Blogs
Design Engineering
Performance ratio calculation for solar system
The performance ratio is a measure of the quality of a PV plant that is independent of location and it therefore often described as a quality factor. The performance ratio (PR) is stated as percent and describes the relationship between Read more…
Design Engineering
Grid connection requirements for rooftop solar System
Small amounts of electricity generated by residential PV systems can be easily fed into the local utility grid. Transformer capacity, appropriate grounding and system protection are obligatory, as otherwise the grid itself would be affected. The situation changes if the Read more…
FirstGreen Solar Academy
PPA model for solar system
A solar power purchase agreement (PPA) is a financial agreement where a developer arranges for the design, permitting, financing and installation of a solar energy system on a customer’s property at little to no cost. The developer sells the power Read more…
FirstGreen Solar Academy
Leasing model for complete solar system
In Leasing model, the contracting party may either make available space on his or her property for installation of a PV system without the right or obligation to consume the electricity generated and be remunerated at a certain leasing rate, Read more…