Operations And Maintenance Asset Management Services

World-class operations & maintenance, asset management,
mechanical, electrical and control specialists

Sebenzana APP delivers performance improvements to your energy assets through tech-enabled services that leverage data and deep domain expertise – helping you lead the energy transition.

Through our world-class mechanical, electrical, operations & maintenance and asset management specialists, including a full in-house design team, we work with owners to maximise the lifetime value of their assets. We serve a wide range of industries including power, manufacturing, petrochemicals, oil and gas.

O&M Management Services Solution

  • Sebenzana APP offers bespoke O&M Management Services to manage asset stakeholders and deliver maximum asset performance
  • Sebenzana APP boasts competent and experienced Operations, Maintenance and Engineering professionals – ready to deploy on site to assist asset turnarounds and improvements 
  • Sebenzana APP uses the Smart Asset Management Platform (SAMP) as a core part of its Operations and Maintenance Solutions to enhance decision-making on sites

Portfolio of Recent Projects

Coal-fired IPP O&M Management Services
The asset
  • Multi-unit coal-fired power station
  • In distress in early 2010s
  • Poor plant availability
What changed?
  • Increased demands from electricity offtaker required higher availability. 
  • Resulted in restructuring of the shareholding and management.
The solution
  • Sebenzana APP contracted from 2013 to assist in power plant decision-making and problem solving.
  • Experienced Sebenzana engineers seconded to manage plant areas and performance.
  • A significant increase in availability and performance was, and continues to be achieved.
Boiler Fleet Asset Managed Services
The asset
  • Fleet of 1960s coal-fired boilers

  • Significant capital spends necessary for asset renewal and compliance

  • Significant failures & unplanned maintenance 

What changed?
  • Lack of owner technical capacity for asset performance turnaround with spend

The solution
  • Sebenzana APP provided asset management services, including input to planned outages operations, reducing component failures

  • A significant reduction in tube leaks was achieved through a focussed program supported by the SAMP Platform

  • Current rate of tube leak failures is down to one per boiler per year, a world-class benchmark for excellent performance

Steam Pipework Integrity Managed Services
The asset
  • 1950’s era elaborate high pressure and high temperature (430°C) steam piping header network

What changed?
  • Unexpected failures made it evident that the piping network had not been adequately maintained in recent years

The solution
  • Sebenzana APP delivered a managed service to maintain the availability of the piping system for its many offtakers

  • 182 near-failure components were detected and managed proactively to maintain availability

  • Sebenzana APP’s services included Asset Management, project management, outage execution, safety analysis, and ongoing reporting

Sources of Integrated Data Sets for Better Asset Decisions

Recent Sebenzana APP Managed Services Projects

  • Eskom Coal Fired Power Station Performance Assessments and Turnarounds

  • Kriel Power Station – 2021 – ongoing
  • Matla Power Station – 2021 – ongoing
  • Eskom Kendal Power Station Performance Review – 2021 – ongoing
  • SASOL Coal Fired Boiler and Mills Fleet – 2018 – ongoing
  • Kelvin Power Turbogen and Critical Asset Fleet – 2014 – ongoing
  • AngloAmerican Critical Converter Asset – 2020 – ongoing
  • cToshiba Generator Fleet – 2017 – ongoing
  • Illovo Generator and Critical Asset Fleet – 2020 – ongoing

Operations & Maintenance and Asset Management Services Team

Andrew Carr (Co-Founder and Managing Director) is a qualified metallurgist and holds a master’s degree in thermal power from Cranfield University (UK). He started his career in the aerospace industry before serving South Africa’s Power Utility Eskom for several years. He is deeply invested in energy infrastructure and the teams that manage these assets. Andrew has led Sebenzana APP since 2007 and is passionate about the teams it’s brought together and the clients it’s served. He is devoted to the cause of teams improving asset performance through better asset decisions by bringing expert knowledge and emerging data analytic’s solutions to bear on them. Andrew is a long-standing member of the South African Independent Power Producers Association (SAIPPA) Management Committee and the Southern African Asset Management Association (SAAMA) and has led and been involved in several of their respective work groups over the years.

