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Framework for optimising an electricity utility portfolio in a capital constraint environment.
Thesis (MEng)--Stellenbosch University, 2024.
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Stellenbosch : Stellenbosch University
2025
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| _version_ | 1867614002620661760 |
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| access_status_str | Open Access |
| author | Rabie, Leonora |
| author2 | Jooste, J. L. |
| author_browse | Jooste, J. L. Rabie, Leonora |
| author_facet | Jooste, J. L. Rabie, Leonora |
| author_sort | Rabie, Leonora |
| collection | Thesis |
| dc_rights_str_mv | Stellenbosch University |
| description |
Thesis (MEng)--Stellenbosch University, 2024. |
| format | Thesis |
| id | oai:scholar.sun.ac.za:10019.1/131891 |
| institution | Stellenbosch University (South Africa) |
| last_indexed | 2026-06-10T12:45:06.534Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from SUNScholar — Stellenbosch University Repository |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Stellenbosch : Stellenbosch University |
| publisherStr | Stellenbosch : Stellenbosch University |
| record_format | dspace |
| source_str | SUNScholar — Stellenbosch University Repository |
| spelling | oai:scholar.sun.ac.za:10019.1/131891 Framework for optimising an electricity utility portfolio in a capital constraint environment. Rabie, Leonora Jooste, J. L. Stellenbosch University. Faculty of Engineering. Dept. of Industrial Engineering. Electric utilities -- Capital investments Electric power systems -- Management Decision making -- Mathematical models Energy policy -- Economic aspects UCTD Thesis (MEng)--Stellenbosch University, 2024. ENGLISH ABSTRACT: Electricity supply is of utmost importance throughout the world for economic growth. As in South Africa, the electricity utility sector is regulated globally, and operates in a complex and evolving environment. The sector is capital intensive and requires investments to ultimately ensure the security of supply. The aim is for any sustainable business, to align to strategy within available capital funds, and to invest optimally to maximise business value. The problem is that within the electricity utility sector there is no conceptual framework to assist with the management and decision‑making requirements which focus in particular on the decisions to take to optimise available resources and funding across potential projects, delivering the assets. As the electricity utility sector is considered to be asset intensive, asset management is selected as a foundational element to the study. Project finance is selected to investigate the evolving innovative arrangements of funding capitalintensive infrastructure, such as off‑balance sheet investments and private sector participation. Portfolio management is considered due to its primary focus to unlock value of investments in such a way to maximise returns while managing risks, and its techniques to enable optimisation of resources. The research study presents a literature study of these disciplines. A conceptual framework, supported by the process approach to gain a further granular activity level of detail, is identified as a potential solution. A framework assisting in decision‑making to provide a view of an optimal asset intensive portfolio which is aligned to the requirements of the Asset Management ISO 55000 series of standards is the study objective. The contribution of this work is the ability to assist management concerned with achieving strategic objectives and to make decisions regarding investment funds. The conceptual framework guides the planning of strategy, establishing value management in the organisation while applying the discipline of portfolio management. Guidance on decision‑making is based on portfolio optimisation principles, with consideration of strategy monitoring, involving the review of the governance documentation. The study is qualitative in nature and the proposed conceptual framework follows an eight‑phase process developed by Jabareen (2009). Validation of the conceptual framework is based on the face validation process and its objectives. AFRIKAANSE OPSOMMING: Regoor die wêreld is elektrisiteitsvoorsiening krities vir ekonomiese groei. Die wêreldwye elektrisiteitssektor, soos in Suid Afrika, is gereguleerd en funk sioneer in ’n komplekse en dinamiese omgewing. Die sektor is kapitaalinten sief en vereis beleggings om voorsieningssekerheid te verseker. Die doelwit is volhoubaarheid en optimum beleggings, binne beperkte beskikbare kapitaal bronne. Die uitdaging is dat geen konseptuele raamwerk bestaan om rolspe lers in die bestuurs en besluitnemingsfunksies, gefokus op optimisering van beskikbare hulpbronne en befondsing van potensiële projekte, te ondersteun nie. Batebestuur, as ‘n dissipline, word gekies as ’n grondliggende element tot die studie weens die beskouing dat die elektrisiteitsektor as bate intensief be skou word. Projekϐinansiering word gekies om die dinamisese ontwikkelings en innovasies met betrekking tot befondsing van kapitaalintensiewe infrastruk tuur te ondersoek, tipies te vind in buitebalansstaatbeleggings en privaatsek tordeelname reëlings. Portefeuljebestuur word gekies weens die dissipline se primêre fokus om waarde van beleggings te ontsluit, om opbrengste te maksi meer terwyl risiko’s bestuur word, asook die beskikbare tegnieke om optime ring van hulpbronne moontlik te maak. Hierdie drie dissiplines word deur dnavorsingstudie aangebied as ’n literatuurstudie. ’n Konseptuele raamwerk, ondersteun deur die prosesbenadering van ’n verdere vlak van detail, word as ’n potensiële oplossing geı̈dentiϐiseer. Die raamwerk ondersteun potensiele besluitneming en as studiedoelwit, gee oor sig oor ’n optimale bate intensiewe portefeulje, belyn met die vereistes van die Batebestuur ISO 55000 reeks standaarde. Die bydrae van hierdie studie is die vermoë om besigheidsbestuur, betrokke by strategiese doelwitte en besluitne ming van beleggingsfondse, te ondersteun. Die konseptuele raamwerk belyn strategiese beplanning, vestig organisatoriese waardebestuur terwyl die dissi pline van portefeuljebestuur toegepas word. Leiding oor besluitneming is ge baseer op portefeulje optimeringsbeginsels, behels die kritiese belangrike mo nitoring van strategie en die deurlopende hersiening van bestuursdokumenta sie, waar nodig. Die studie is kwalitatief van aard en die voorgestelde konseptuele raam werk volg ’n agtfase proses, ontwikkel deur Jabareen (2009). Validasie van die konseptuele raamwerk is gebaseer op die gesigvalideringsproses. Masters 2025-04-07T12:28:09Z 2025-04-07T12:28:09Z 2024-12 Thesis https://scholar.sun.ac.za/handle/10019.1/131891 Stellenbosch University xv, 200 pages application/pdf Stellenbosch : Stellenbosch University |
| spellingShingle | Electric utilities -- Capital investments Electric power systems -- Management Decision making -- Mathematical models Energy policy -- Economic aspects UCTD Rabie, Leonora Framework for optimising an electricity utility portfolio in a capital constraint environment. |
| title | Framework for optimising an electricity utility portfolio in a capital constraint environment. |
| title_full | Framework for optimising an electricity utility portfolio in a capital constraint environment. |
| title_fullStr | Framework for optimising an electricity utility portfolio in a capital constraint environment. |
| title_full_unstemmed | Framework for optimising an electricity utility portfolio in a capital constraint environment. |
| title_short | Framework for optimising an electricity utility portfolio in a capital constraint environment. |
| title_sort | framework for optimising an electricity utility portfolio in a capital constraint environment |
| topic | Electric utilities -- Capital investments Electric power systems -- Management Decision making -- Mathematical models Energy policy -- Economic aspects UCTD |
| url | https://scholar.sun.ac.za/handle/10019.1/131891 |
| work_keys_str_mv | AT rabieleonora frameworkforoptimisinganelectricityutilityportfolioinacapitalconstraintenvironment |