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I'm looking to upgrade my current grid-tied solar system in the UK. The main goals of this upgrade are to add battery storage and install additional solar panels. To ensure a successful project, I need detailed project proposals from freelancers. Ideal skills and experience: - Expertise in solar energy systems - Experience with battery storage integration - Knowledge of UK regulations and standards for solar installations - Ability to provide a detailed and feasible project plan Please include any relevant past work and experience in your proposals.
Project ID: 40461276
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7 freelancers are bidding on average £15 GBP for this job

HI, I can deliver a professional grid-tied solar system upgrade design with optimized load calculations, efficient inverter and panel integration, and complete technical documentation focused on improving system performance and energy reliability. 1️⃣ What is the current solar system capacity and which components need upgrading? 2️⃣ Do you already have existing single-line diagrams, load data, or equipment specifications available? 3️⃣ Do you need only system design support or also PVsyst analysis, electrical drawings, and compliance documentation? Warm regards, The Blend Nation.
£15 GBP in 1 day
4.4
4.4

Dear Client, I’m interested in your project to upgrade your existing grid-tied solar system in Doncaster. With strong experience in solar PV design, battery storage integration, and system optimization, I can help you expand your current setup in a practical and compliant way. I understand your main goals are to: - Add **battery storage** to improve self-consumption and energy independence - Install **additional solar panels** to increase generation capacity - Ensure the whole upgrade is **safe, feasible, and compliant with UK standards** For a project like this, I would first review the existing system configuration, inverter compatibility, roof/installation space, and grid connection limitations. Based on that assessment, I can recommend the best upgrade approach — whether that is **AC-coupled battery storage**, **DC-coupled integration**, or an inverter replacement if needed. I am familiar with key UK requirements such as **G98/G99**, **BS 7671**, and general DNO application workflows, so I can make sure the proposed solution is not only technically sound but also suitable for approval and commissioning. ### What I can provide: - Review of the existing solar system - Battery and panel expansion strategy - Feasible technical project plan - Equipment sizing recommendations - Grid compliance considerations - Clear and detailed proposal documentation I also pay close attention to long-term performance, safety, and return on investment, so the upgrade is designed to deliver real value rather than just added equipment. If helpful, I can prepare a detailed proposal after reviewing the current inverter model, system size, and available site photos or drawings. Best regards, Mahmoudreza A.
£17 GBP in 10 days
4.3
4.3

Hi, I am highly interested in upgrading your solar system. Transitioning an on-grid system into a hybrid setup with battery storage and expanding solar arrays requires precision, and I can deliver exactly that. As an electrical engineer specializing in photovoltaic systems and automation, I have extensive experience in sizing, commissioning, and retrofitting solar infrastructure. How I Will Add Value: Battery Storage Integration: Proven expertise in specifying high-performance hybrid inverters and advanced lithium battery storage systems for optimal load management and backup. System Expansion: Thorough analysis of your existing setup to seamlessly integrate new panels, optimizing string configuration and avoiding mismatch losses. Compliance: Full commitment to engineering standards and UK regulatory requirements for microgeneration, grid connection, and safety. Detailed Deliverables: I will provide a comprehensive project plan, including electrical diagrams, load dimensioning calculations, and a viable execution timeline. Relevant Experience: My background includes technical diagnostics, system resizing, and engineering reports for complex solar setups, including replacing core components and adapting systems to new demand loads. I focus on precision engineering to maximize your ROI through reliable component selection. Best regards, Lucas Menezes
£15 GBP in 1 day
0.0
0.0

Hello, I can help you upgrade your existing grid-tied solar system in the UK by integrating battery storage and adding additional solar panels. I have experience in renewable energy systems, power system studies, and grid-connected electrical design. Using engineering tools and system analysis methods, I can provide a technically sound and practical upgrade proposal tailored to your current installation and energy usage requirements. The proposal can include: Existing system review Battery storage sizing Solar PV expansion assessment Inverter compatibility review Grid connection considerations (G98/G99) Single-line electrical layout Energy performance recommendations Technical implementation plan I am familiar with UK standards and renewable integration requirements and can help ensure the upgrade is efficient, compliant, and future-ready. Please share your current system details (inverter size, existing PV capacity, electricity usage, and available space), and I can prepare a detailed project assessment. Kind regards, KHB Global Ltd
£20 GBP in 7 days
0.0
0.0

Dear Client, I am pleased to submit my proposal for upgrading your existing grid-tied solar PV system in the UK with additional solar panels and battery storage integration. I have experience in renewable energy systems, solar PV design, battery energy storage, and grid integration projects. Along with technical expertise, I possess strong software and analytical skills including AutoCAD, PVsyst, MS Excel, data analysis, project coordination, technical documentation, and report preparation. The proposed work will include assessment of the existing system, compatibility analysis, PV expansion design, battery sizing and integration, and compliance review as per UK regulations including G98/G99 standards. Deliverables will include a technical proposal, conceptual layout, equipment recommendations, cost estimation, and implementation plan focused on efficiency, reliability, and long-term performance. Best Regards, Gargee Thattey
£10 GBP in 7 days
0.0
0.0

Hello, I can help you with upgrading your existing grid-tied solar system by integrating battery storage and additional solar panels. I have experience in solar permit design, SLD preparation, load calculations, battery backup systems, and NEC/UK standard compliant documentation. I will provide a detailed and feasible project proposal including system upgrade planning, electrical design, and technical documentation to ensure smooth installation and approval. Looking forward to working with you.
£15 GBP in 7 days
0.0
0.0

Doncaster, United Kingdom
Member since May 22, 2026
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