Christophe wrote:As for balancing and consuming exactly what the PV produces, this must be done automatically by the solar inverter otherwise it's just unmanageable!
Photovoltaic injection inverters do not regulate anything at all, they do not need. They are supposed to flow into a "bottomless pit" network, so not to worry about production.
And generally they are asked anyway to produce what they can to optimize the financial return of the installation, there is no point in adding a regulation mechanism to them.
The only regulation mechanism they know is disconnection... when the network disappears, or when its impedance becomes too high (local overproduction) which causes an increase in the network voltage (problem well known to certain producers)
EDIT: I went a little fast... some inverters actually have a mechanism that aims to limit their production, this is the case for those sold as "zero injection" for those who want to do only self-consumption without anything sell or give to the network. These are specific models...