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WAPG 120 MW Power Plant

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Project Details

NameYearLocationClientTypeDescriptionScope
WAPG 120 MW Power Plant2025-OngoingFreetown, Sierra LeoneSargent & LundyPower PlantCombined Cycle Power Plant based on 2x SGT-750 Gas Turbines and 1x 43.32 MW STG Steam TurbineSite 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.
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Gorou Banda 20 MW Power Plant

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Project Details

NameYearLocationClientTypeDescriptionScope
Gorou Banda 20 MW Power Plant2024Gorou Banda, NigerMatelecPower PlantExtension of an existing 80 MW power plant by adding one generator with auxiliaries to reach 100 MWExecuted the detailed engineering of the extension

Project Background & Objectives

The Gorou Banda 20 MW Power Plant project was initiated as a major utility infrastructure expansion to enhance grid capacity and support rising energy demands in Gorou Banda, Niger. Commissioned by Matelec, this critical development involved the extension of an existing 80 MW power plant by adding one generator with auxiliaries to reach a total capacity of 100 MW. Within this complex brownfield expansion framework, PDP Energy was selected to command the core design phase. The primary company-specific objectives centered on executing the detailed engineering of the extension, ensuring the new generation unit and its supporting auxiliary systems integrated flawlessly into the active utility complex.

Project Challenges

Engineering a 20 MW capacity extension within an operating 80 MW brownfield facility introduces severe technical and operational integration challenges. PDP Energy had to navigate the complexities of interfacing a new high-power generator and its critical auxiliaries with existing fuel, cooling, and electrical distribution networks without disrupting current power generation. This required meticulous civil, mechanical, and electrical synchronization to match the new unit’s dynamics with the pre-existing facility. Additionally, managing tight physical space constraints and updating centralized protection schemes and substation controls demanded advanced network modeling to prevent electrical faults or sudden grid trips during the integration phase.

Project Outcomes

Operating as the primary detailed engineering partner, PDP Energy successfully formulated and delivered the complete mechanical, electrical, and structural detailed engineering packages for the facility’s expansion. The project effectively established a seamless technical framework for increasing utility plant capacity without costly downtime. By providing synchronized and precise engineering layouts, PDP Energy cleared the path for Matelec to successfully commission the new generator, safely elevating the facility’s output to 100 MW and significantly boosting regional grid reliability across Niger.

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Sirakoro 100 MW Power Plant

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Project Details

NameYearLocationClientTypeDescriptionScope
Sirakoro 100 MW Power Plant2020Bamako, MaliMatelecPower PlantHFO power plant based on four-stroke MAN engines replacing a rented 98 MW diesel plantDetailed engineering of all balance of plant outside DG hall (mechanical, electrical, instrumentation)

Project Background & Objectives

The Sirakoro 100 MW Power Plant project was initiated as a massive, utility-scale infrastructure development to secure permanent energy independence and drastically expand grid capacity in Bamako, Mali. Commissioned by Matelec, this landmark energy transition facility focused on establishing a state-of-the-art HFO power plant based on four-stroke MAN engines replacing a rented 98 MW diesel plant. Within this sophisticated utility framework, PDP Energy was selected to lead the extensive engineering balance-of-plant phase. The primary company-specific objectives centered on executing the comprehensive Detailed engineering of all balance of plant outside DG hall (mechanical, electrical, instrumentation), setting up a highly optimized technical foundation for the massive power complex.

Project Challenges

Designing the distributed balance-of-plant infrastructure for a large 100 MW heavy fuel oil (HFO) utility facility introduces extreme mechanical, thermal, and control integration hurdles, especially when transitioning away from modular rental systems. PDP Energy had to navigate massive process constraints across extensive outdoor areas, including optimizing dense HFO handling, storage, and pre-heating networks alongside complex cooling water utility loops. Coordinating the fluid dynamics and pipe stress analysis for large-bore piping networks across multiple facility zones required absolute precision to withstand extreme thermal expansion and dynamic load variations. Furthermore, interfacing these distributed auxiliary systems seamlessly with the core generation hall and a high-capacity utility interface demanded flawless multi-trade coordination to prevent system imbalances, manage tight spatial limits, and engineer complex instrumentation loops to guarantee absolute grid stability.

Project Outcomes

Operating as the primary detailed engineering partner, PDP Energy successfully formulated and delivered the complete multi-disciplinary engineering packages for the comprehensive balance-of-plant systems. The project effectively established an elite technical reference for high-capacity, permanent fuel oil infrastructure in West Africa. By providing highly synchronized mechanical layouts, precise process schematics, and robust utility integration designs, PDP Energy cleared the path for Matelec to securely deploy the 100 MW energy asset, dramatically minimizing regional power deficits, lowering long-term operating costs by replacing rented equipment, and ensuring a stable, high-performance electricity supply for the national grid.

