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FAQ

nan

The first step to planning your system is to evaluate rebate options and obtain permits. Deciding the size of your system is the next step. With a grid-tied system, size is less critical, because the grid supplies power when your PV system falls short. Systems as small as a couple hundred watts are practical, but you can also install panels that will produce enough electricity for all your needs.

Solar panels can significantly improve the overall energy security of a building. By harnessing the power of the sun, solar panels provide a reliable and renewable source of electricity, reducing dependence on traditional energy sources and the associated risks of price volatility and supply disruptions. This not only enhances the building's resilience during power outages but also helps to stabilize energy costs in the long run. Additionally, solar panels contribute to a more sustainable and environmentally friendly energy system, reducing carbon emissions and mitigating the impact of climate change.

I'm re-doing my roof. Is it workable?Can I get a government grant or something to put solar panels on my roof?I know they did something like that for windows.

solar panels are only about 20% or so efficient right now but you get great tax break in the US --- mostly.. wish you well... ps not that cheap but most companies installing these systems will supply with all grant papers for free.

Hi, I want to put some solar light in my yard, and wondering if a 00w solar panel could work for a few 3w dc lights....do i need a battery so they run at night, if so how many lights do u think i can run/ also i see elading solar light

3 w for 2 hours/night is 36 watt hours. You'll get about 500 watt hours/day from your panel on the average, which for a 2 volt battery is about 40 ampere hours. You can get an 80 amp-hour sealed gel cell battery to charge with this panel (with a suitable charge controller). You want to size your lights so the battery can provide three days of light without discharging it more than 50%, so that's abnout 600 watt-hours/3/36 = about 4 orf 5 lights. Cost for this system woulkd be over $500. The advantage of the self contained light is they use a lithium or nickel battery rather than a lead acid, so it can run totally dead without damage (unmlike a sealed lead-acid battery). That would be a far cheaper way to go. DK

Yes, solar panels can be used to power a skyscraper. With advancements in technology, large-scale solar panel installations can generate enough electricity to meet the energy demands of a skyscraper. However, it may require a significant number of panels and efficient utilization of available space to maximize solar energy production. Additionally, energy storage systems can be employed to ensure continuous power supply, especially during periods of low sunlight or at night.

I have heard a lot about solar panels and I want to know how these solar panels works and is it really possible to generate electricity using solar panels. And what is the cost of getting a solar panel installed?

Solar okorder

Hi, wanting to set up the most basic solar panel system for a cabin in the woods that has enough power to recharge four 2V car batteries during the daytime (i am assuming; we want to run a mini fridge maybe a stove and a few lights at night off the batteries and be able to run it all just off solar during the day) It also needs to be able to power some simple tools during the day... Experience would be absolutely amazing since alot of the info on solar paneling is either really dumbed down, or ridiculously confusing.As of right now I am looking at a 3 panel (45watt in all) solar kit that needs a 300w inverter.... is this sufficient for my power needs? I am just a little perplexed, thanks so much!

If okorder / If the minifridge is one that plugs into 2 volts, that should be okay. Anywhere you can eliminate the inverter will help. Such as converting the stereo over to 2 volts. The nominally rated panels should be mounted at an angle to maximize the solar aspect/exposure. Essentially your lattitude plus 2 degrees for simplicity. If you add 60 Watts in panels you will do much better. Your 3 panels when installed correctly will actually yield over 5 Watts each panel at midday. If you do not achieve that, something is wrong in either the wiring, or a panel. It translates to about point2 Amperes to point5 Amperes at midday. If wired in series for 36 volts, the total current output will be same as a single panel (nominal 5 Watt), but at a higher voltage. If wired in parallel, you achieve the 45 Watts at nominal 2 volts. Watts is voltts times Amps. Also converting your tools over to run off the 2 volts will help, Or charging your tool batteries off the 2 volt buss. There are buck/boost circuits that would be capable of charging the common 4.4 and 8. volt tools out there.

how would you build a solar panel

As a sandwich. Glass Space /4 inch Glass Space with copper radiator painted flat black. Box made of wood. with the inside painted black. Insulate the back side. Use water with RV antifreese. Circulate water through with a small pump. Face it toward the sun. Thermal water solar Panel.