Maximising Solar Assets in the UK: Repowering for Efficiency, Safety & Sustainability

Published 02 Oct 2023

Maximising Solar Assets in the UK

by Dathan Eldridge, CEO, Dynamic Energy Solutions

Solar power has emerged as a shining star in the global energy landscape, and the United Kingdom is no exception. Over the years, the UK has made significant strides in harnessing the power of the sun to meet its renewable energy goals.

As we continue our journey toward a sustainable future, it’s essential to explore every avenue to maximize the potential of our existing solar assets. One such avenue is repowering and revamping commercial and utility-scale solar assets.

In this Article, we will delve into the numerous benefits of this strategy and why it is crucial for the UK’s clean energy future.

Repowering and revamping commercial and utility-scale solar assets

Boosting Efficiency: Repowering and revamping existing solar installations can significantly boost their efficiency. Innovations in solar panel technology, inverters, and tracking systems have made it possible to capture more energy from the sun. By upgrading older solar arrays with these advancements, we can extract more power from the same amount of sunlight, ultimately increasing energy production and reducing costs.
Extending Lifespan: Solar panels are built to last, but over time, their performance may degrade due to factors like wear and tear, weather, and dirt accumulation. Repowering involves replacing or refurbishing components that have reached the end of their life cycle, effectively extending the overall lifespan of the solar asset. This not only preserves our initial investment but also reduces the need for additional resources and raw materials.
Environmental Impact: The environmental benefits of repowering and revamping solar assets are substantial. By enhancing the efficiency of existing installations, we reduce the need to expand into new areas for solar development, helping preserve natural habitats and biodiversity. Moreover, the increased energy production from repowered assets means a decrease in greenhouse gas emissions, further contributing to the UK’s ambitious carbon reduction targets.
Cost Savings: One of the most compelling reasons to consider repowering is the potential for significant cost savings. Upgrading solar assets can be more cost-effective than building new ones. The infrastructure and grid connections are already in place, reducing installation costs. Additionally, the improved efficiency leads to increased revenue generation, making the investment in repowering a financially sound decision.
Grid Stability: As we transition to a more renewable energy-dependent grid, grid stability becomes a critical concern. Repowered solar assets can contribute to grid stability by providing a reliable and predictable source of energy. Advanced inverters and monitoring systems can help manage fluctuations in solar output, ensuring a steady supply of electricity.
Job Creation: Repowering and revamping solar assets create opportunities for skilled jobs in the renewable energy sector. From installation and maintenance to research and development, the entire value chain benefits from these projects. This not only supports the growth of the clean energy industry but also contributes to local economies.
Regulatory Support: The UK government has recognized the importance of repowering and has introduced supportive policies and incentives. These include streamlined planning processes and financial incentives for upgrading existing solar assets, making it easier and more financially attractive for stakeholders to embark on repowering projects.

