Subcritical and supercritical combustion type coal power plants are the most common coal plants installed worldwide. Subcritical combustion is the oldest-known technology type whereby coal is burned below 550 degrees Celsius. Its efficiency rate is comparatively low, ranging from 33 percent to 37 percent. Most subcritical combustion type plants have been operational for 10 to 19 years. Ultra-super type plants, at 298.23 gigawatts installed capacity, were the most commonly deployed plants in the last ten years. Supercritical closely followed, with a fuel efficiency of up to 46 percent.
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Global Energy Monitor. (June 27, 2025). Most installed combustion technology of operational coal power plants worldwide as of July 2025, by plant age (in gigawatts installed capacity) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/859116/global-coal-plants-combustion-types-by-age/
Global Energy Monitor. "Most installed combustion technology of operational coal power plants worldwide as of July 2025, by plant age (in gigawatts installed capacity)." Chart. June 27, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/859116/global-coal-plants-combustion-types-by-age/
Global Energy Monitor. (2025). Most installed combustion technology of operational coal power plants worldwide as of July 2025, by plant age (in gigawatts installed capacity). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/859116/global-coal-plants-combustion-types-by-age/
Global Energy Monitor. "Most Installed Combustion Technology of Operational Coal Power Plants Worldwide as of July 2025, by Plant Age (in Gigawatts Installed Capacity)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 27 Jun 2025, /statistics/859116/global-coal-plants-combustion-types-by-age/
Global Energy Monitor, Most installed combustion technology of operational coal power plants worldwide as of July 2025, by plant age (in gigawatts installed capacity) ÌÇÐÄÆƽâ°æ, /statistics/859116/global-coal-plants-combustion-types-by-age/ (last visited July 23, 2026)
Most installed combustion technology of operational coal power plants worldwide as of July 2025, by plant age (in gigawatts installed capacity) [Graph], Global Energy Monitor, June 27, 2025. [Online]. Available: /statistics/859116/global-coal-plants-combustion-types-by-age/
