Saudi Arabia – Qassim 1 & Taiba 1 Combined Cycle Power Plant Projects

1. What are the Qassim 1 and Taiba 1 projects?
Qassim 1 and Taiba 1 are large-scale combined cycle power plant projects in Saudi Arabia, representing key milestones in international energy cooperation and supporting the country’s growing electricity demand.

2. Who is the EPC contractor for these projects?
The EPC contractor is Guangdong Electric Power Design Institute, a subsidiary of China Energy Engineering Group, responsible for engineering, procurement, and construction of the projects.

3. What role do the transformers play in these power plants?
Transformers supplied by DaqoTransformer ensure stable voltage conversion and efficient power transmission, matching generator output and maintaining reliable grid operation.

4. What types of transformers were supplied?
Over 140 units of dry-type transformers were delivered, including models such as:

• SC(B)-150/0.48/0.4
• SC(B)-75/0.48/0.4
• SCB-1600/13.8/0.504
• SCB-2500/13.8/0.504
• SCB-3150/13.8/0.504 (UK = 10% & 14%)

5. What is the significance of this project?
With a total contract value exceeding USD 7.24 million, these transformers support high-efficiency 1,800 MW gas turbine units, contributing to improved power supply reliability and energy structure optimization in Saudi Arabia.

As one of the world’s major energy producers, Saudi Arabia continues to see increasing electricity demand driven by economic development. The Qassim 1 and Taiba 1 combined cycle power plant projects represent a flagship example of deep energy cooperation between China and Saudi Arabia. The EPC contractor for both world-class projects is Guangdong Electric Power Design Institute, part of China Energy Engineering Group.

These plants use 1,800 MW gas turbine generator units, among the most advanced globally in terms of efficiency and environmental protection. DaqoTransformer supplied over 140 units of various models, with a total contract value exceeding USD 7.24 million. These transformers ensure stable and efficient power transmission aligned precisely with generator performance, playing a vital role in supporting power supply capacity and energy structure optimization in Saudi Arabia.

Supplied Models and Quantities:

(Selected examples below)

SC(B)-150/0.48/0.4

SC(B)-75/0.48/0.4

SCB-1600/13.8/0.504

SCB-2500/13.8/0.504

SCB-3150/13.8/0.504 (UK= 10% & 14%)

Total: 140+ units

Supporting Saudi Arabia’s Growing Energy Demand

As one of the world’s leading energy producers, Saudi Arabia continues to experience rising electricity demand driven by rapid economic development and industrial expansion. The Qassim 1 and Taiba 1 combined cycle power plant projects stand as landmark initiatives, showcasing strong international cooperation in the energy sector.

Both projects are executed under EPC contracts by Guangdong Electric Power Design Institute, a subsidiary of China Energy Engineering Group, reflecting advanced engineering expertise and global project capabilities.

Advanced Combined Cycle Power Plant Technology

The Qassim 1 and Taiba 1 plants are equipped with 1,800 MW gas turbine generator units, representing some of the most advanced technologies in modern power generation.

These combined cycle systems offer:

• High energy efficiency
• Reduced emissions and environmental impact
• Optimized fuel utilization

Such features make them critical components in Saudi Arabia’s transition toward a more efficient and sustainable energy structure.

Reliable Transformer Solutions for Power Transmission

To support these large-scale projects, DaqoTransformer supplied over 140 units of various transformer models, with a total contract value exceeding USD 7.24 million.

These include:

• Generator step-up transformers
• Auxiliary transformers
• Power distribution transformers

Each power transformer is engineered to match the performance requirements of high-capacity gas turbine generators, ensuring stable and efficient electricity transmission.

Enhancing Power System Stability and Efficiency

The transformers play a crucial role in:

• Maintaining stable voltage levels
• Ensuring efficient power transmission from generation to the grid
• Supporting continuous and reliable plant operation

By aligning precisely with generator output, these high efficiency transformers help maximize overall plant performance and reduce energy losses.

Driving Energy Optimization in Saudi Arabia

The successful deployment of transformer solutions in the Qassim 1 and Taiba 1 projects contributes significantly to:

• Expanding national power supply capacity
• Improving grid reliability
• Supporting energy structure optimization

These projects highlight the importance of advanced power transmission solutions in meeting growing energy demands while maintaining sustainability goals.