How many solar panels do you need to power a whole house?


October 20th, 2008

When I look at my electric bill, it says that on a daily average my house is using 60 KWH kilowatts per hour. I noticed that some solar panel kits for about $15,000 for 3,000 watts. So is the 3,000 watts converted into kilowatts so that it amounts to 3 kilowatts? I don't understand how this all works. I'm trying to figure out how many batteries I need and how many solar panels I need to go 100% off of the grid.

I am 100% off of the grid and am complete self sufficient. On my ranch I have a total of 27 solar panels, and 2 wind generators.

The approximate annual household energy consumption for a three bedroom house is 4200 KWH to 7500 KWH a year. That breaks down to between 11.5 KWH and 20.5 KWH per day and about 64 small panels.

The typical size of a solar panel system that totally powers a house is 2,000 watts. That's about enough power to run 30 light bulbs. But remember, if you are going to run your house off of solar power, you wouldn't use the same old light bulbs. Instead, you would use long lasting florescent light bulbs.

It is recommended that you also use wind power to charge your battery bank as 64 panels is a lot of panels and money!

For more information about how many solar panels you need for your house use the awesome solar power calculator at solar power calculator

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Does anyone know where I can find solar light kits to make my own out door lights? I have looked and looked!?


September 20th, 2008


I really cant imagine that you could obtain the inner workings yourself cheaper than the commercially available ones complete.

For example, here's 12 solar powered outdoor lights sold on Amazon at SohoDecor 12 Pack Stainless Steel Solar Garden Lights , New 2009 2 LEDs version with Ultra High Sensitive Solar Panel /ECO Bonus Edition

Here's a two pack of stylish solar powered torch lights on Amazon at Malibu Outdoor Solar-Powered Tiki Torch Light, 2-Pack #LZ604R2

If it's outdoor solar powered flood lights you are looking for, here is a 3 pack on Amazon at Malibu 3-Pack Solar Landscape Plastic Flood Light Set with Remote Panel, Textured Black #LZ413

Again, all of these solar light kits are really cheap and I doubt that you can make one on your own for any cheaper.

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