Sun Wave Knowledge Centre
Practical electricity tariffs guidance, analysis and updates for commercial and industrial solar buyers.
A line-by-line guide to industrial electricity bills in India: energy and fixed charges, kVAh billing, ToD slots, FSA, and how solar changes each line item.
Nine states raised FY27 grid tariffs, 13 froze them and Delhi added 16-18% PPAC. What it means for C&I rooftop solar ROI in Haryana, Rajasthan, UP, Delhi-NCR.
What HERC's 25 March 2026 tariff decision means for Haryana industry: unchanged tariffs, ineffective ToD design and the 5% prepaid smart-meter rebate.