Little-known tax incentives boost business case for renewable energy

. South Africa’s government, energy regulator and Eskom have often been criticised for obstructing the introduction of distributed, small-scale embedded generation (SSEG) which would help businesses to cut costs and ensure the stability of their power supply during load shedding. But in fact there are significant and far-sighted tax breaks which have been put in […]

Locally made inverters for new solar farms

RWW Engineering, a South African manufacturer of electrical equipment for industry and utilities, has been appointed the South African manufacturer of inverters for Spanish company Green Power Technologies. The inverters will be used at three 75 MW solar PV farms which are being built as part of Round 4 of South Africa’s Renewable Energy Independent […]

Choice of PV backsheet material affects module life

DuPont Photovoltaic and Advanced Materials’ (DuPont’s) 2019 Global Field Reliability Study shows that the choice of backsheet material used on PV modules can result in significant degradation and negatively impact solar module performance. The report lays out failures with PET, polyamide and PVDF backsheets and issues with glass-on-glass modules. The report also highlights trends in […]

Integrating renewable energy sources into smart grids – Part one

There is global momentum to diversify electricity generation sources for economic, environmental and security reasons. Distributed generation (DG) enables more companies to enter the electricity market stimulating competition, encourages the development of renewable energy (RE) and limits the impact of events such as cyber attacks. However, conventional electricity distribution networks are poorly matched to the […]

Safe, robust, repeatable and reliable solar energy 

Using innovative technology, the latest fixed-string voltage innovation in photovoltaic (PV) solar systems introduces a significant advantage over commonly deployed traditional string inverters.  Before we look at the advantages offered, allow me to explain what is meant by a “fixed-string voltage”. By using a maximum power point tracking (MPPT) electronic device at each PV module, […]

Considerations for the next generation of concentrating solar power systems

Unlike PV systems, concentrating solar power (CSP) technology captures and stores the sun’s energy in the form of heat, using materials which are low cost and materially stable for decades. This allows CSP with thermal energy storage (TES) to deliver renewable energy while providing important capacity, reliability and stability attributes to the grid, thereby enabling […]