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I’m rolling out three identical 3 kW on-grid solar power systems for separate homes in Jharkhand and want each site delivered turnkey—from design all the way to final commissioning. All three buildings are standard residential structures with flat concrete roofs in moderate condition, so the mounting solution needs to be non-penetrative or, at the very least, water-tight and easy to service. What I need you to cover: • Site-specific array layout, string sizing, and shadow analysis • Supply and installation of Tier-1 PV modules, grid-tie inverter, AC/DC protection, earthing and lightning arrestor • Appropriate flat-roof mounting structure (aluminium or HDG steel) with ballast or minimal anchoring • All DC cabling, AC interconnection to the main distribution board, and net-metering integration with the DISCOM • Testing, commissioning, and hand-over documents, including generation forecast and warranty papers Acceptance criteria for each site: • System generates at least 80 % of the simulated monthly yield in the first 30 days • Net-meter swaps and DISCOM approvals completed and documented • Physical installation passes insulation resistance and earth-continuity tests • Final as-built drawings, O&M manual, and photos submitted in digital format Please outline the brands you prefer to work with, expected installation timeline per site, and any assumptions you’re making about local permissions so I can lock in schedules quickly.
Project ID: 40624828
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4 freelancers are bidding on average ₹8,313 INR for this job

Hi, I can support the three 3kW residential on-grid solar installations in Jharkhand, covering site design, layout, string sizing, shadow review, installation coordination, testing, commissioning, and handover documentation. The best solution is to first inspect each roof, confirm shadow conditions, DISCOM/net-metering requirements, inverter location, cable route, earthing point, and mounting preference. I’ll then prepare site-wise layouts, BOQ, generation estimate, protection scheme, installation plan, and commissioning checklist. I’m comfortable with residential solar design, on-grid systems, flat-roof mounting, string sizing, DC/AC protection, earthing, lightning protection, AutoCAD layouts, net-metering coordination, testing, and O&M documentation. Deliverables include: * Site-wise solar layout * Shadow/string sizing review * BOQ and brand recommendation * AC/DC protection plan * Earthing/lightning notes * Installation checklist * Commissioning support * As-built drawings * O&M/warranty document support Final electrical work and DISCOM submissions should follow local licensed/approved installer requirements. Best regards Ankit
₹5,000 INR in 1 day
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Hello, Three identical 3kW systems on flat concrete roofs gives good repeatability for commissioning, and going non-penetrative with ballasted aluminium or HDG steel racking is the right call for roof longevity on moderate condition structures like these. I have delivered turnkey residential on-grid systems before, covering everything from shadow analysis and string sizing through to DISCOM net-metering approvals, so the full scope here is familiar ground. For modules and inverters I typically work with Tier-1 panels alongside Growatt or Fronius grid-tie inverters, paired with proper AC/DC protection and earthing per site conditions. Each site would take roughly 5 to 7 days from mounting through commissioning, assuming roof access is clear and DISCOM documentation moves without delays, which I would confirm upfront. Testing includes insulation resistance and earth continuity checks before handover, with as-built drawings and O&M manuals delivered digitally. Looking forward to working with you and bringing your vision to life. Kind regards Andile
₹7,000 INR in 7 days
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Hello, I'm bharghav, and with 10 years of experience in Electrical Engineering, I specialize in designing and implementing robust power solutions, including solar installations. I understand your need for three turnkey 3kW on-grid solar systems in Jharkhand, from design to commissioning. My approach covers site-specific layouts, Tier-1 component supply and installation, suitable flat-roof mounting (ballasted or minimal anchoring), all cabling, net-metering integration, and comprehensive testing and documentation to meet your generation and approval criteria. Please initiate a chat so we can discuss preferred brands, timelines, and local permission assumptions to finalize schedules. Best regards,
₹8,750 INR in 3 days
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With over 10 years of experience in the renewable energy sector, I am well-equipped to handle your project for three 3 kW on-grid solar power systems. My specialization in Electrical and Control Engineering gives me a comprehensive understanding of the entire installation process, from the initial design stages right through to the final commissioning. Moreover, having worked on numerous residential projects, I understand the importance of customizing designs to fit specific site requirements. In terms of brands, I prioritize Tier-1 PV modules, grid-tie inverters, and other components from globally reputed manufacturers that ensure longevity and superior performance. I will share these details in my comprehensive proposal catering to your unique site conditions and budget. Regarding timelines, I understand the need for urgency in completing projects. By leveraging my resources effectively and employing efficient project management skills, I expect an installation timeline of no more than 45 days per site while ensuring top-notch quality at every step.
₹12,500 INR in 7 days
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