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I need a clear, permit-ready single-line diagram for a grid-tied solar PV array that will serve a commercial warehouse. The drawing must cover every component—from module strings and combiner boxes to inverters, AC/DC disconnects, grounding, metering, and the final tie-in to the building’s main distribution board—so the utility and local inspector can approve it without revisions. Because this is a commercial installation, please apply the latest NEC and any relevant local codes. I’m still finalising the exact array size, but expect something in the 100–150 kW range; your input on optimal capacity and equipment selection is welcome. Deliverables • Editable DWG (AutoCAD) and a stamped PDF ready for submission • All devices labelled with ratings, part numbers, and wire sizes • Layered file structure that makes future edits straightforward Acceptance Criteria 1. Diagram passes an engineering review for code compliance 2. Conductor, breaker, and disconnect sizing aligns with your chosen module/inverter specs 3. Final files delivered within three days after my feedback on the first draft If you normally work in AutoCAD Electrical, PVsyst, Helioscope, or similar tools, let me know in your proposal and include at least one recent commercial SLD sample.
Project ID: 40282590
9 proposals
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Active 9 days ago
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9 freelancers are bidding on average ₹7,722 INR for this job

I am a solar design professional, also I have experience in commercial projects off grid, on grid and BESS also
₹7,000 INR in 7 days
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I have experience in solar projects for more than years , I have worked in US projects in large scale solar plants
₹7,000 INR in 7 days
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As a highly skilled CAD designer with over 10 years of experience, I am the perfect fit for your Warehouse Solar PV SLD Design project. I have an extensive background in using AutoCAD to create precise and detailed designs, and I'm also proficient in other tools like SolidWorks, Photoshop, and Coreldraw. My deep understanding of electrical engineering combined with my proficiency in AutoCAD Electrical makes me well-equipped to handle complex tasks like drawing grid-tied solar PV arrays. In addition, I bring a unique perspective to your project - my specialty in practical manufacturability and material optimization means I always consider the long-term operational efficiency of a design. I believe this approach can be applied to your project by selecting optimal capacity capacities, equipment selection and sizing conductors, breakers, disconnects to align with module/inverter specs to guarantee a code compliant final design. Overall, my strong background in both mechanical and electrical design coupled with delivering quality outcomes within strict timelines makes me the ideal choice for this job.
₹12,500 INR in 3 days
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Hi, I'm Sigit, PV Engineer / Electrical Engineer. I can draw single line diagram solar PV for you. I've experience to design PV System for EPC company such as drawing electrical system nor calculate electrical equipment.
₹8,000 INR in 3 days
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Hello, “I recently worked on commercial rooftop solar permit designs and SLD preparation.” I am a Solar Design Engineer with hands-on experience in rooftop solar PV system design and permit drawings. I specialize in creating accurate and professional Single Line Diagrams (SLD) for warehouse and commercial solar projects. For this project, I will deliver: • Detailed Solar PV Single Line Diagram (SLD) • Proper string configuration and inverter connection • AC & DC protection devices (isolators, breakers, SPD, etc.) • Cable sizing and system layout compliance • Clear and professional AutoCAD drawings suitable for permits I currently work in the solar industry and have experience designing rooftop solar systems for commercial and industrial buildings, ensuring the design meets electrical standards and client requirements. You will receive a clean, accurate, and permit-ready SLD within 4 days. I focus on quality, clear communication, and timely delivery. I would be happy to assist you with this warehouse solar PV design project. Best regards, Pradeep Panchal Solar PV Design Engineer
₹6,000 INR in 4 days
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Hi there, I have reviewed your project requirements for the Solar Single Line Diagram (SLD) for the warehouse. As an electrical engineer with experience in renewable energy systems, I can provide you with a professional, code-compliant, and submission-ready design. What I will provide for this project: • Comprehensive SLD: Including DC/AC cabling, Inverter specifications, Protection devices (Breakers/Fuses), and Earthing systems. • Standards Compliance: Design according to IEC or NEC standards (whichever applies to your region). • Detailed Technical Specifications: Ensuring all components are optimized for maximum efficiency. • Fast Turnaround: I can deliver the first draft within [60 hours]. To get started, I just need a few details: 1. What is the total DC capacity (kWp) of the system? 2. Is the system On-Grid, Off-Grid, or Hybrid? 3. Do you have a specific inverter brand/model in mind? I am committed to providing high-quality technical drawings and am available for any revisions until you are 100% satisfied. Looking forward to collaborating with you. Best regards Khalil
₹10,000 INR in 3 days
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Hello, I’m a Solar PV Design Engineer with experience in commercial and industrial solar project design. I can prepare a clear, permit-ready Single Line Diagram (SLD) for your grid-tied solar PV system covering all components from module strings to the building’s main distribution board. For your expected 100–150 kW commercial warehouse system, the SLD will include module string configuration, inverter connections, AC/DC isolators, protection devices, grounding system, metering arrangement, and the final interconnection with the building MDB. The design will follow the latest NEC guidelines and relevant electrical standards to ensure it passes engineering review and utility approval. Deliverables: • Complete Single Line Diagram (SLD) covering DC and AC side components • Proper cable sizing, breaker ratings, and disconnect sizing based on selected module and inverter specifications • Editable DWG drawing prepared in AutoCAD with organized layer structure • Submission-ready PDF with clearly labeled devices, ratings, part numbers, and wire sizes Tools I work with: AutoCAD, PVsyst, Sketchup, Autodesk Inventor Timeline: • First draft within 24 hours • Final submission within 2 days after feedback I would also be happy to support you with future solar design projects such as SLDs, PVsyst simulations, array layouts, and electrical calculations, if you require ongoing design assistance. Looking forward to your response. Best regards Vipin
₹5,000 INR in 3 days
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Bhopal, India
Member since Mar 7, 2026
₹37500-75000 INR
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₹600-1500 INR
₹1500-12500 INR
$250-500 USD
€30-250 EUR
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₹37500-75000 INR
$2-8 CAD / hour
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