60W equivalent LEDs are $3 for a pack of three at Costco in the Chicago area 
due to an instant rebate from ComEd, the area power company.  I really like 
them, so I need to find a home for my inventory of CFLs.

Jim N7US
Sent from my iPad


On Sep 25, 2015, at 10:33 AM, Wayne Burdick <n...@elecraft.com> wrote:

Hi all,

Some of our friends are putting in large solar arrays that feed power back into 
the electrical grid. I'm looking for something smaller and simpler since our 
electricity use is very low overall.

The reason it's so low is that we've converted all of our lighting to LED. (LED 
bulbs that consume 10 W yet have 60 W equivalent light output relative to 
incandescents are getting remarkably cheap -- 3 for $10 at Home Depot.) 
Consumption goes up when we use the electric range, etc., but that's 
infrequent, and I don't mind paying the city at such times. As for the radios, 
I run 10 W more often than 100 W, and the computers don't use much, either. 

So I figure we could run the house from a 500- to 600-W array most of the time. 
Other requirements:

- I'd like to forego feed-in to the power grid. We don't need to watch our 
meter turn backwards, and with a small array it would turn pretty slowly 
anyway. But I do want city power in parallel when we exceed solar array 
capability.

- I want a backup battery that's sufficient to hold us for a couple of days 
during a blackout. Every once in awhile on a really hot day, city power 
consumption exceeds what's available, and a transformer blows somewhere. Very 
entertaining until you have to go buy ice for the fridge.

Systems that meet the above requirements seem to cost a lot more than the sum 
of the parts. So what I'm looking for is a good source of roll-your-own-solar 
info. I'll hire an electrician to wire up the solar system in parallel with the 
city supply, but I could purchase the components and do most of the 
installation myself.

Any suggestions? Please contact me off-list.

tnx
Wayne
N6KR


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