ENERGY  

Due to our industry leading engineering and design capabilities in power generation, transmission and distribution, we routinely provide clients with conventional and renewable energy solutions. Our 30 years’ experience has strengthened our knowledge of power systems and today, we are well positioned to develop and deliver power generation plants for clients.

Our passion for developing innovative solutions allows us to assess and determine the most viable energy sources in collaboration with, or on behalf of, our clients. Solutions vary in size and type, from hydropower in the DRC to diesel generation in Ghana, but regardless of scope, clients routinely call on us for practical advice across a wide range of industries. Through our long-standing relationships with independent power producers (IPPs) and financial organizations we offer our clients a comprehensive and integrated solution.

Our customized, end-to-end services include:

  • Power system load flow and power plant sizing
  • Power plant EPC/EPCM
  • Substation EPC
  • OHL EPC/EPCM
  • Power system interfacing to clients’ works or utility
  • Utility liaison

 

CONVENTIONAL ENERGY

We offer clients solutions that break the barriers of convention, while we are well-equipped to deliver conventional energy solutions including diesel, heavy fuel oil (HFO), and liquefied natural gas (LNG), we choose to add value through our innovative delivery methods.

In understanding new and improved methods of delivering power we are able to meet client needs through practical business solutions that offer high return on investment. We encourage the shift towards more sustainable forms of energy to act as a vehicle for positive environmental change on behalf of our clients.

HYDRO

Our capabilities are underpinned by our deep sector knowledge and specialist teams. We draw on our vast experience to deliver complete hydropower plant solutions ranging from less than 1 MW to over 30 MW.  Our capabilities have been earned through flawless execution of projects in North America, Africa, Asia and Australia, delivered on time and within budget and in the most complex, remote and challenging environments.

Through our integrated smart partnership networks we provide clients with full project lifecycle solutions including:

  • Early project planning and feasibility studies
  • River basin studies and sustainable water resource planning
  • Hydrological, topographical and geotechnical investigations
  • Hydraulic studies and modeling
  • Dam, reservoir and water conveyance engineering
  • Reservoir optimization and design
  • Generation output modeling
  • Power plant design and refurbishment
  • Transmission lines, substations and system analysis
  • Controls and automation
  • Floodplain and inundation mapping
  • Dam safety evaluations
  • Asset valuations and management
  • Operation and maintenance

 

SOLAR PV

We have the capability and proven record to deliver both solar thermal and solar electric power solutions, those that improve productivity and enhance client value. Our projects provide energy savings and reduce OPEX and our integrated approach maximize ROI for clients by increasing efficiencies and lifespan of existing power systems. Our team of professionals are familiar with the various available storage solutions and closely follow global techno-commercial developments.

Using our project management and engineering experience, we develop fully integrated solar power solutions from planning, feasibility, design, and construction management phases. Through our operating divisions we provide services to operate and maintain these facilities for our clients.

Our deep rooted partnership networks facilitate the delivery of full project lifecycle solutions including:

  • Early project planning and feasibility studies
  • Modeling of PV plant yields
  • Integration of solar power into existing power systems
  • Geotechnical engineering
  • Balance-of-plant design
  • Detailed engineering
  • Civil and electrical engineering design
  • SCADA and plant control
  • Project and construction management
  • Commissioning
  • Ongoing operation and maintenance

 

WIND

We have grown an extensive and integrated network which enables us to assist developers, and their clients, by evaluating wind energy opportunities, navigating regulatory environments and implementing wind energy strategies that meet their needs.

Our full project management and engineering complement deliver wind power projects and provide clients full project lifecycle solutions including:

  • Early project planning and feasibility studies
  • Site research
  • Geotechnical engineering
  • Preliminary engineering
  • Civil, mechanical and electrical engineering design
  • Environmental resource studies and impact assessments
  • Permitting services
  • Turbine evaluation and selection
  • Interconnection services

 

BIOENERGY

Through our subsidiary, PGBI, DRA has over 30 years’ experience in agricultural bio-energy solutions.  Throughout the years we have gained expert knowledge in anaerobic digestion of downstream agricultural waste streams to produce biogas for power generation and heating solutions. Our team of acclaimed technologists provide clients with a holistic approach to bio-energy, waste and environmental requirements to develop solutions that optimize client’s social, environmental and financial return on investment.

Our expertise includes:

  • Sugar cane bagasse & trash
  • Woody biomass & waste streams from sugar
  • Bio-ethanol
  • Timber processing
  • Biomass power project evaluation

 

TRANSMISSION & DISTRIBUTION

Our clients call on us to provide a full range of transmission and distribution services for the whole life cycle of a project. We have the knowledge to deliver against the full spectrum of a project; we develop solutions to meet basic and complex configurations, from inception through to the close-out stage. We provide clients with the following key services:

  • Power system load flow
  • Power plant sizing
  • Substations < 400kV
  • Overhead lines
  • Low voltage and high voltage network designs

FEATURED PROJECTS

power generation plants

Mimosa Mine 132kV power supply

Client: Impala Platinum Mine
Location: Zimbabwe

We managed the design, construction and commissioning of 18km 132kV overhead line including "Feed-in/Feed-out" and 132/11kV substations to feed Mimosa Platinum Mine Phase 2 expansion in Zimbabwe.

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Ngezi Platinum Mine 132kV Power Supply

Client: Implats
Location: Zimbabwe

Our team of professionals managed the design, construction and commissioning of 75km 132kV monopole overhead line including 132/11kV substation to supply power to the new Ngezi Platinum Mine in Zimbabwe. Initially the line was to be operated at 88kV pending the construction of a new 330/132kV Selous Substation. Once Selous substation was commissioned the supply to Ngezi Mine was to be upgraded to 132kV.

power generation plants

Kibali Gold Mine Hydropower Scheme

Client: Randgold Resources
Location: DRC

In northeast DRC, we expertly managed the design, construction and commissioning of 22MW Nzorro 2 and 10MW Amboro Hydro Power Stations for Kibali Gold Mine. The two hydro stations feed the Mine via two 66kV overhead lines some 32km and 10km in length respectively. The two stations supplement 36 x 1.5kVA diesel generators to supply the Mine load

Browns Range Rare Earth Mine Hybrid Power Supply

Client: Northern Minerals

Location: Western Australia

A Definitive Feasibility Study (DFS) was commissioned in 2014 for a greenfields rare earths mine at Browns Range in North Western Australia. Due to a lack of available grid power, our professionals were requested to include mine power supply within the study. The power study incorporated a 12MW hybrid power solution using diesel generators and solar PV without battery back-up.

Uhuru Energy 60MW Biogas Plant

Client: Uhuru Projects

Location: Ghana

To define the costs to build and operate a 60MW biogas power plant in Ghana, a definitive Feasibility Study (DFS) was conducted. The study was completed and capital requirements are required prior to implementation.

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