Project Details
| Name | Year | Location | Client | Type | Description | Scope |
|---|---|---|---|---|---|---|
| WAPG 120 MW Power Plant | 2025-Ongoing | Freetown, Sierra Leone | Sargent & Lundy | Power Plant | Combined Cycle Power Plant based on 2x SGT-750 Gas Turbines and 1x 43.32 MW STG Steam Turbine | Site owner engineer for civil, mechanical, electrical, and instrumentation trades |
Project Background & Objectives
The WAPG 120 MW Power Plant project was initiated as a flagship utility-scale power infrastructure development to critically expand reliable generation capacity and support long-term economic development in Freetown, Sierra Leone. Commissioned by Sargent & Lundy, this landmark high-efficiency facility involves constructing a state-of-the-art Combined Cycle Power Plant based on 2x SGT-750 Gas Turbines and 1x 43.32 MW STG Steam Turbine to supply steady baseload power to the regional transmission grid. Within this highly sophisticated thermal generation framework, PDP Energy was selected to protect the project’s technical and structural integrity. The primary company-specific objectives focus on fulfilling the comprehensive role of Site owner engineer for civil, mechanical, electrical, and instrumentation trades, providing rigorous field quality assurance across all engineering disciplines.
Project Challenges
Overseeing the physical realization of a multi-turbine 120 MW combined-cycle asset in a demanding West African environment introduces extreme logistical, structural, and technical supervisory complexities. Managing a site that integrates high-performance gas turbines with a secondary 43.32 MW steam turbine generator (STG) requires flawless field precision to monitor heat recovery steam generators (HRSGs), complex high-pressure piping networks, and advanced thermal cooling systems. As the Owner’s Engineer, PDP Energy must navigate intense hurdles across all engineering disciplines—ensuring structural foundation safety against subsoil variations, auditing contractor component alignments, and verifying complicated electrical grid-interconnection parameters. Furthermore, supervising thousands of integrated instrumentation and automation loops demands strict technical accuracy to guarantee reliable real-time process control, manage safety trips, and eliminate localized fault risks before testing and commissioning phase.
Project Outcomes
Operating as the active on-site independent engineering authority, PDP Energy is successfully executing its comprehensive multi-trade site supervision and construction auditing services for the massive facility. The project effectively establishes an elite technical benchmark for high-efficiency, combined-cycle utility infrastructure in Sub-Saharan Africa. By delivering synchronized and detailed quality tracking across civil, mechanical, electrical, and control domains, PDP Energy is clearing a secure path toward the successful commissioning of the 120 MW power complex, ensuring maximized fuel efficiency per megawatt-hour, significantly stabilizing regional electricity distribution networks, and delivering an unshakeable stream of stable energy for local communities and industries.