

KGDC KNOWLEDGE CENTRE
Understand solar.
Choose with confidence.
Practical guides to systems, subsidies, finance, carbon markets and installation quality.
Articles
On-grid, off-grid or hybrid solar: choose by outcome, not terminology
Compare bill saving, outage backup, battery dependence and operating behaviour before selecting a solar architecture.
Read guideSolar subsidy and cash flow: what you may pay before assistance arrives
Separate gross project price, loan disbursement, commissioning and later subsidy credit before judging affordability.
Read guideHow to compare solar quotations without being misled by ₹/kW
Use one scope sheet to compare engineering, structure, electrical safety, approvals, warranties and service.
Read guide2 kW, 3 kW or 5 kW? Size home solar from units—not subsidy alone
Use 12 months of consumption, roof capacity, daytime use and metering rules to choose a sensible residential system.
Read guideIndia’s Carbon Market is moving into operation. What should your business do now?
The 2026 Indian Carbon Market rollout changes carbon planning for industry—but a solar plant does not automatically become a tradable carbon credit.
Read guideSolar loans and EMI: compare the complete repayment—not the first EMI
Understand down payment, interest, subsidy timing, prepayment and total ownership cash flow.
Read guideHome-solar savings in Jharkhand: a practical bill-to-roof assessment
Estimate savings from actual consumption, electricity supplier, roof conditions and central assistance.
Read guideWhy is my solar plant underperforming? Diagnose in the right order
Separate weather, monitoring, shading, soiling, electrical faults and design limitations before replacing equipment.
Read guideHow rooftop solar actually powers your home or business
Follow electricity from sunlight to DC power, the inverter, your live loads, the bidirectional meter and the grid.
Read guideSolar with diesel generators: what an operating facility must understand
See how controllers, meters and protection coordinate solar, site load, grid supply and DG sets.
Read guideWhat a well-designed solar plant can deliver—and what it cannot
Evaluate energy cost, resilience, sustainability, asset quality and long-term service without exaggerated promises.
Read guideNet metering explained: where every unit of solar electricity goes
Understand self-consumption, import, export, the bidirectional meter and why an on-grid solar plant stops during a power cut.
Read guideLocal guides

PM Surya Ghar: residential solar subsidy explained
Compare PM Surya Ghar central subsidy and state assistance: Odisha up to ₹1,38,000; eligible West Bengal SC/ST homes up to ₹93,000; Jharkhand central support up to ₹78,000.
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RWA, housing society & builder solar subsidy
Common-area rooftop solar, the ₹18,000/kW CFA framework and the conditional developer-to-residents handover route.
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Residential solar in Odisha: subsidy & installation
Odisha rooftop solar: up to ₹1,38,000 combined PM Surya Ghar central and state subsidy for eligible homes. See capacity slabs, eligibility and installation guidance.
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Residential solar in West Bengal: subsidy & installation
West Bengal solar subsidy: up to ₹78,000 central support, plus up to ₹15,000 SFA for eligible SC/ST homes. Combined support up to ₹93,000.
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Residential solar in Jharkhand: subsidy & installation
A local guide to rooftop solar, PM Surya Ghar, state assistance and electricity-supplier checks in Jharkhand.
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