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Pratt & Whitney, FT4 A-9 Twin Pac, 1971, Gas Turbine Power Plant, 42 MW, 60 Hz

Pratt & Whitney, FT4 A-9 Twin Pac, 1971, Gas Turbine Power Plant, 42 MW, 60 Hz

Description

  1. Overview
    1. Pratt & Whitney FT4 A-9 Twin Pac aero-derivative gas turbine power plant, type TP4-2.
    2. Two FT4 engines in one Twin Pac package.
    3. Year of manufacture 1971.
    4. Total output 42 MW for the Twin Pac.
    5. Frequency 60 Hz.
    6. Fuel: natural gas or liquid fuels, that is jet fuel and light distillates.
    7. Thermal efficiency approximately 34 to 35% in simple cycle.
    8. Still erected and in its installed configuration.
  2. Running Hours and Starts
    1. Total operating hours: 2,108.
    2. Starts: 288.
  3. Engine Condition
    1. Engine 1: shop repair and overhaul in October 2023; 1,067 hours and 150 starts since that overhaul; last operated in October 2025; removed from service after a chip detector alarm, the cause of which is not stated.
    2. Engine 2: 2,108 total hours and 288 starts; last operated in November 2025; in service with no known issues.
  4. Generator
    1. Electric Machinery generator.
    2. Rating 46.5 MVA.
    3. Voltage 13.8 kV.
    4. Power factor 0.90.
    5. Three phase.
    6. Brushless shaft-mounted exciter.
    7. Rated field current 480 A, rated field voltage 250 V.
    8. Last overhauled in December 2003; 4,438 hours and 1,102 starts since that overhaul; no known issues.
  5. Control System
    1. Rockwell ControlLogix programmable logic controller system, upgraded in about 2008.
  6. Scope of Supply
    1. The package includes the generator and the control system, with the supporting infrastructure integrated into the installed plant.
    2. Suitable for continued operation where it stands or for relocation, depending on what the buyer wants.