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For questions about photovoltaic panels or photovoltaic-based solar power systems.
1
vote
How come if one's building has individual metering, then she/he is limited to installing sol...
There are two key different ways that condominium or similar multi-unit buildings can be wired:
Multiple Utility Feeds
Each unit has its own wires going to the utility. Each unit can, at least from …
1
vote
I would like a switch that turns on when the sun is shining
There are a few ways of going about this, depending on what you are really trying to do.
If you have a setup where DC solar power is converted to AC power that feeds through your main panel into the u …
3
votes
How I can find out what size solar panels I will need in order to power a single air conditi...
For direct solar/off-grid usage, you will likely do much better with a unit designed for DC instead of AC. Something like this - (I have no connection to this company, just the first one from a Google …
4
votes
Accepted
Understanding the technical characteristics of solar light
TL;DR Not very long
At night, the solar charge rate is irrelevant. Lumens per watt tells you how much light your lamp can produce, which is also irrelevant.
The only things that matter are power avail …
18
votes
Is Electric Central Heating worth it if using Solar Panels?
Assuming that you are (a) on the regular electric utility grid and (b) are on the regular natural gas delivery system (i.e., don't require propane deliveries), as a general rule, natural gas heating w …