Duke Energy’s Carolinas Solar Push Targets 18.5 GW by 2041

Duke Energy’s filed resource plan for its North Carolina and South Carolina territory outlines 18.5 GW of new solar capacity by 2041, aiming to meet growing energy demands in two of the U.S.’s fastest

Duke Energy filed its Carolinas Resource Plan with South Carolina regulators on August 17, 2026, targeting 18.5 GW of new solar generation in its North Carolina and South Carolina territory by 2041. This expansion aligns with the utility’s forecast that winter peak energy demand in the region will rise by over 10 GW by 2041—representing a 30% cumulative increase from current levels. The plan also includes 14 GW of new gas generation, 13 GW of energy storage, and 4.5 GW of nuclear capacity, though nuclear extensions apply only to existing units. The Carolinas territory, where Duke operates, continues to experience significant population growth as of August 2026.

This solar expansion directly addresses the region’s projected energy demand surge in fast-growing states. By scaling solar capacity alongside grid resilience measures like storage and gas generation, Duke aims to reduce reliance on fossil fuels while stabilizing power during peak winter periods—a critical need for households and businesses in expanding communities. The plan’s focus on the Carolinas, where both states rank among the nation’s fastest-growing, means it could lower energy costs for millions of residents while strengthening infrastructure against seasonal strain.

What to watch: Regulatory approval for the resource plan remains pending. The 30% winter peak demand growth figure applies only to the base planning forecast, and all targets are specific to Duke’s Carolinas territory. If approved, this expansion could significantly advance energy affordability and grid reliability for residents in two of the U.S.’s most dynamic regions.

Source: Utility Dive