Sun Wave Knowledge Centre
Guides, case studies, and industry updates to help you make informed decisions about solar energy for your business.
Open access structures compared: third-party sale pays CSS plus additional surcharge, group captive avoids CSS with 26% equity. Landed tariffs, 2026 rule changes and when each structure wins.
A fact-checked shortlist of industrial solar EPC companies serving Haryana - national C&I players, Faridabad specialists, and DHBVN/UHBVN questions to ask.
UHBVN rooftop solar process for Panipat, Karnal, Sonipat, Ambala industry: HERC 2021 regulations, amendments, ₹6.85/kVAh HT tariff, application steps and how UHBVN differs from DHBVN.
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 of roughly 1.1-1.6 years at Sun Wave's reference pricing, 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.