FlexEfficiency* 50 Combined Cycle Power Plant

GE's new FlexEfficiency* 50 Combined Cycle Power Plant is an innovative total plant design that defines a new standard for high efficiency and operational flexibility. The FlexEfficiency 50 uses an integrated approach to reduce fuel costs, create additional revenue sources, improve dispatch capability and reduce carbon emissions compared to prior technologies. With new gas turbine, steam turbine, and generator components—along with digital control capabilities, power island integration, and a turnkey plant design—the new 510 MW block-size plant features an expected baseload efficiency of more than 61 percent.

* Trademark of the General Electric Company.

Features & Benefits

Operational Flexibility

  • 60% efficiency down to 87 percent load

  • Greater than 50 MW/minute while maintaining emissions guarantees

  • 40 percent turndown within emissions guarantees

  • One button push start in under 30 minutes

Total Plant Design

  • High start reliability with simplified digital controls

  • Plant-level flexibility and maintainability

  • Two-year construction schedule

Leading Baseload Efficiency

  • More than 61 percent baseload efficiency

  • Integrated Solar Combined Cycle (ISCC) greater than 70 percent baseload efficiency

Full-Load Validation

  • $170 million gas turbine validation facility — Greenville, South Carolina

  • Full-speed, full-load, dual-fuel capability

  • Variable speed, variable load — not grid connected

Ecomagination Certified (compared to prior technologies)

  • Reduced fuel burn; 6.4Mm3 natural gas per year

  • Smaller carbon footprint; 12,700 metric tons of CO2 per year

  • Reduced NOx emissions; 10 metric tons of NOx per year

Low Life-Cycle Costs

  • Designed for twice the starts and hours capability compared to current GE technologies

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