Some countries found a way to solve that, if you deliver you’re supposed to pay a power grid transmit fee.
Whatever I can get out of a couple of 160W panels, to start out. If nothing explodes, I’ll add some more. I think at most I could probably fit ten of them on the roof.
You’ll get about 1.5kWh/day (NT$6?). Ten would be a bit more worthwhile, I guess, but you do need to double-check (preferably before you buy the panels) that you meter will definitely run backwards.
You might want to just look into solar-heated water (assuming you don’t take cold showers). Hot water is easier to store, the payback is considerably better, and you can install it yourself with minimal risk (although you do have to be careful not to accidentally overheat the water and then spray yourself with it).
I don’t need the meter to run backwards, only to run forwards more slowly. That might mean charging batteries in the day and then discharging at night when I’m home and the PC and ACs are on. We’ll see. But yeah, I’m not expecting drastic results.
I’ve seen those water heaters, and I’d like one, but I can’t mount one on the tiepi. So I’d need to be able to separate the panels and the tank, which I think the off-the-shelf ones don’t do. Perhaps I can just rig some panels to an electric heater later?
I would guess less than half of that, like around 0.5 kWh per day. Pretty tiny to do anything with. But 10 panels and you might actually produce something.
Just make sure you have the right components to connect to the grid. Don’t just hook up the output of your converter to a socket. That can’t end well.
That seems to be the normal way to use the micro inverters. At some scale you have to rig it directly into the big cables in the breaker box instead, but I don’t expect to reach that scale.
Is there a schematic, block diagram, theory of operation, and/or other documentation for the micro-inverter? I’d be willing to take a look at it for you if you want.
I haven’t bought one yet, so I don’t know what it comes with. But here’s what the Ruten guy proposes:
That’s also what I’m seeing from such obviously reliable sources as this random guy on Youtube:
Yeah, I was being optimistic … no shading, high converter efficiency, five suns per day.
Theoretically this will work if it’s explicitly designed as a grid-tie inverter. However I really suggest you have a word with Taipower and ask what the regulations are.
Agree with @finley. Seems to be designed for it and would likely work. I’d still be a little concerned about connecting it like this & the quality of the devices used.
Carry on and let us know how it goes!
Thanks guys. I’ll post updates, either here or on TV with a bunch of firetrucks behind me.
I had to laugh when the guy in the video said “use really big wire”
I am following
I am interested
Good thread and good info here so far
Reminder:
I started that thread in 2013
I guess the investment is not worth the trouble when you only have like 1,500 NT$/month to pay.
I am…
Anyway… why is there always a mosquito replying to my messages on this forum?
I am really asking and … calling the mods
F…
A choice is a choice
Can I wish for solar panels without a … to tell me it’s not worth!!!
or … anyway
So… Brendon, keep going
I support your project
and I will keep an eye
Good luck