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Ladol 24 MW Dual Fuel Power Plant

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Project Details

NameYearLocationClientTypeDescriptionScope
Ladol 24 MW Dual Fuel Power Plant2023Ladol Island, Lagos, NigeriaLadol free zonePower PlantCentralized power plant based on dual-fuel reciprocating engines burning natural gas and dieselFull detailed engineering covering mechanical, electrical, instrumentation, control, fire detection, and fighting system

Project Background & Objectives

The Ladol 24 MW Dual Fuel Power Plant project was initiated to build a cutting-edge, high-availability captive generation facility to sustain critical economic operations within the Ladol free zone on Ladol Island, Lagos, Nigeria. Commissioned directly by the free zone authorities, this utility-grade infrastructure project focuses on establishing a centralized power plant based on dual-fuel reciprocating engines burning natural gas and diesel. Within this high-demand, autonomous industrial zone framework, PDP Energy was selected to lead the complete technical realization phase. The primary company-specific objectives centered on executing the full detailed engineering covering mechanical, electrical, instrumentation, control, fire detection, and fighting system, setting up a highly resilient, fully integrated multi-engine generation hub.

Project Challenges

Designing a centralized 24 MW dual-fuel facility on an isolated industrial island introduces extreme engineering, thermodynamic, and logistical complexities. Managing reciprocating engines that must seamlessly transition between natural gas and diesel fuel requires highly meticulous process engineering to optimize dual-supply lines, exhaust systems, and high-volume cooling arrays within strict spatial boundaries. On the electrical and automation side, PDP Energy had to resolve intense hurdles regarding synchronized load-sharing across multiple massive engine units and transient stability control under heavy industrial load fluctuations. Furthermore, engineering the integrated safety systems demanded crafting highly complex, redundant instrumentation, control, fire detection, and fighting systems capable of monitoring thousands of real-time process loops to guarantee immediate hazard isolation and prevent catastrophic blackouts across the free zone.

Project Outcomes

Operating as the primary multi-disciplinary engineering partner, PDP Energy successfully formulated and delivered the complete mechanical, electrical, control, and fire protection detailed engineering packages for the power generation facility. The project effectively established an unshakeable, industrial-grade energy foundation tailored for one of West Africa’s premier free trade zones. By providing highly synchronized and robust multi-trade technical blueprints, PDP Energy cleared the path for the secure deployment of the 24 MW dual-fuel plant, ensuring an uninterrupted, highly flexible, and cost-efficient electricity supply to sustain massive logistics, manufacturing, and maritime operations across Ladol Island.

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Malicounda 130 MW HFO Power Plant

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Project Details

NameYearLocationClientTypeDescriptionScope
Malicounda 130 MW HFO Power Plant2018Malicounda, SenegalMatelec engineering & contracting divisionPower PlantSeven Wärtsilä 18V50 engines running on heavy fuel oil (HFO) with Flexicycle™ heat recoveryDetailed engineering of all systems/areas outside DG/SG halls, 220KV substation, and building MEP

Project Background & Objectives

The Malicounda 130 MW HFO Power Plant project was initiated as a massive, utility-scale infrastructure development to drastically expand power generation capacity and stabilize the national electricity grid in Malicounda, Senegal. Commissioned by the Matelec engineering & contracting division, this flagship energy facility was built around seven Wärtsilä 18V50 engines running on heavy fuel oil (HFO) with Flexicycle™ heat recovery technology to maximize thermodynamic efficiency. Within this highly sophisticated industrial development framework, PDP Energy was selected to lead the extensive engineering balance-of-plant phase. The primary company-specific objectives centered on executing the comprehensive detailed engineering of all systems and areas outside the DG/SG halls, the 220KV substation, and building MEP, establishing a robust and highly integrated foundation for the entire utility complex.

Project Challenges

Designing the balance-of-plant infrastructure for a large 130 MW multi-engine facility equipped with complex combined-cycle heat recovery systems introduces extreme mechanical, thermal, and electrical integration hurdles. PDP Energy had to navigate massive process constraints across extensive outdoor areas, including optimizing dense heavy fuel oil handling, storage, and pre-heating networks, alongside complex water treatment and cooling utility loops. Coordinating the fluid dynamics and pipe stress analysis for large-bore piping networks across multiple facility zones required absolute precision to withstand extreme thermal expansion and mechanical loads. Furthermore, interfacing these distributed auxiliary systems seamlessly with the core generation halls and a high-voltage 220KV substation demanded flawless multi-trade coordination to prevent system imbalances or catastrophic operational disruptions.

Project Outcomes

Operating as the primary detailed engineering partner, PDP Energy successfully formulated and delivered the complete multi-disciplinary engineering packages for the comprehensive balance-of-plant systems. The project effectively established an elite technical reference for high-efficiency, combined-cycle power infrastructure in West Africa. By providing highly synchronized mechanical layouts, precise process schematics, and robust utility integration designs, PDP Energy cleared the path for Matelec to securely deploy the 130 MW energy asset, dramatically minimizing regional power deficits, lowering fuel consumption per megawatt-hour through heat recovery, and ensuring a stable, high-performance electricity supply for the national grid.

