The energy payback time, defined as the recovery time required for generating the energy spent for manufacturing a modern photovoltaic module is typically from 1 to 4 years depending on the module type and location.
The energy payback time is typically from 1 to 4 years depending on the module type. The energy payback time is typically from 1 to 4 years depending on location. The energy payback time is defined as the recovery time. This recovery time is required for generating the energy. This energy is spent for manufacturing a modern photovoltaic module.