How Is Duke Energy Using Energy Storage to Build a More Reliable Grid?

Core Insights - Duke Energy (DUK) is focusing on energy storage technologies as a key component of its grid modernization strategy, aiming to optimize fuel savings and reduce emissions by storing power during low-demand periods and deploying it during peak times [1][4]. Energy Storage Strategy - Battery storage is essential for integrating renewable energy by storing excess energy during low-demand periods and supplying it during high-demand times, enhancing grid performance and operational efficiency [2][5]. - Duke Energy also operates pumped-storage hydro plants, which serve as large-scale energy reservoirs, providing substantial flexibility and efficiency in energy storage [3]. Capacity and Growth Plans - Duke Energy currently operates over 300 megawatts (MW) of grid-tied battery storage, with another 300 MW in development. The company plans to exceed 6,000 MW of energy storage capacity by 2035 and anticipates around 30,000 MW by 2050 [4][8]. Earnings Estimates - The Zacks Consensus Estimate indicates a year-over-year increase in earnings per share (EPS) of 7.29% for 2025 and 6.07% for 2026 [7]. Stock Performance - Duke Energy is trading at a premium to the industry, with a forward price-to-earnings ratio of 18.55X compared to the industry average of 15.76X. The company's shares have increased by 3.4% over the past six months, while the industry has seen a growth of 14.2% [10][12].