Court Denies Property Tax Exemption for Duke Energy

South Carolina regulators rule that power transmission equipment does not qualify for manufacturing tax breaks.

Updated on Oct. 27, 2026 in Utilities

Bold flat-color editorial illustration of a lone power transmission tower, representing legal classification of utility infrastructure.
A South Carolina court ruled that Duke Energy’s power transmission and distribution equipment does not qualify for property tax manufacturing exemptions. AI Illustration. Upload story photo >

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Should utility companies receive property tax exemptions for their power transmission and distribution equipment?

The South Carolina Administrative Law Court has ruled that Duke Energy Carolinas LLC and Duke Energy Progress LLC are not exempt from property taxes on their transmission and distribution equipment. The court determined that existing tax exemptions apply only to machinery located directly at power plant facilities.

Why it matters

The ruling settles a legal dispute over whether utility infrastructure like power lines, poles, and transformers should be classified as manufacturing additions. By limiting the scope of the exemption to production sites, the court clarifies which utility assets are subject to local taxation in South Carolina.

The court ruling specifically impacts transmission assets including power lines, poles, and transformers. This decision denies the tax-exempt status previously sought by Duke Energy Carolinas LLC and Duke Energy Progress LLC.

The players

Duke Energy Carolinas LLC

A subsidiary of Duke Energy that provides electricity services to customers throughout the Carolinas.

Duke Energy Progress LLC

A utility company that manages power generation and distribution operations in the region.

South Carolina Administrative Law Court

The state judicial body responsible for resolving disputes involving administrative agencies and state statutes.

The details

Duke Energy had argued that their distribution network constituted an extension of their power plant manufacturing establishments. The judge rejected this interpretation, finding that the statutory tax exemption is strictly limited to equipment housed within the production facilities themselves.

Timeline

  1. The South Carolina Administrative Law Court issued the ruling on October 26, 2026.

Market Landscape

This decision marks a significant judicial interpretation of South Carolina utility property tax exemption statutes. It establishes a clear legal precedent that differentiates between essential power plant production machinery and broader utility distribution networks.

The ruling potentially increases the tax burden on utility providers operating within the state. Customers may eventually see how these operational tax costs are accounted for in future utility rate filings.

The takeaway

The court's decision highlights the legal distinctions between production equipment and distribution infrastructure. Utility companies may need to adjust their tax planning strategies to align with this restrictive interpretation of manufacturing exemptions.

Further reading

For additional context on utility regulation, visit the Utilities section.

Live Poll

Should utility companies receive property tax exemptions for their power transmission and distribution equipment?