Author

Lokesh

Founder and Chief Executive Officer, Blues Renewables

Lokesh is the founder and chief executive of Blues Renewables and writes the guides on this blog. He covers system sizing, from a single kilowatt up to a megawatt of ground mount, TANGEDCO net metering and wheeling charges, the PM Surya Ghar subsidy, and the four ways a rooftop plant gets paid for: CAPEX, OPEX, RESCO and the power purchase agreement. His open access and group captive pieces are written for commercial and industrial users in Tamil Nadu weighing a move off the utility tariff.

Showing 49–60 of 84 articles by Lokesh

Wall-mounted solar string inverter on the outside of a Chennai home, conduits and an isolator below it, the display lit and showing generation

Sizing & InstallationSolar Panel Warranty Claim in India: What to Do When the Installer Has GoneSeptember 20, 202611 min read

Three warranties cover a rooftop system and three different parties honour them. Which is which, what to keep, and how to claim when the installer has gone.

Hands resting on a marked-up engineering drawing spread across a desk, rolled drawings and a test report beside it

Sizing & InstallationSolar Panel Theft and Insurance in IndiaSeptember 19, 20268 min read

The warranty does not cover theft, cyclone or fire. What a solar policy costs, what it actually covers, and which sites genuinely need one.

Close view of a tilted rooftop solar array in Chennai, the grid of cells and busbars on each module clearly visible against a bright sky

Sizing & InstallationTOPCon vs Mono PERC: Which Panel Belongs on an Indian Roof?September 19, 202610 min read

TOPCon vs Mono PERC on the four numbers that decide it on a hot Indian roof: temperature coefficient, first-year degradation, year 25 output and warranty.

Indian homeowner comparing three printed solar quotations spread across a dining table with a laptop open beside them

Sizing & InstallationHow to Verify a Solar Company Before You PaySeptember 16, 20268 min read

Learn how to verify a solar company in Tamil Nadu, discover which registrations you can check yourself in minutes, and read the questions that separate EPCs from resellers.

Indian homeowner plugging a charging cable into a white electric car in the driveway of a Tamil Nadu house with rooftop solar panels above, at sunset

Sizing & InstallationSolar Capacity Limit in Tamil Nadu: Sanctioned Load RulesSeptember 15, 20268 min read

Learn what caps your solar capacity in Tamil Nadu, discover why sanctioned load matters more than your past bills, and read how to size for an EV you have not bought yet.

Residents of an Indian apartment association seated around a table in a community hall while a woman stands and presents a solar proposal document

Sizing & InstallationApartment Association Solar Approval: Getting the VoteSeptember 14, 20268 min read

Learn how to get apartment association solar approval, discover the resolution wording and consent rules, and read how to answer the objections that sink proposals.

Indian man studying a printed electricity bill at his kitchen table with a puzzled expression, rooftop solar panels visible through the window behind him

Sizing & InstallationElectricity Bill After Solar Not Zero? Here Is WhySeptember 13, 20269 min read

Learn why your electricity bill after solar is not zero, discover which TANGEDCO charges never disappear, and read what a realistic Tamil Nadu bill looks like.

Indian couple reviewing a solar loan document with a bank officer at a desk, a calculator and a system quotation between them

Sizing & InstallationSolar Loan EMI for a Home in Tamil Nadu (2026 Rates)September 12, 20268 min read

Learn what a solar loan EMI actually costs in Tamil Nadu, compare bank rates from 7 percent, and discover why the monthly saving usually beats the monthly instalment.

Solar technician washing rooftop solar panels with a long handled brush and hose on a Chennai terrace, with the coastline and palm trees behind

Sizing & InstallationSolar Panel Cleaning and AMC Cost in Chennai (2026)September 11, 20268 min read

Discover what solar panel cleaning and AMC cost in Chennai, learn how often coastal dust needs washing, and read why bird droppings void more warranties than storms.

Indian electrician in a safety vest checking a wall-mounted solar hybrid inverter and battery unit in the utility area of a Chennai home

Sizing & InstallationDoes TANGEDCO Allow a Hybrid Inverter? The 2026 RuleSeptember 10, 20268 min read

Learn what TANGEDCO actually permits for hybrid inverters and battery backup on rooftop solar, and discover the one step that keeps your net metering safe.

Indian homeowner at a dining table checking a laptop and a stack of subsidy application documents with a concerned expression, rooftop solar panels visible through the window

Sizing & InstallationPM Surya Ghar Subsidy Not Received? Fix It in 2026September 9, 202612 min read

Learn why the PM Surya Ghar subsidy has not arrived, discover the rejection reasons that cause most delays, and read the exact escalation route that gets it paid.

Indian business owner at a desk comparing two printed solar contracts side by side with a rooftop solar array visible through the office window

Finance ModelsSolar Lease vs PPA: Why the Lease Barely Exists in IndiaSeptember 8, 202611 min read

A lease charges fixed rent; a PPA charges per unit, so it carries the risk of a poor solar year. In India the PPA is standard at ₹3.50 to ₹5.50 a unit.