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Nocibe 16 MW Power Plant

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Project Details

NameYearLocationClientTypeDescriptionScope
Nocibe 16 MW Power Plant2015Adja, Ouèrè, BeninNouvelle Cimenterie du Benin (Nocibe)Power PlantHFO power plant based on four-stroke Hyundai engines for a cement factoryExecuted full detailed engineering covering mechanical, electrical, instrumentation, and control

Project Background & Objectives

The Nocibe 16 MW Power Plant project was initiated to construct a dedicated, heavy-duty captive power generation facility to support large-scale industrial operations in Adja, Ouèrè, Benin. Commissioned by the Nouvelle Cimenterie du Benin (Nocibe), this high-reliability project focused on establishing an independent energy source to run a massive industrial cement production site. Within this critical manufacturing framework, PDP Energy was selected to handle the complete multidisciplinary technical realization phase. The primary company-specific objectives centered on the execution of the full detailed engineering covering mechanical, electrical, instrumentation, and control systems, setting up a robust HFO power plant based on four-stroke Hyundai engines to protect raw material production lines from localized grid instability.

Project Challenges

Designing and integrating a heavy fuel oil (HFO) captive power plant for an active cement factory introduces severe process, mechanical, and power quality hurdles. Cement production requires absolute electrical continuity, as sudden voltage drops or power failures can freeze high-temperature kilns, resulting in catastrophic equipment damage and massive financial losses. PDP Energy had to resolve intense technical challenges, including balancing the structural layout requirements for massive four-stroke Hyundai engine blocks, optimizing complex heavy fuel handling and pre-heating subsystems, and designing robust fault-ride-through capabilities to handle abrupt industrial motor load variations. Furthermore, engineering the unified instrumentation and control (I&C) network demanded crafting complex automation loops capable of monitoring thousands of real-time variables to prevent cascading blackouts across the factory floor.

Project Outcomes

Operating as the primary detailed engineering partner, PDP Energy successfully formulated and delivered the complete mechanical, electrical, instrumentation, and control engineering packages for the heavy industrial power asset. The project effectively established an optimized, highly resilient technical framework tailored for high-demand captive industrial operations in West Africa. By providing synchronized civil-mechanical layouts and advanced automation schematics, PDP Energy cleared the path for the secure deployment of the 16 MW power plant, ensuring the cement factory gains complete energy self-sufficiency, maintains uninterrupted production cycles, and isolates its core machinery from external grid disruptions.

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Kotu 11MW Power Plant

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Project Details

NameYearLocationClientTypeDescriptionScope
Kotu 11MW Power Plant2015Kotu, The GambiaNAWECPower PlantHFO power plant based on two-stroke Doosan engines.Executed the full detailed engineering of the extension, including civil, mechanical, electrical, instrumentation, and control.

Project Background & Objectives

The Kotu 11MW Power Plant project was initiated as a critical utility infrastructure expansion to enhance grid capacity and support rising energy demands in Kotu, The Gambia. Commissioned by the National Water & Electricity Company (NAWEC), this essential project focused on an extension utilizing an HFO power plant based on two-stroke Doosan engines. Within this strategic brownfield utility framework, PDP Energy was selected to command the full design phase. The primary company-specific objectives centered on executing the full detailed engineering of the extension, including civil, mechanical, electrical, instrumentation, and control, ensuring complete system integration into the active facility.

Project Challenges

Engineering an 11MW heavy fuel oil (HFO) extension utilizing massive two-stroke Doosan engines inside an operational brownfield complex presents severe technical and structural hurdles. PDP Energy had to navigate the mechanical and civil complexities of designing robust structural foundations capable of dampening the immense low-frequency vibrations generated by two-stroke machinery. On the electrical and automation side, integrating the new block required meticulous planning to sync fuel handling, cooling loops, and high-voltage connections into NAWEC’s existing grid interface without causing operational downtime. Furthermore, coordinating thousands of real-time automation loops under a unified instrumentation and control (I&C) system demanded extreme precision to eliminate the risk of cascading grid failures.

Project Outcomes

Operating as the multi-disciplinary engineering partner, PDP Energy successfully formulated and delivered the complete civil, mechanical, electrical, and control detailed engineering packages for the extension. The project successfully established a resilient technical blueprint for increasing national generation capacity under tight operational constraints. By delivering highly synchronized and detailed technical blueprints, PDP Energy cleared the path for NAWEC to safely commission the 11MW energy asset, significantly stabilizing the Gambian national electrical grid and delivering a dependable power supply to local communities and commercial sectors.

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