ESB Networks Implements New Regulations for 6kW Inverters in Ireland from 31/5/2023

New Regulations on 6kW Inverters - ESBN Paves the Way for a Balanced Solar Future in Ireland

By Lucy QingLiu / 23/05/2023

 

 

Introduction:

To revolutionize the energy landscape and embrace renewable sources, ESB Networks has announced groundbreaking regulations regarding the use of 6kW 25amp Inverters in the country. Set to take effect on 31st May 2023, these regulations represent a significant milestone in Ireland's journey towards a sustainable and balanced solar future.

Why Balance Matters:

Maintaining balance in the electrical grid is crucial for ensuring reliable and efficient power distribution. As solar energy gains momentum across Ireland, concerns about phase balancing at substations have emerged. To address this, ESB Networks has made the decision to strictly enforce a 25 Amp limit for solar inverters, aligning with the official amperage limit for solar installations in the country.

 

Embracing Change:

Previously, there was some flexibility when it came to installing inverters up to 6kW, allowing solar energy enthusiasts to enjoy the benefits without major restrictions. However, with the increasing number of solar systems connecting to the grid, ESB Networks recognized the need for tighter regulations to maintain stability and harmony within the electrical network.

Ensuring Compliance:

Under the new regulations, inverters used in solar installations must comply with the IS EN50549-1 standard. This ensures that inverters meet the necessary requirements to seamlessly integrate with the existing Irish electrical infrastructure. By standardizing these systems, ESB Networks aims to enhance the overall stability and reliability of the grid, paving the way for a more efficient and sustainable energy ecosystem.

 

Peak Export Limits:

To maintain balance and prevent strain on the grid, ESB Networks has set peak export limits for solar inverters. These limits stipulate that the peak export from inverters should not exceed 6kVA for single-phase connections or 11kVA for three-phase connections. These measures promote responsible energy consumption and prevent overload situations.

 

Impact on Existing and Future Installations:

For those who have already installed solar systems up to 6 kW, these regulations will not have a retrospective impact, provided they have submitted the necessary NC6 form to ESB Networks and encountered no objections. However, for future installations, compliance with the new regulations will be required, to ensure that the solar energy ecosystem remains balanced and efficient.

 

Empowering Solar Adoption:

While these regulations introduce certain limitations, viewing them within the broader context of Ireland's commitment to promoting solar adoption is important. In addition to the new regulations, the country has recently implemented planning permission exemptions for rooftop solar panels on homes and buildings. These exemptions streamline the installation process, aligning with the EU's Solar Rooftops Initiative and empowering individuals and communities to embrace solar energy.

 

Conclusion:

ESB Networks' introduction of new regulations on 6kW inverters marks a significant step forward in Ireland's transition to a sustainable and balanced solar future. By prioritizing phase balancing and enforcing standards for inverters, ESB Networks ensures a reliable and efficient electrical grid capable of accommodating the increasing number of solar installations. These measures demonstrate Ireland's commitment to a greener and more sustainable energy landscape, setting the stage for a brighter, solar-powered future.

Reference

• ESB Networks (2023) Micro-generators, ESB Networks. Available at: https://www.esbnetworks.ie/new-connections/generator-connections-group/micro-generators- (Accessed: 23 May 2023).
• Gallachóir, D.Ó. (2023) Are 6 kW solar inverters over the Limit in Ireland?, Ireland’s trusted solar panel experts. Available at: https://energyd.ie/6-kw-inverter-rules-ireland/ (Accessed: 23 May 2023).
• gov.ie (2022) New planning permission exemptions for rooftop solar panels on homes and other buildings. Available at: https://www.gov.ie/en/press-release/9ba0e-new-planning-permission-exemptions-for-rooftop-solar-panels-on-homes-and-other-buildings/ (Accessed: 23).