Littlebrook comprised three 660MW turbo-generator sets manufactured by GEC. The turbines are four cylinder reheat machines running at 3,000 rev/min. Each turbine has a single-flow high pressure (HP) cylinder, a double-flow intermediate pressure (IP) cylinder and two double-flow low pressure (LP) cylinders. Unit 3 had been dismantled quite some time before the closure of the station.
The turbine output was increased to 685 MW during commissioning with practically no additional engineering works required which is testament to the robust design standards rigorously upheld by the CEGB.
Littlebrook B Generating Units
List of power generating units at Littlebrook D Power Station:
| Unit Name | Capacity | Date Commissioned | Date Decommissioned | Turbine/Generator Manufacturer | Boiler Manufacturer | Notes |
|---|---|---|---|---|---|---|
| Unit 1 | 685 MW | 1981 | 2015 | GEC | NEI Nuclear | |
| Unit 2 | 685 MW | 1981 | 2015 | GEC | NEI Nuclear | |
| Unit 3 | 685 MW | 1981 | ? | GEC | NEI Nuclear | Unit mothballed long before closure |
| GT1 (OCGT) | 35 MW | GEC | Rolls Royce Olympus | Gas Turbine | ||
| GT2 (OCGT) | 35 MW | GEC | Rolls Royce Olympus | Gas Turbine | ||
| GT3 (OCGT) | 35 MW | GEC | Rolls Royce Olympus | Gas Turbine |
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