Articles: EE Publishers

Government urged to expedite IRP

The minister of mineral affairs and energy, Gwede Mantashe, says the long-awaited integrated resource plan (IRP) for electricity will go before Cabinet this week. Business Unity South Africa’s (BUSA’s) president Sipho Pityana, is urging the government to expedite the gazetting of a least-cost, least-regret option which will power the economy and create and sustain jobs. Pityana […]

Machine learning algorithms in boiler plant root cause analysis 

It is often difficult to determine detrimental boiler conditions because the large number of boiler input and output parameters create a complex problem. Such was the case in this study, where a radiant superheater and internal desuperheater were retrofitted in an existing industrial water-tube boiler at a South African sugar mill. After installation, the steam […]

Wild Fire Fiasco: California utility’s decision to shut off power to avoid wild fires backfires

. Following the devastating wild fires in 2017 and 2018, for which the Pacific Gas & Electric Company (PG&E) was found to be partially at fault, the utility’s finances have taken a dive. Its liabilities from scores of lawsuits exceeds its assets by a wide margin, the standard accounting definition for being bankrupt. Of course, […]

Eskom rejects Nersa’s decisions regarding MYPD4 – heads to court; Nersa responds

According to Eskom, the reasons given by the National Energy Regulator of South Africa (Nersa), regarding allowed electricity tariff increases for the next three years, undermine the power utility’s ability to achieve financial sustainability. The utility says the reasons given do not align with the regulator’s own guidelines and will seek urgent financial relief.  Nersa regulates the tariff Eskom may charge for electricity through […]

International partners launch regional wind association for SADC

A collaborative effort between major players in the wind energy industry are creating a non-profit industry body which will work across sixteen countries to ensure wind power is fully utilised in the journey towards universal access to sustainable energy services in Southern Africa, while boosting jobs, skills and economic development. This collaboration resulted in the […]

Warning: Eskom’s new pricing plan could scupper rooftop PV in South Africa

To address its ever-decreasing revenue income, Eskom is considering a new pricing structure which will have a material impact on the value proposition of solar installations. Eskom generates revenue from two sources: fixed connection charges and electricity tariffs which vary based on usage. As a customer, the fixed connection charge is currently a relatively small […]

Status of nuclear power as world switches to renewables

The energy sector is the largest cause of global greenhouse gas emissions. The pertinence of mitigation strategy options needs to be judged, among others, according to three key criteria: feasibility, cost and speed. The latest World Nuclear Industry Status Report 2019 (WNISR2019) provides a comprehensive overview of nuclear power plant data, including information on age, […]

Visualising data to improve communication and understand business

This article will explore some workflows for answering pertinent business questions using data and best practice visualisation principles, focusing on a last-mile, home-delivery logistics business case. While Tableau software is used, the general principles can apply to any software used. As mapping technologies have advanced and high-powered functionality is incorporated more and more into end-user […]