The Ribatejo Thermoelectric Power Station, located in Castanheira do Ribatejo, began operating between 2004 and 2005.

Main Data of the Work

Location (GPS Coordinates): 39°0'38''N, 8°57'6''W

Installed Power: 1200 MW

Transmission Power: 1168,8 MW

Start of industrial operation

Groups 1 and 2: 2004

Group 3: 2005

Total Installed Power: 1 176 MW

Type: Combined Cycle Gas Turbine

Gas Turbine

Rated Power: 265 MW

Compression Ratio: 1/17

Ring Combustion Chamber

Burner Type: Hybrid reduced NOx emission

Number of Burners: 24

Fuel: Natural Gas

Steam Turbine

Rated Power: 135 MW

Type:

- High pressure body: Simple flow

- Medium and low pressure body: Combined flows

Recovery Boiler

Type: Horizontal Natural Circulation

PressureLevels (Bar): (125/30/3.5) Triple

Alternator

Type: Bipolar

Refrigeration: Hydrogen

Generation Voltage: 22 kV

Speed: 3,000 r.p.m.

Excitation: Static

Transformers

Apparent power: 438

No-load secondary voltage

- Group 1: 220 kV

- Group 2 and Group 3: 400 kV

Cooling Tower

Type: Assisted Drawing

Height: 60 m

Base Diameter: 70 m

Number of fans: 24

Cooling water flow: 5.3 m3/s per group