Eskom Virtual Wheeling

Ayesha Hardien outlines how Eskom’s Virtual Wheeling process works.

Technical Requirements and Challenges of Municipal Grid Connected Wheeling Generators

Sinawo Sigalelana unpacks the Technical Requirements and Challenges of Municipal Grid Connected Wheeling Generators

Metering Systems for Wheeling

Frans Brandow discusses how the City of Ekurhuleni has adjusted their metering to suit wheeling transactions.

City of Ekurhuleni’s Wheeling Roadmap

Frans Brandow from the City of Ekurhuleni review’s the municipality’s wheeling road map.

Training Presentation: Wheeling Tariffs 101

Shirley Salvoldi provides insight into wheeling tariffs and highlights Eskom’s tariff changes.

Eskom Wheeling Operations & Implementation

Ayesha Hardien from the Eskom Wheeling Office outlines how Eskom currently implements wheeling on their network.

Western Cape Government’s Wheeling Toolkit for Municipalities

Bernhard Teuteberg of Western Cape Government shares the provincial approach to wheeling and unpacks the provincial wheeling toolkit.

Training Presentation: Legal and Regulatory Aspects of Wheeling

Shirley Salvoldi introduces the Legal and Regulatory Aspects of Wheeling.

NERSA Overview – NECOM Wheeling Training 2025

This presentation provides NERSA’s overview of third party wheeling in South Africa.

Cost of Supply Studies & Wheeling – Ricardo

This presentation, developed by Ricardo, discusses the importance of cost of supply studies and their relevance to wheeling use-of-system cost recovery. The presentation also highlights the wheeling-specific improvements made to the Ricardo COS tool.

NERSA Regulatory Rules on Network Charges for Third-Party Wheeling of Energy

Wheeling Billing & Revenue Reconciliation Tool

This Excel tool enables the municipality to perform wheeling billing reconciliations, explore the revenue impact of wheeling and develop wheeling customer invoices.

Wheeling Use-of-System Agreement Template – Generator Agreement

This document serves as a template Wheeling Use-of-System Agreement the can be customized by the municipality. The agreement between the municipality and generator/trader relates to the transmission of wheeled energy across the municipality’s distribution network.

Connection Agreement for the Purpose of Wheeling Template – Generator Agreement

This document serves as a template Wheeling Connection Agreement the can be customized by the municipality. The agreement between the municipality and generator/trader relates to the transmission of wheeled energy across the municipality’s distribution network.

Supplemental Agreement to the Electricity Supply Agreement for the Purpose of Wheeling – Offtaker Agreement

This document serves as a customizable template Supplemental Wheeling Agreement between the municipality and the offtaker.

Template Municipal Wheeling Policy – 2025

This document provides a template Municipal Wheeling Policy that the municipality can customize according to their own municipal needs. The document also includes two appendices, namely the municipal wheeling requirements and application forms.

COGTA Wheeling Framework

The COGTA Wheeling Framework guides South African municipalities in enabling third-party electricity wheeling, where private generators sell power to customers through municipal networks. It provides clear steps on legal, technical, and financial requirements, aligning with NERSA rules and national legislation. The framework ensures fair use-of-system charges and protects municipal revenue

Lesson 11: Power Quality Compliance Assessment

Presentation covering Power Quality Compliance Assessment, including measurement requirements and analysis options.

Lesson 10: Meshed Networks (HV-EHV Systems)

Presentation covering Meshed Networks, with a focus on long feeders and meshed network considerations.

Lesson 8: Power Quality Apportioning

Presentation covering Power Quality Apportioning, including derivation and apportioning equations.

Lesson 4: Introduction to Power Quality Standards

Presentation covering an introduction to Power Quality Standards, including performance standards, management standards, a summary, and an assignment.

Lesson 3B: Introduction to Power Quality

Presentation covering an introduction to Power Quality, including PQ parameters, monitoring methods, statistical aspects, and compatibility.

Lesson 3A: Introduction to Power Quality

Presentation covering the definition of power quality, key parameters, monitoring approaches, statistical aspects, and compatibility considerations.

Lesson 2: Power Quality Apportionment – Spreadsheet

Lesson 2: Power Quality Apportionment – Spreadsheet

Introduction: Power Quality Apportionment

Introduction: Power Quality Apportionment

Power Quality Apportioning: Practical Application

Power Quality Apportioning: Practical Application

Lesson 10: Power Quality Apportioning

Presentation slides on covering measurement requirements, analysis options, and practical examples.

