Generally, a typical single phase 4. 04kWp PV system would cost around €3,220 after government grant, with the average prices for solar panels systems ranging from about €800 to over €1,000 per kW of installed capacity, depending on exact. . Price based on €10,200 grant for new PV & battery storage. Get ready for clean, reliable energy, every day. The same goes for those with a hybrid inverter, with a grant covering. . Before buying solar inverters and supplying them in your local area, you need to be aware of all the functionalities of solar inverters, and the different types of inverters available. Thereafter, you can compare solar quotes on our site with various inverter types. Why Inverter for PV Systems?. An incredible 35% annual ROI and payback periods starting from 3 years, with interest-free and security-free financing options are within your reach! We offer quality global PV brands, inverters and battery storage solutions.