Power Plant Pressure Reduction Station (PRS)

Posted on May 14, 2026

A new peak-load gas-fired power station is being developed on a brownfield site for a major UK energy operator. The facility is designed to support grid stability during periods of high demand by generating electricity from natural gas.

FT Gas Control was contracted to deliver a fully engineered, turnkey project to provide safe and controlled gas to a downstream power generating plant.

Scope of Supply

The PRS was designed to reduce incoming high-pressure natural gas from the Local Transmission System (LTS) to the required operating pressure of the downstream gas engines. The new PRS was designed to comply with the Pressure Equipment Directive (PED) as well as both network and gas industry design codes.

The PRS package included:

• Dual-line filtration to protect downstream equipment from particulates and debris.
• Turbine flow metering with correction factors being calculated via a flow computer to ensure accurate measurement for custody/operational monitoring.
• Gas pre-heating system to mitigate the impact of the Joule-Thomson cooling effects during pressure letdown.
• Pilot-controlled Gascat pressure regulators providing precise control across variable load conditions.
• Inlet and outlet remote operating valves that can be controlled both locally and remotely.
• Integrated electrical and instrumentation control room to monitor instrumentation and control valves both locally and remotely.

Engineering and Delivery

The system design was developed in collaboration with our supply partner Zennergy International, who provided detailed 3D Computer Aided Drawings (CAD) and design calculations which were used to manufacture the installation to PED and alternately gain an individual Conformité Européenne (CE) registration. Our services also covered full project management support working with other contractors ensuring seamless integration of the new PRS into the wider power station gas infrastructure.

The new PRS was delivered to site and landed onto a concrete pad via a crane where it was promptly installed and tested. FT Gas Control then proceeded to complete site acceptance testing (SAT) followed by commissioning the PRS to natural gas. It took 6 months from design to commissioning to deliver this project.

Project Background

This project was awarded following successful previous delivery of similar infrastructure for the same client. Our established performance and familiarity with their technical standards enabled the delivery of a bespoke turnkey solution tailored to site-specific operating requirements.