KeithBriggs
Member
- Joined
- Dec 17, 2019
- Messages
- 18
diysolarforum is a wealth of info!
I'm no expert. I've just done two installs and only dealt with one manufacturer since it was what I picked based on the electric companies' approved grid tied inverters. Both yours and mine usually make the list of top inverters. If wallbox is V2G then there is considerable redundancy with a grid tied inverter. Why it's $4k. My 8k radians were $4 to 5k. My 800 aH batteries were just $9000 shipped from china. That's 40kwh (32 usable) which is pretty similar to my S LEAF's capacity.
When I easily can add my LEAF to my system as an additional 40kwh, I'll use the car as a secondary battery source and ditch the grid completely. Its only $26 per month but in 10 years that's $3120. It's my current backup as I don't have a generator.
I still don't understand why you cant use a charge controller to drop the voltage (in my case) to 48v and be a viable DC source. But I trust midnite's engineer. It appears that you need to bring it out of the car back to 240v AC and use the AC to run the house and/or charge the PV batteries and/or sell to the grid if you've jumped thru all their hoops. I'm not selling. Not worth the hassle. I followed all the rules, codes and guidelines.
Japanese grid tied inverters are already doing exactly what solaredge is striving for. Should not be a challenge as it already exists.
If the wallbox can do V2G, then it can do V2H. In my book, V2H is a subset of V2G.
I'm no expert. I've just done two installs and only dealt with one manufacturer since it was what I picked based on the electric companies' approved grid tied inverters. Both yours and mine usually make the list of top inverters. If wallbox is V2G then there is considerable redundancy with a grid tied inverter. Why it's $4k. My 8k radians were $4 to 5k. My 800 aH batteries were just $9000 shipped from china. That's 40kwh (32 usable) which is pretty similar to my S LEAF's capacity.
When I easily can add my LEAF to my system as an additional 40kwh, I'll use the car as a secondary battery source and ditch the grid completely. Its only $26 per month but in 10 years that's $3120. It's my current backup as I don't have a generator.
I still don't understand why you cant use a charge controller to drop the voltage (in my case) to 48v and be a viable DC source. But I trust midnite's engineer. It appears that you need to bring it out of the car back to 240v AC and use the AC to run the house and/or charge the PV batteries and/or sell to the grid if you've jumped thru all their hoops. I'm not selling. Not worth the hassle. I followed all the rules, codes and guidelines.
Japanese grid tied inverters are already doing exactly what solaredge is striving for. Should not be a challenge as it already exists.
If the wallbox can do V2G, then it can do V2H. In my book, V2H is a subset of V2G.