Distributed Generation Hosting Capacity in Power Distribution Systems
Summary
Distributed generation (DG) hosting capacity in power distribution systems has become an essential metric for accommodating the rapid expansion of renewable energy sources at the distribution level. Hosting capacity (HC) quantifies the maximum DG a network can absorb without breaching voltage limits, thermal thresholds, protection settings or power-quality standards. System operators employ HC assessments to inform network planning, guide policy frameworks and facilitate transparent market signals for investors. Assessment techniques range from deterministic loading studies to probabilistic and optimisation-based approaches that account for uncertainties in generation and demand profiles. Practical enhancement measures include network reinforcement, reconfiguration, deployment of smart inverters with advanced voltage and reactive-power control, integration of energy storage and coordinated control of electric vehicle charging. By balancing technical constraints with economic considerations, HC analysis underpins the resilient integration of photovoltaic arrays, wind turbines and other decentralised resources. International case studies illustrate how HC methodologies aid operators in diverse climates and grid topologies, supporting decarbonisation goals while maintaining reliability and power quality in evolving distribution networks.
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Distributed Generation Hosting Capacity in Power Distribution Systems publication trend
The graph below shows the total number of articles in distributed generation hosting capacity in power distribution systems across all publications each year (not limited to Nature Index journals).
Technical terms
Distributed generation (DG): Decentralised electricity production at or near the point of consumption, often from renewable sources.
Hosting capacity (HC): The maximum amount of DG that a distribution network can accommodate without breaching operational limits.
Smart inverter: Power-electronic device that provides advanced functions for voltage regulation and reactive-power support in distribution networks.
Stochastic method: Analytical approach that incorporates randomness and uncertainty into system modelling and capacity assessments.
References
- State-of-the-art of hosting capacity in modern power systems with distributed generation. Renewable Energy (2019).
- A Review of the Tools and Methods for Distribution Networks’ Hosting Capacity Calculation. Energies (2020).
- Solar PV stochastic hosting capacity in distribution networks considering aleatory and epistemic uncertainties. International Journal of Electrical Power & Energy Systems (2021).
- Increasing distributed generation hosting capacity in distribution systems via optimal coordination of electric vehicle aggregators. IET Generation Transmission & Distribution (2020).
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