Photovoltaic Solar Farms

Enhancing Electrical Safety and Mitigating Fire Hazards

Rigorous Inspection and Assessment: Before commencing any repowering project, a comprehensive inspection and assessment of the existing electrical infrastructure must be carried out. This includes a thorough examination of wiring, connections, switchgear, and inverters. Any outdated or damaged components should be identified and replaced to prevent potential electrical faults.
Compliance with Modern Standards: Electrical safety standards evolve over time to incorporate the latest safety measures and technologies. Repowering projects should aim to bring existing installations up to current industry standards. This includes complying with relevant codes and regulations, such as the IET Wiring Regulations (BS 7671) and electrical safety standards (e.g., IEC 62446 for PV systems). These standards provide guidance on safe design, installation, and maintenance.
Upgraded Fire Detection and Suppression: Older solar installations may lack modern fire detection and suppression systems. Incorporating these technologies can be crucial in mitigating fire hazards. Install smoke detectors, heat sensors, and fire suppression systems as part of the repowering effort. Additionally, establish regular maintenance schedules to ensure these systems remain functional.
Advanced Monitoring and Control Systems: Implement advanced monitoring and control systems that continuously assess the electrical health of the solar asset. These systems can detect anomalies, overheating, or electrical faults in real-time, allowing for immediate intervention before a hazard escalates.
Employee Training and Safety Protocols: Invest in training programs for employees and contractors involved in repowering projects. Emphasize electrical safety procedures, hazard identification, and emergency response. Ensure that everyone on-site is well-equipped to handle electrical equipment safely.
Proper Grounding and Bonding: A critical aspect of electrical safety is proper grounding and bonding. Ensure that all electrical equipment is adequately grounded to prevent electrical shocks and fires. This includes grounding the solar array, inverters, and any metallic components.
Regular Maintenance and Testing: Implement a proactive maintenance schedule that includes routine inspections and electrical testing. This can help identify potential issues before they become safety hazards. Regular testing and maintenance also extend the lifespan of electrical components.
Compliance Documentation: Maintain comprehensive documentation of electrical safety measures, inspections, and maintenance activities. Proper record-keeping is essential for accountability and regulatory compliance.
Third-Party Audits: Consider conducting third-party safety audits to assess the electrical safety measures and fire hazard mitigation strategies in place. Independent audits can provide valuable insights and recommendations for improvement.

Conclusion

Repowering and revamping commercial and utility-scale solar assets in the UK is a strategic move that aligns with our clean energy goals, economic interests, and environmental responsibilities. By harnessing the latest technologies and innovations, we can maximise the potential of existing solar installations, increase efficiency, reduce costs, and contribute to a greener and more sustainable future.

Moreover, by prioritising rigorous electrical safety measures and robust fire hazard mitigation strategies, we ensure that these projects not only drive renewable energy but also safeguard lives, assets, and the environment. Together, we can make a significant difference in our energy landscape, paving the way for a cleaner, safer, and brighter future for the UK.

Who Are Dynamic Energy Solutions?

Dynamic Energy Solutions

Dynamic Energy Solutions (DES) has been providing specialist, reliable renewable energy technologies to the commercial sector for many years. Our current and previous clients include councils, property developers, commercial landlords, multinational businesses, and plenty of independent local businesses.

Our services include (but are not limited to) rooftop solar, ground mounted solar, ac and dc electric vehicle charging, battery storage systems and specialist hv services. We have worked on projects all across the UK and have big plans for growth in the coming years as the renewables industry continues to develop.

DES are proud members of Solar Energy UK and are committed to providing high quality specialist services to all our clients and helping to shape the future of the renewables market in the UK. Our team regularly speak at industry events such as Solar and Storage and in the last few years have moderated several of the panels.

THORNE & DERRICK

SPECIALIST ELECTRICAL DISTRIBUTOR

Thorne & Derrick are Specialist Distributors to Solar EPC’s & High Voltage Jointing Contractors working on the design, construction and maintenance of UK, European and international projects supplying an extensive range of LV HV Solar Cables, Jointing, Substation & Electrical Eqpt. Based in the UK, we are highly customer responsive and absolutely committed to providing a world-class service.

We stock LV HV Solar Cables, Accessories & Electrical Equipment to enable the construction, maintenance and operation of utility-scale PV installations – our products connect 600V/1500V solar cables into combiner boxes, inverters, transformers and energise switchgear up to 33kV/132kV for high voltage grid connections.

Since 1985, we have provided expert technical support and express delivery from extensive UK stocks to world-wide destinations.

Key Products: MV-HV Cable Joints & Terminations, Cable Cleats, Duct Seals, Cable Transits, Underground Cable Protection, Copper Earth Tapes, Cable Jointing Tools, Feeder Pillars, Cable Ducting, Earthing & Lightning Protection, Electrical Safety, Cable Glands, Arc Flash Protection & Fusegear.

Distributors for: 3M Cold Shrink, ABB, Alroc, Band-It, Catu, Cembre, Centriforce, CMP, Elastimold, Ellis Patents, Emtelle, Furse, Lucy Zodion, Nexans Euromold, Pfisterer, Polypipe, Prysmian, Roxtec.