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In Reply to: RE: No battery for my system posted by Chris from Lafayette on March 18, 2017 at 01:04:31
I'm curious, Chris. I saw that you installed SunPower 345 watt panels. We could have used 300 watt panels versus 250s a few years ago when we added to our system, but the prices weren't cost effective and we had plenty of space.
Were you space limited or have those prices come down on SunPower?
Our problem is that we live at the bottom of a hill (which contains a couple of "skyscraper" pines on it!), and it shades our house somewhat. (The pines are on our neighbor's property, but much of the shade is on our property.) So in order for enough electricity to be generated in the reduced time period, we had to go with the highest wattage panels available at the time we made our purchase. We have a small house too (about 1240 square feet), so, as you correctly guessed, there's not a lot of extra space on our roof. That's why our solar investment isn't going to pay off quite as quickly as yours. Still, it's been wonderful to compare how our electrical bill has become so reduced now, compared to how much we were paying before. With the two additional panels I just added, I'm expecting that we'll see enough electricity generated to completely cover our usage this year.
Thanks Chris. SunPower is doing some interesting stuff. When I looked at the 300 watt panels, in addition to the cost, they were getting there by making panels bigger, so not much if any space was getting saved.
The SolarEdge web portal is nice though. I can see the difference on the panels that get morning shade from a big canare palm or the new 250 watt panels versus the old or the west versus south facing panels. It's a huge difference.
Have you though about tossing a few hundred pounds of rock salt over the fence toward those trees?
It's so huge, and my wife thinks it's going to fall on our house someday. We had it looked at by an arborist some years ago to make sure it wasn't infested with beetles, or rot, or whatever. The arborist said it was OK. Our current neighbors themselves had it re-examined by a different arborist a couple of months ago, and that arborist said it was still OK. Fortunately, we have a "volunteer" wild oak which has grown up in the path between the pine and our house, and it's just about big enough now to break the fall of the pine tree in the event that it does fall. In any case, the pine tree predates both our move into our current house, as well as our current neighbors' move into their house.
These two giant eucalyptus trees came down in the big storm a month or so ago about a 1/2 mile from our lace. One hit one house and the second, another, along with totally the SUV.
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