclusion, meaning the assessed value of the solar equipment is removed from the property's taxable base entirely.

Scope of the exemption:

The statute applies to:

• Solar photovoltaic (PV) systems that generate electricity
• Solar thermal systems used for space heating, cooling, or water heating
• Equipment affixed to residential real property
• Equipment affixed to commercial real property

The exemption covers the equipment value added by the solar installation. It does not affect the underlying land value or the pre-existing structure value. A county assessor calculates the property's total market value, then subtracts the appraised value attributable to the qualifying solar system before applying the local tax rate.

For context on how solar systems are classified by type and scale, the North Carolina Solar Authority index provides a structured entry point into state-specific solar topics.

Geographic and jurisdictional scope: This page covers North Carolina state law only. Federal tax treatment of solar installations — including depreciation under IRS rules and the Investment Tax Credit — falls outside the scope of this exemption and is not covered here. Counties administer property assessment within the framework established by North Carolina state law; municipal property taxes, where applicable, follow the same assessed value because municipalities generally adopt county assessments. Neighboring states' exemption statutes do not apply to North Carolina property.

How it works

The exemption operates through the county assessment process administered by each county's tax assessor under the supervision of the North Carolina Department of Revenue (NCDOR). The mechanism follows a defined sequence:

1. Installation and permitting. The property owner installs a qualifying solar system. Local building permits are issued through the county or municipality; electrical inspections are conducted under the North Carolina State Building Code, which references National Electrical Code (NEC) standards for photovoltaic systems.
2. Assessment cycle. County assessors appraise real property on a regular reappraisal cycle, typically every 4 or 8 years in North Carolina, with interim adjustments for new construction.
3. Valuation of the solar system. The assessor determines the appraised value attributable to the solar equipment. For new construction or additions, this step occurs when the improvement is reported or discovered.
4. Exemption application. Under G.S. § 105-275(45), the solar equipment value is excluded from the property's taxable assessed value. No separate annual application is typically required; the exclusion is applied as a matter of law during the assessment process.
5. Tax bill calculation. The county applies its tax rate to the reduced assessed value. The property owner pays taxes only on the base property value without the solar increment.

The process for understanding how a solar energy system interfaces with utility infrastructure is explained in the conceptual overview of how North Carolina solar energy systems work.

Contrast this with the North Carolina solar sales tax exemption, which operates at the point of purchase rather than through ongoing annual assessment, and which involves a different statutory provision and administrative channel.

Common scenarios

Residential rooftop PV system: A homeowner installs a 10-kilowatt rooftop photovoltaic system. The county assessor, upon the next assessment cycle or discovery of the improvement, assigns an appraised value to the equipment — for example, $25,000. Under G.S. § 105-275(45), that $25,000 is excluded from the taxable base. If the county tax rate is $0.70 per $100 of assessed value, the exclusion prevents approximately $175 annually in additional property taxes on that increment.

Commercial ground-mount system: A business installs a 500-kilowatt ground-mounted array on commercially zoned land. The solar equipment value, which may be substantial, is excluded from the property's assessed value. The land itself remains fully taxable. For commercial-scale installations, see commercial solar systems in North Carolina.

Agricultural solar: A farm operator installs a solar array on agricultural land. The equipment exemption under G.S. § 105-275(45) applies independently of any present-use value classification the land may carry under G.S. § 105-277.2. These are distinct assessment provisions. For agricultural-specific considerations, see agricultural solar in North Carolina.

Battery storage integration: A property owner adds a battery storage system alongside solar panels. Battery storage is not explicitly enumerated in G.S. § 105-275(45) as of the statute's published text; county assessors may treat integrated storage differently from the generating equipment itself. See battery storage integration in North Carolina for related context.

Decision boundaries

The following distinctions determine whether a system or situation qualifies:

The regulatory context for North Carolina solar energy systems provides a broader view of how state statutes and utility commission rules interact with solar installations.

For properties considering the combined financial picture — including the federal Investment Tax Credit and state-level incentives — see North Carolina solar incentives and tax credits and solar return on investment in North Carolina.

County assessors have administrative discretion in determining the appraised value of solar equipment, and assessment methodologies can differ between counties. Property owners disputing an assessment may use the appeal process established under North Carolina General Statute § 105-290.

References

• North Carolina General Assembly, G.S. § 105-275 — Property Tax Exclusions
• North Carolina Department of Revenue — Property Tax Division
• North Carolina State Building Code Council
• National Electrical Code (NEC), NFPA 70 2023 Edition — Article 690, Solar Photovoltaic Systems
• North Carolina General Assembly, G.S. § 105-290 — Appeals of Property Tax Assessments