Balcony solar panels can save 30% on a typical household’s electricity bill and, with vertical surface area in cities larger than roof space, the appeal is clear
No, that’s not how it works in the general case. There are ways to setup a house to back power but it’s more complicated than just plugging it in.
So what you’re saying is that the general case is that it feeds back into the grid unless there are additional measures taken? But at the same time, it’s not the general case? Huh?
Without proper safeties in place back flowing power to the grid becomes extremely dangerous for line technicians
Which is why, where I live, you have to register your devices with the utility company.
On loss of power these inverters cut off within 20 ms or so. These are grid-tied, not insular (though with hacked firmware some of the models can be made insular-capable).
Maybe just look at how these inverters work before babbling about. These kits all come with standard off the shelf micro inverters, or rarely bigger string inverters, and will feed back up to 0,8wk into the grid if the energy is not used in the household. If the connection to the grid is lost they turn off within less than 50ms, making them completely safe for line technicians
Do you know how these kits work? The whole point is that they’re plug-and-play. If the feed back into the grid, they are not plug and play and will require coordination with your power company lest you accidentally kill someone because you’re backfeeding into a line they turned off so they could work on it.
The kits have built-in measures to avoid backfeeding, or they would be illegal. Where I live, they’ve been deemed so unsafe, failsafe or not, that you’re just not allowed to use them.
They cannot back feed when there is no grid power, yes. But they cannot differ between power used inside the house or outside the house. They can and will definitely push power back out to the grid as long as they detect grid power from other sources.
Yes I do. Had one for some time before we got our own house and ramped it up to a “real” 8 kWp array.
If the feed back into the grid, they are not plug and play and will require coordination with your power company lest you accidentally kill someone because you’re backfeeding into a line they turned off so they could work on it.
Which is exactly why there are harsh regulations about the index of these things in Germany. Before you plug it in, you have to register exactly where you’re plugging what in.
What are you talking about? Of course, energy that isn’t used in the household is pushed back to the grid.
No, that’s not how it works in the general case. There are ways to setup a house to back power but it’s more complicated than just plugging it in.
Without proper safeties in place back flowing power to the grid becomes extremely dangerous for line technicians
So what you’re saying is that the general case is that it feeds back into the grid unless there are additional measures taken? But at the same time, it’s not the general case? Huh?
Which is why, where I live, you have to register your devices with the utility company.
On loss of power these inverters cut off within 20 ms or so. These are grid-tied, not insular (though with hacked firmware some of the models can be made insular-capable).
Maybe just look at how these inverters work before babbling about. These kits all come with standard off the shelf micro inverters, or rarely bigger string inverters, and will feed back up to 0,8wk into the grid if the energy is not used in the household. If the connection to the grid is lost they turn off within less than 50ms, making them completely safe for line technicians
Do you know how these kits work? The whole point is that they’re plug-and-play. If the feed back into the grid, they are not plug and play and will require coordination with your power company lest you accidentally kill someone because you’re backfeeding into a line they turned off so they could work on it.
The kits have built-in measures to avoid backfeeding, or they would be illegal. Where I live, they’ve been deemed so unsafe, failsafe or not, that you’re just not allowed to use them.
Why dont they install switches on both ends of the line? Seems obvious. Power is no longer unidirectional.
Decentralized grids are the future.
They cannot back feed when there is no grid power, yes. But they cannot differ between power used inside the house or outside the house. They can and will definitely push power back out to the grid as long as they detect grid power from other sources.
Yes I do. Had one for some time before we got our own house and ramped it up to a “real” 8 kWp array.
Which is exactly why there are harsh regulations about the index of these things in Germany. Before you plug it in, you have to register exactly where you’re plugging what in.