DURMA PP12 EXPANSION CCGT IPP PROJECT

This project, a new CCGT IPP with a total installed capacity of 1,800 MW, serves as a key driver for Saudi Arabia’s Vision 2030 and its goal of achieving carbon neutrality by 2060. At its core lies an advanced three-on-one combined-cycle system, comprising three GE 7HA.03 dual-fuel gas turbines, three heat recovery steam generators, and one 670 MW steam turbine. Capable of blending up to 50% hydrogen by volume and compatible with a 100% hydrogen combustion pathway, the gas turbines elevate the plant’s overall thermal efficiency to 63.9% through cascaded energy utilization, generating approximately ‌14,400,000,000 kWh annually—setting a new benchmark for energy efficiency in the industry. Moreover, they boast an exceptional fast-start capability and a high load ramp rate of 75 MW per minute, reaching full load in simple-cycle mode within just 10 minutes. This effectively offsets the intermittency of renewable energy sources, significantly enhancing grid stability.

In response to Saudi Arabia’s harsh environment—characterized by high temperatures, frequent sandstorms, and severe water scarcity—the project incorporates targeted engineering innovations. An air-cooled condenser system replaces traditional wet cooling processes, saving about 1,500,000 m3 of water annually. The core equipment features IP54-rated sand protection, high-temperature alloys, and thermal barrier coatings, ensuring long-term stable operation under extreme conditions.

In terms of overall planning, the project rigorously adheres to energy conversion logic, which is scientifically divided into ten functional modules—seamlessly integrating process flow and operation management. Aesthetically, a modular layout and a unified color palette imbue the massive industrial facility with a sense of rhythm and power, establishing it as a landmark of modern industry. In addition, the project embodies green principles. Its high-efficiency combined-cycle system significantly reduces carbon emissions compared to traditional fuel-fired ones, decreasing annual CO₂ emissions by approximately 450,000 tons. Furthermore, it employs axial staging combustion technology, strictly controlling nitrogen oxide and carbon monoxide emissions to below 25 ppm and 9 ppm respectively—far superior to conventional standards. It is also designed with interfaces for future carbon capture technology, demonstrating a steadfast commitment to sustainable development.