Sun Wave Knowledge Centre
Guides, case studies, and industry updates to help you make informed decisions about solar energy for your business.
WBERC Prosumer Regulations 2025 for West Bengal industry: 500 kW net metering cap, net billing feed-in tariff route, WBSEDCL tariffs, application fees, timelines and DVC-area nuances.
A fact-checked shortlist of commercial and industrial solar EPC companies serving Delhi NCR - national C&I players and Faridabad-based specialists compared.
A fact-checked shortlist of solar companies for industry in Rajasthan - utility giants, Jaipur EPCs, Bhiwadi-belt specialists, and how to pick for a factory rooftop.
A fact-checked shortlist of solar EPC companies for factories and industry in Uttar Pradesh - national players, UP-based specialists, and discom questions to ask.
CEIG/electrical inspector approval for C&I solar: state thresholds (10-100 kW LT, all HT), required drawing pack, timelines, common rejections, and how it differs from DISCOM net metering.
West Bengal factory solar: WBSEDCL/CESC tariffs, WBERC net metering (500 kW cap), FY26 feed-in tariffs and cluster-level economics for Howrah, Haldia, Durgapur and Kolkata plants.
Power and fuel are 30-40% of cement production cost. How UltraTech, Ambuja and Shree use solar - and how mid-size cement plants replicate the playbook with rooftop and group-captive solar.
Hotel rooftop solar in India: HVAC takes 40-60% of load, HT tariffs run Rs 9-12/kWh, sizing by property type, payback 3-5 years with AD, plus solar water heating and green-certification value.
School rooftop solar in India: no CFA for institutions, but RESCO tenders (NHPC/SJVN, UPNEDA 500 MW at Rs 4.85/kWh ceiling) fund them. Sizing per kW, savings math and approval steps.
Ghaziabad factory solar: PVVNL supply, UPERC's flat FY27 tariffs (ABR Rs 6.36/unit), LMV-2 rates, ToD windows, net billing with 2 MW cap and realistic payback for 2026.
India module prices 2026 (JMK tracker): Mono PERC Rs 13.8/Wp, TOPCon Rs 14.2/Wp, DCR TOPCon Rs 22.3/Wp. DCR premium trends, GST effects and what C&I buyers should track monthly.
Solar panel price per watt India 2026: module rates by technology, turnkey C&I costs per kW, what drives quote differences and how to compare bids on lifetime rupees, not sticker price.