Our Services

Sustainable Energy Solutions SA (SESSA)

Engineering-Procurement-Construction (EPC) 

We provide Engineering-Procurement-Construction (EPC) and Operation & Maintenance Services.

Energy Audits

Energy audit services are a key part of our integrated energy efficiency services and the first step towards your comprehensive energy management strategy. Our audit provides you with a clear understanding of energy consumption in your buildings and facilities.
We use a combination of tools in order to gather data on your location in order to ascertain your current and historical energy consumption patterns and will advise on identifying cost saving opportunities to optimise and reduce your power consumption without negatively affecting the outputs.

Site Assessments

The site layout and construction can have a large impact on the performance of any system. SESSA analyses all the physical aspects of the site from what the ideal location of the PV panels would be up to the perfect locations for batteries and other sensitive equipment to ensure optimal performance as well as longevity. The site inspection is also critical in identifying the most cost effective solution. The input from the site inspection is used in the design phase that follows.

System Design

Our team of experts working together with our extended Partner Network and qualified engineers select the correct components from our extensive product range, quality international brands with exceptional performance and matching warranties, to populate your system. Various configurations are taken into account to ensure that we arrive at a system that will guarantee performance.

System Installation

Any system can utilise the best possible equipment and be design to achieve the greatest efficiency however all of this can potentially be for nothing if the system is not correctly and effectively installed. SESSA has an in-house team of electricians and skilled laborers that perform the installation of your system under the expert eye of an experienced project engineer. Click here to view a selection of recent installations.

System Commissioning

SESSA take great care and pride to ensure each and every step in delivering an efficient and effective system from the energy audit through to the commissioning is done correctly and professionally. The commissioning of a system is done in order to ensure the system is performing as per the agreed upon requirements and to validate the system design. In so doing you are secure in the knowledge that your system has been designed and installed by a qualified, reputable company and your commissioning certificate is more than simply a piece of paper – it is peace of mind and ensures guarantees.

Certificate of Compliance (CoC)

Electrical Inspections and Certificate of Compliance (CoC) for new or existing Low Voltage Solar Systems completed by Qualified Electricians.

PV Solar System Monitoring

SESSA uses a simple and effective PV and Electrical System Monitoring solutions with  user-friendly reporting to suit all your needs, providing you data that depicts vital statistic such as savings, environmental benefits, faults etc.

Electricity Monitoring and Reporting

Using a simple monitoring solution we are able to monitor your real-time and historical electricity usage in order to identify patterns and problem areas in order to identify opportunities to reduce costs. Measuring and Verification is the first steps in reducing your electricity consumption.

PV Solar System and Site Maintenance

SESSA offers PV Solar System and Site Maintenance services to our customers.

Inverter Repairs

We Service, Test and Repair most makes of Inverters as well as certain Solar Charge Controllers. Do not throw your inverter away, we may be able to repair it at a reasonable price.

We provide repairs to most inverters as well as guarantee the workmanship.
Brands: Powerstar, Devel, Skyking, Voltronics, Axpert, Must, Mecer, RCT, Microtek, EPS, Santak, Powerjack, Meanwell, TBE, Microcare, and more.


Please note that there is an assement fee which goes towards the cost of the repairs.