DIY home battery storage with an EE degree? Where to find electricians with correct qualfication?

The inverter you show is one of these (click for manual) that uses the direction of current into or out of the grid with the current transformer to decide if the solar panels are exporting and to charge the batteries, or if there is power coming form the grid, to run the batteries down. The wiring of the mains side is straightforward, and any electrician should be able to do that in a regs compliant way to a breaker or RCBO in the consumer unit.

For the UK the inverter will need to self shut down in the event of a total failure of the external grid, and the instructions capture that, however grey imports  may not be set up for that - some places are less worried about houses exporting power onto a dead street main that may be being worked on. Setting that up and verifying it is working requires a bot of thought, not difficult, but perhaps not something the run of the mill sparks will be familiar with.

If you anticipate this being a bit of an experiment and do not have one already consider arranging an isolator between meter and consumer unit rather than calling someone out to pull the company fuse or workgin semi-live each time the CU configuration  needs to be changed.

Also some types of grid tied generation are notifiable to the DNO, as they like to know about things with potential to reverse the voltage drop slope along the street, and this may well fall into that category.

Mike

The inverter you show is one of these (click for manual) that uses the direction of current into or out of the grid with the current transformer to decide if the solar panels are exporting and to charge the batteries, or if there is power coming form the grid, to run the batteries down. The wiring of the mains side is straightforward, and any electrician should be able to do that in a regs compliant way to a breaker or RCBO in the consumer unit.

For the UK the inverter will need to self shut down in the event of a total failure of the external grid, and the instructions capture that, however grey imports  may not be set up for that - some places are less worried about houses exporting power onto a dead street main that may be being worked on. Setting that up and verifying it is working requires a bot of thought, not difficult, but perhaps not something the run of the mill sparks will be familiar with.

If you anticipate this being a bit of an experiment and do not have one already consider arranging an isolator between meter and consumer unit rather than calling someone out to pull the company fuse or workgin semi-live each time the CU configuration  needs to be changed.

Also some types of grid tied generation are notifiable to the DNO, as they like to know about things with potential to reverse the voltage drop slope along the street, and this may well fall into that category.

Mike