Chennai solar guides

Finance Models

CAPEX, OPEX, RESCO, PPA and lease compared, so you can pick how to pay for a plant.

Showing 1–6 of 6 articles in Finance Models

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.

Large South Indian warehouse rooftop fully covered with solar panels at golden hour with the building owner looking across the array

Finance ModelsWhat Is Solar Lease? What It Means in India, and What It Does NotSeptember 5, 20269 min read

Solar lease means three different things in India: leasing equipment, renting out your roof, and the American-style lease that is effectively unavailable.

Two Indian solar engineers inspecting rows of panels at a large industrial site in Tamil Nadu, illustrating a RESCO owning and operating a solar plant

Finance ModelsWhat Is the RESCO Model in Solar? Meaning and 9 ChecksSeptember 4, 202610 min read

RESCO means Renewable Energy Service Company: it funds, owns and runs the plant, then sells you the units. The same arrangement OPEX describes.

Two Indian business professionals signing a solar power purchase agreement at a meeting table with a rooftop solar array visible through the window

Finance ModelsWhat Is a Solar PPA? Power Purchase Agreement Clauses ExplainedSeptember 4, 202611 min read

A solar PPA buys electricity at an agreed rate for 15 to 25 years from a plant the developer owns. The twelve clauses, and the red flags before signing.

Indian factory owner standing beside a rooftop solar array on their own manufacturing unit in Tamil Nadu, illustrating the CAPEX solar ownership model

Finance ModelsWhat Is CAPEX Model in Solar? Costs, Tax and Payback ExplainedSeptember 3, 202610 min read

CAPEX means you fund and own the plant, so every unit saves the full retail tariff. GST is now 5 percent and accelerated depreciation is 40, not 80.

Solar inverter and energy meter on a South Indian commercial rooftop with a technician recording a reading, illustrating the OPEX solar billing model

Finance ModelsWhat Is OPEX Model in Solar? Zero Investment Solar ExplainedSeptember 3, 202611 min read

Learn what the OPEX model in solar means, discover the per-unit rates and savings to expect, and read the four clauses that decide whether it pays off.