Dry Flue Gas Desulfurization System Market size was valued at USD 2.8 billion in 2025 and is poised to exceed USD 4.4 billion by the end of 2035, registering over 4.6% CAGR during the forecast period, i.e., 2026-2035. The North America industry is expected to hold the largest share of 42.3% by the end of 2035, owing to the region’s environmental regulations enforced by the U.S. EPA and Environment and Climate Change Canada.