The end consumer pays for the power generated under a long term power purchase agreement ppa.
Opex model solar rooftop.
As of march 31 2019 opex model based projects hold more than 37 share of cumulative onsite solar installations in india.
It is successful model internationally and remains so in india also as the consumer has not to incur upfront capital costs.
This opex model is famous in many countries including us where half of rooftop solar pv installations are owned by opex developers.
B opex model pay per unit with power purchase agreement in opex model operation expenditure will be yours system instillation company will install the complete system at their own cost on your rooftop through a 10 25 year power purchase agreement ppa between you and installation company.
Opex model power purchase agreement under net metering the entire system is owned by the developer.
Developer will install operate and maintain the solar plants set up on customer s rooftop investor will charge on a per unit kwh basis only for the electricity produced by solar we have the experience of opex model in the usa and execute this model like no one else.