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Campus Microgrids after Load Shedding, Design Options for a University

Decentralised campus microgrids represent an integrated technological architecture for mitigating persistent utility power interruptions and transitioning institutional infrastructure towards renewable autonomy. Hybrid systems combining solar photovoltaic arrays, battery storage, and intelligent dispatch mechanisms provide continuous power security while reducing operational expenditures and carbon intensity. Optimising these technical configurations requires balancing capital investment against long-term reliability and emission-reduction targets within higher education environments.

Object & subject

Optimal techno-economic design configurations and dispatch strategies for university microgrids.

Scientific novelty

Comparative assessment of hybrid microgrid sizing configurations tailored to university load profiles under chronic national load shedding conditions.

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Mini-Dissertation (NQF 9)

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Campus Microgrids after Load Shedding, Design Options for a University

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First M. Last

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Dr. First Last

City, 2026

Contents

Declaration
Abstract
Chapter 1: Theoretical Framework of Campus Microgrid Architectures
1.1 Institutional Energy Vulnerability and Load Shedding Dynamics
1.2 Microgrid Topologies and Hybrid Renewable Generation
1.3 Energy Management Systems and Critical Load Prioritisation
Methodology
2.1 Campus Electrical Load Profiling and Demand Characterisation
2.2 System Sizing, Simulation, and Optimization Modeling
2.3 Lifecycle Costing and Environmental Performance Metrics
Analysis
3.1 Performance Evaluation of Photovoltaic-Battery Hybrid Systems
3.2 Levelised Cost of Electricity and Capital Amortisation
3.3 Emission Abatement and Reliability Trade-offs
Chapter 4: Practical Integration and Operational Strategy
4.1 Electrical Infrastructure Retrofitting and Grid Synchronization
4.2 Phased Deployment, Institutional Policy, and Maintenance Protocols
Introduction
Conclusion
Bibliography

Introduction

Recurrent electrical grid instability and severe load shedding across South Africa have disrupted the foundational operations of tertiary education institutions [2][5]. Unplanned and scheduled outages undermine pedagogical continuity, interrupt laboratory research, and impair digital learning platforms [5]. In response, university campuses require decentralised energy architectures capable of ensuring power security while aligning with national decarbonisation and sustainability mandates [1].

Traditional institutional responses relying primarily on diesel backup generators entail escalating operational expenditures, volatile fuel logistics, and significant greenhouse gas emissions [1]. Microgrid systems integrating solar photovoltaic arrays, electrochemical storage, and smart dispatch controllers provide a viable pathway toward institutional self-sufficiency during grid curtailments [1][2]. However, selecting appropriate system capacities and operational configurations requires rigorous techno-economic balancing under institutional budget constraints.

This research examines optimal campus microgrid design configurations tailored to university environments experiencing chronic utility disruptions [1][5]. Employing comparative techno-economic modeling frameworks, the investigation evaluates the capital expenditure, levelised cost of electricity, reliability thresholds, and emission abatement potentials across hybrid generation options [1]. The findings delineate scalable deployment options for higher education facilities striving for operational resilience.

The resulting insights provide institutional facility managers and university administrators with evidence-based criteria for selecting resilient power architectures [1]. By bridging engineering design parameters with institutional economic realities, this study establishes actionable pathways for transitioning university campuses from vulnerable grid dependents to sustainable, self-sustaining energy nodes [1][5].

3.1 Performance Evaluation of Photovoltaic-Battery Hybrid Systems

The structural vulnerability of South African tertiary institutions to recurrent grid instability underscores the necessity of decentralized microgrid architectures. Persistent utility interruptions, commonly manifested as rotational load shedding, severely compromise institutional operations, research continuity, and academic learning environments (The effects of load shedding on MBA students’ learning at the Durban University of Technology in South Africa, 2026). Similar disruptions documented across broader operational sectors highlight how unmitigated power outages escalate economic losses and degrade institutional functionality (Power Outage Perils: Assessing the Impact of load-Shedding on SMEs in Enoch Mgijima Local Municipality, South Africa., 2024). Consequently, evaluating hybrid microgrid configurations reveals that deploying grid-connected renewable systems provides a dual mechanism of resilience and sustainability for higher education campuses. Applying techno-economic evaluation models to university energy profiles demonstrates that hybrid configurations integrating solar photovoltaic generation with energy storage systems effectively buffer critical academic infrastructure against utility outages. As established in campus-scale technical evaluations, grid-connected hybrid power architectures significantly improve institutional self-sufficiency while mitigating exposure to volatile utility tariffs and diesel generator fuel expenditure (Economic and environmental analysis of a grid-connected hybrid power system for a University Campus, 2023). Intelligent dispatch mechanisms allow the campus network to seamlessly island during grid failure events, maintaining priority loads across laboratories, data centres, and teaching facilities. Furthermore, the combined deployment of renewable generation and storage lowers the levelised cost of electricity over the asset lifecycle, achieving substantial carbon emission abatements compared to conventional grid-reliant baselines. Thus, campus microgrids transition higher education facilities from vulnerable passive consumers into resilient, sustainable energy prosumers.

References

  1. Economic and environmental analysis of a grid-connected hybrid power system for a University Campus
    Kayode Timothy Akindeji, Daniel Raphael Ejike Ewim
    DOI Link
  2. Power Outage Perils: Assessing the Impact of load-Shedding on SMEs in Enoch Mgijima Local Municipality, South Africa.
    Konwaba Klishi
    DOI Link
  3. Students’ perceptions on the effectiveness of product placements: A case study of a private higher education institution in Durban
    A. Koopman, S. Perumal, K. Perumal et al.
    DOI Link
  4. Towards a sustainable anti-xenophobic rural-based university campus in South Africa
    O.S. Obadire
  5. The effects of load shedding on MBA students’ learning at the Durban University of Technology in South Africa
    Sicelo Lungelo Biyela
  6. University-affiliated schools as sites for research learning in pre-service teacher education
    Elizabeth Henning, Gadija Petker, Nadine Petersen
  7. Swings and roundabouts: Centralisation and devolution in a multi-campus university in South Africa
    David Maughan Brown
  8. Attitudes of academicians towards Gender Equality at Institutions of higher learning in South Africa
    NL Maqubela, TP Mulaudzi, A. Muleya et al.

Bibliography

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