Hans Rautenbach has held many leadership positions in service organisations in the oil and gas, petrochemical and power sectors. Hans is a skilled and experienced mechanical engineer with broad management experience. At Sebenzana, Hans leads teams of service managers and engineers that combine to deliver Sebenzana APP’s Managed Services offerings. Hans has been a driving force of developing the managed service around the use of the Smart Asset Management Platform (the SAMP Platform). Hans has 15 years experience in supporting critical assets through risk tools, including Risk-based Inspection (RBI) projects, and is API 580 certified. He is also familiar with ISO 9001, 18001 and 55001 specifications and how to use and integrate them to beneficially support critical asset fleets.

Tom Canning has 30 years experience working for the Electricity Supply Board of Ireland (ESB) and its international unit ESBI. He has held numerous specialist and management positions within ESBI, and published many papers on thermal performance, power station controls and control strategies, and emission reduction technologies. Tom has been part of the Sebenzana APP team since 2010 and adds much value in testing and improving the performance and availability of thermal power plants. His power plant applied thermodynamics background, fuel chemistry experience and practical knowledge of power projects ensure that risk and reward is optimally balanced in projects.

David Tarrant is a specialist electrical engineer whose 30 plus years experience make him a sought-after independent expert when it comes to specifying, constructing, installing, commissioning, operating and maintaining utility generators and associated plant. Dave has contributed to countless mid-life assessments and life extensions of utility generators around the world, and is a respected member of industry bodies such as EPRI and CIGRE. His regard for legacy is expressed in his dedication to developing the next generation of power plant experts. David has been a key influencer in shaping features of the Smart Asset Management Platform (SAMP) to ensure that it supports Sebenzana APP’s Managed Services offerings so that engineers in the field can recommend and implement good and solid asset decisions. David also views the SAMP as an ideal framework for conveying knowledge and understanding to young, developing engineers.

Reshen Kowlasser is a Professional Mechanical Engineer with vast experience within the power generation and utilities sectors. Reshen started off his career at South Africa’s electricity utility Eskom, where he held various technical and leadership roles covering project development, construction, commissioning, maintenance and operations. He later joined a multinational packaging and paper group where he served as a senior leader as the Power Island Manager. More recently he has brought that asset owner and operations and maintenance experience to bear on Sebenzana APP’s Operations and Maintenance Management Services offering. Reshen’s expertise encompasses a strategic focus for business longevity, focusing on plant and equipment performance, maintenance, reliability, cost optimisation and assessing and implementing strategic improvement initiatives.

Alistair Moodie is a Professional Mechanical Engineer with deep experience in supporting the operations and maintenance (O&M) cycle of rotating equipment including turbines and generators. Alistair graduated from the University of the Witwatersrand in South Africa and started his career as an O&M engineer at Eskom’s Lethabo Power Station. His first role at Sebenzana APP was to provide management services the turbo-generator fleet of South Africa’s largest coal-fired independent power producer. Alistair was instrumental in the development of the Smart Asset Management Platform and associated Managed Services approach to serve asset owners. As an expert O&M engineer, he has an in-depth appreciation of the impact that operating and maintenance actions have on asset’s overall business performance, and derives deep satisfaction from helping owner teams to make better asset decisions.

Our Clients

  • Eskom




  • Illovo Sugar

  • Siemens

  • ACWA

  • AngloAmerican

  • Kelvin Power

  • Aldwych International

  • AECI

  • Toshiba International

  • Vantage Capital

  • Industrial Development Corporation


Download Brochure

Click Here
Find out how Sebenzana can improve your asset performance:
Contact Us
Privacy Settings
We use cookies to enhance your experience while using our website. If you are using our Services via a browser you can restrict, block or remove cookies through your web browser settings. We also use content and scripts from third parties that may use tracking technologies. You can selectively provide your consent below to allow such third party embeds. For complete information about the cookies we use, data we collect and how we process them, please check our Privacy Policy
Consent to display content from - Youtube
Consent to display content from - Vimeo
Google Maps
Consent to display content from - Google