Power optimisers typically cost £40 each, but need an inverter costing around £600 as well. 5 kW solar PV system comprised of 10 350W panels, you'd need to spend either £1,000-1,500 for 10 microinverters, or £1,000 for £400 worth of optimisers and a £600.
What type of inverter is best for solar?
A string inverter is the best type of inverter for solar panel systems that have panels all facing in one direction, and aren't regularly obstructe...