Distributed generation integration

Supporting stable low-voltage networks in an increasingly decentralised energy system

The rapid growth of distributed renewable generation is transforming the operational behaviour of low-voltage electricity networks.

Solar photovoltaic systems, battery storage, local generation assets and other low-carbon technologies are introducing increasingly dynamic power flows, voltage variability and operational complexity across distribution feeders and secondary substations.

powerPerfector iQ helps network operators manage these changing conditions through precise voltage management, independent phase control and fast electronic response within low-voltage distribution networks.

The changing nature of low-voltage networks

Traditional low-voltage networks were designed around predictable one-way power flow from centralised generation sources.

Modern networks now operate very differently.

Distributed generation technologies increasingly export power back into local distribution systems, contributing to:

  • localised voltage rise
  • increasing voltage variability
  • phase imbalance
  • reverse power flow conditions
  • dynamic load and export behaviour
  • increased operational pressure on existing infrastructure

As distributed generation penetration continues to increase, maintaining stable voltage conditions across low-voltage networks becomes significantly more challenging.

Managing voltage under distributed generation conditions

Distributed renewable generation systems typically synchronise their output with local network voltage conditions.

Where network voltage fluctuates significantly, connected inverter-based technologies may also respond dynamically, contributing to instability and increasingly variable operating conditions.

powerPerfector iQ continuously manages and stabilises downstream voltage conditions within the low-voltage network, helping create a more stable operating environment for both network infrastructure and connected distributed generation technologies.

Using high-speed electronic voltage management and independent phase control, the system maintains stable target voltage conditions under varying import and export scenarios.

This can help support:

  • improved voltage stability
  • more stable downstream network conditions
  • improved operating conditions for inverter-based technologies
  • reduced voltage fluctuation across feeders
  • improved integration of distributed renewable generation

Voltage management closer to the network edge

One of the key advantages of powerPerfector iQ is its position within the network.

Installed downstream of the HV/LV transformer, the platform applies voltage management directly within the low-voltage environment where distributed generation impacts are most visible.

This enables network operators to influence local voltage conditions more precisely and responsively than would typically be possible using broader upstream control strategies alone.

As local generation penetration increases, this downstream approach to voltage management becomes increasingly important.

Supporting network flexibility and capacity

The transition toward decentralised energy systems is placing increasing pressure on existing distribution infrastructure.

powerPerfector iQ supports modern network operation by helping operators:

  • maintain stable low-voltage conditions
  • improve feeder voltage stability
  • support increased distributed generation penetration
  • improve operational flexibility
  • reduce infrastructure stress
  • support future low-carbon network strategies

By maintaining stable and optimised voltage conditions, the platform can also support more efficient utilisation of local network capacity under changing import and export conditions.

Designed for evolving energy systems

Low-voltage networks are becoming increasingly dynamic, decentralised and difficult to manage using traditional voltage regulation approaches alone.

powerPerfector iQ has been developed specifically for these evolving operating environments, combining:

  • real-time electronic voltage management.
  • precise voltage stabilisation
  • independent phase voltage control
  • harmonic performance improvement
  • fast response to changing network conditions
  • stable target voltage output
  • support for Conservation Voltage Reduction (CVR)
  • improved downstream power quality

This makes powerPerfector iQ a highly adaptable platform for supporting the ongoing integration of distributed renewable generation across low-voltage electricity networks.

Ofgem RIIO-ED3

Supporting ED3 priorities

ED3 supports greater integration of distributed energy resources to accelerate the transition to a low-carbon energy system. Active voltage management and independent phase control can help DNOs increase hosting capacity and manage the variability associated with distributed generation.

Key ED3 themes:

  • Distributed energy resources
  • Network flexibility
  • Net zero transition

Learn how powerPerfector iQ supports RIIO-ED3 priorities

Talk to our team

If you are reviewing the impact of distributed generation across your network, we would be happy to discuss how powerPerfector iQ could support your voltage management and operational objectives.