Eskom Power Quality Apportionment

This presentation outlines Eskom’s process for apportionment, explains the origin of the 3 x Zh principle, and reflects on challenges experienced in implementation.

Case Study: Power Quality Apportionment Training

Power Quality Apportionment Training – Case Study presentation.

Municipal Processes Step 9: Authorisation Close-Out

This final step focuses on completing the authorisation process. The customer submits all required documentation, the distributor verifies the information, and a formal close-out is conducted—ensuring all compliance requirements are met and the customer is officially informed.

Municipal Processes Step 8: Grid Code Compliance

This session covers the process for achieving Grid Code compliance, including required simulations and verification steps to ensure generation and distribution systems meet all technical and regulatory standards

Municipal Processes Step 6 & 7: Construction & Commissioning

This session explores the construction and commissioning phases for both generator and distributor systems.

Municipal Processes Step 5: Design

This session covers the critical design phase of municipal energy projects, including generator plant design and distributor network design—ensuring technical feasibility, compliance, and alignment with project requirements.

Municipal Processes Step 4: Contracting/Legal Compliance and Authorisations

This session outlines the purpose and value of contracts in municipal processes—focusing on risk mitigation, conflict prevention, and maintaining compliance. It also explores key agreements, legal requirements, and their links to broader authorisation processes.

Overview of Financial and Billing

This session provides an introduction to the financial and billing aspects of energy projects, including tariff structures, metering and billing processes, and budget and quotation considerations

Distributor Process

Municipal Processes Steps 1, 2 & 3

Regulatory Framework Overview

This presentation unpacks the key elements governing the energy sector, covering relevant Acts and Standards, general rights and obligations, and NERSA licensing/registration requirements. We’ll explore project feasibility considerations, provide an overview of ERA Section 34 determinations, and touch on other essential regulatory provisions.

Overview of LT1MW Process

Presentation: Overview of LT1MW Process

Document Overview: Processing Embedded Generation Greater than 1 MW

This presentation provides an overview of the Guide on Processing Embedded Generation Greater than 1 MW or Larger, developed to assist municipalities in managing applications for embedded generators of 1 MW and above.

Grid Impact Evaluation Form

This document is used to evaluate the grid impact study results and check all necessary supporting documents for compliance are supplied.

Grid Impact Data Requirements

Grid Impact Data Requirements.

Short Circuit Current Analysis

This presentation explains the importance of short-circuit current analysis in ensuring safe and reliable power system operation. It covers analysis methods, contributions from different types of embedded generators, and where to evaluate these contributions to prevent equipment damage, minimise outages, and protect personnel.

Network Studies

“This presentation outlines the network studies required for assessing small-scale embedded generation (SSEG) integration. It covers responsibilities, network modelling, and evaluations such as feeder hosting capacity, load flow, voltage studies, losses, protection coordination, power factor, rapid voltage changes (RVC), short-circuit current, and power quality—ensuring accurate planning through robust simulation models

Load Flow Studies

This presentation covers the purpose and process of load flow studies for embedded generation projects. It explains how these studies assess voltage variation at the point of connection, network loading, and the impact of varying demand and generation across different times and seasons, using real-world example results.

Feeder Losses

This presentation examines technical losses in electrical networks, why loss analysis is essential, and how it is modelled. It explores variable and fixed losses, typical results, and strategies to minimise losses—improving network efficiency, lowering tariffs, and reducing carbon footprint.

Evaluation Criteria of Grid Impact Studies

This presentation details the criteria used to evaluate grid impact studies for embedded generation projects. It outlines assessment standards from both the consumer and producer perspectives, covering required studies, certification processes, and key compliance benchmarks.

Grid Impact Studies: Data Exchange

This presentation explains the processes and responsibilities involved in data exchange for embedded generation projects. It covers the necessary studies, the flow of information between stakeholders, and how to calculate the data required for effective grid integration and compliance.

Grid Impact Study Requirements

This presentation outlines the key studies and compliance requirements for Embedded Generator (EG) grid integration, as guided by the Grid Impact Study Guideline (Version 1.0, October 2022). It covers certification, frequency and voltage assessments, synchronisation, protection, and power quality. All outcomes are evaluated against NRS 048, NRS 097, and relevant

Prosumer and Typical Embedded Generation

This presentation explores the shift from traditional electricity consumers to ‘prosumers’—users who both produce and consume energy. It covers key aspects such as load profiles, common embedded generation (EG) options, prosumer profiles, and behaviour patterns. With relaxed licensing for EGs up to 100 MW and declining PV and battery costs,

Introduction: General Grid Impact Study Training

Presentation: Overview of grid impact studies and responsibilities