Quick Answer Mayiladuthurai sits in Tamil Nadu’s high solar irradiance belt with 5.0 to 5.5 peak sun hours per day — ideal for rooftop solar A 3kW solar system in Mayiladuthurai saves ₹2,400 to ₹3,600 per month on TANGEDCO electricity bills Residential...
Quick Answer Thanjavur receives 300 to 320 sunny days per year — making it one of Tamil Nadu’s strongest solar generation locations A 3kW solar system in Thanjavur saves ₹2,400 to ₹3,600 per month on TANGEDCO bills after installation Residential homeowners in...
Quick Answer A manufacturing unit calculates solar savings by multiplying solar generation in units per month by the applicable TANGEDCO industrial tariff rate per unit The key inputs are monthly solar generation from the installed system size, the unit’s...
Quick Answer Yes — rooftop solar is genuinely profitable for hotels and resorts in Tamil Nadu in 2026 with payback periods of 3 to 5 years and 20-plus years of near-free electricity following Hotels have some of the highest electricity consumption of any commercial...
Quick Answer Commercial solar systems above 10kW in Chennai require TANGEDCO approval under the commercial net metering framework — separate from the residential PM Surya Ghar process Systems above 10kW must be installed by MNRE-empanelled vendors and comply with...
Quick Answer An IT office in Chennai can run 70 to 100 percent of its daytime electricity needs on rooftop solar — but complete 24-hour independence from TANGEDCO requires battery storage sized for nighttime and weekend loads IT loads including servers, workstations,...
Quick Answer A small retail shop in Chennai consuming 500 to 1,000 units per month needs approximately 10 to 25 solar panels in a 4kW to 10kW system A medium supermarket consuming 3,000 to 8,000 units per month needs approximately 75 to 200 panels in a 30kW to 80kW...
Quick Answer Captive solar means your business consumes all generated solar power directly — with no grid connection or export — while net metering allows surplus solar to be exported to the TANGEDCO grid for bill credits Net metering is more financially flexible and...
Quick Answer Schools and colleges in Chennai can install rooftop solar and access government benefits — but eligibility depends on the institution’s registration type and tax status Private schools and colleges registered as companies or trusts with taxable...
Quick Answer Yes — GST-registered businesses in Tamil Nadu can claim input tax credit on the 12 percent GST paid on commercial solar panel installation The ITC claim recovers the full GST amount paid — reducing the effective net cost of the solar installation by 12...
