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Hi Ghabel, there are a number of different cases in this particular regards, under standard contracts we won't install on roofs with less than 20 years left on them. But, I reccomend getting a free consultation with one of our consultants to see contract details to this question as the answers...

You may have already guessed it.. http://www.greentechmedia.com/articles/read/who-reigns-supreme-in-residential-solar/" onclick="window.open(this.href);return false; Throughout the first three quarters of 2011, SolarCity reigned supreme with an immense 14% of national market share. This is 8%...

The Sanyo panels are really the best panels to get especially in the hotter areas of the country. We did some testing and found that as the weather gets hotter the Sanyo ones would produce 15-20 watts more power than all the other brands of the same wattage rating did.

Even with the cheaper prices of power in Washington and Oregon we are still competitive for power costs with as little as 0 down mainly because of the rebates offered there. As for ground mounts, be careful on these, depending on the territory they can be expensive to install due to the...

Have you already got the charging dock? If not, check out Solarcity, they'll install 25 amp for 1750.

Also a good idea to keep the blueprints and design to the system in an easy to access place for future homeowners. I've had a few customers who've purchased homes with solar on them that was broken and they hired several people to check it out only to find that none of them could fix it because...

Hey guys, just a few things to add. Solarcity will honor the existing warranty on your roof and warranty your system for the entire lease period. If you decide to remove after 20 years, we will restore the roof as close to original condition as possible even if we have to buy matching tiles...

If your roof is facing 340 sure, I could see the 20 percent drop. But you'll still get quite a bit of power generation even on something other than south as long as you got your tilt dialed in correctly you shouldn't see more than a 10 percent average production drop. Though, If you are...

Good luck with the Evergreen, I'd make sure to keep a few around for replacements as warrantying them is a pain. Also, make sure whatever installer you use does a Site Audit first and gives you all the construction plans before installing on roof this way if you decide to upgrade later you have...

The price isn't bad, If you are only doing 1 or two panels its okay as a DIY. You need to remember that setting up a Solar System is pretty dangerous as the typical string is set at 300-600 Volts DC power which is actually worse than AC which will blow you back DC will hold you and Fry you...

Great question, its typically based on cost per khwr (production) after rebates.

Try this instead, http://solarlease.solarcity.com/SolarBidLite/InsideSales.aspx?UserType=InsideSales" onclick="window.open(this.href);return false; After the first page, adjust settings -Kevin

I just looked up the model you referenced here http://www.fronius.com/cps/rde/xchg/SID-08D6E82D-CD848764/fronius_usa/hs.xsl/2714_1485.htm" onclick="window.open(this.href);return false; The max efficiency is 96.2 with mostly at 95.5. Assuming you have a south facing roof this would be a gain...

Depends on the existing system most likely Fronius DC-inverter these days you can ask your salesperson what it is and he will know what your system is designed with. With the optimizers it would be 97.5 percent. Typical cost increase for your system to be DC optimized would be less than a...

Microinverters on 14 panels will actually cost more than a single inverter as much as some manufactures would like to propose differently. Plus the advantage of a single inverter is that it can be easily serviced on the wall, or, replaced for a more efficient one in the future. The number 1...

So to answer your question, leasing has three methods of payment. First is 0 down which has an adder into it where the payment increases 3.5 percent a year if you sold the house, you would transfer it to new owner pending his credit check. Or, prepay the lease and add into cost of house...

Kind of hard to do Solar competitively, when the power company provides no rebates for solar and the power rates are 6-9 cents a watt.

I usually take a look at the roof first via sattellite and ask a few questions before I set you up with an appointment over to the outside sales team who is trained on what to ask and look for to make sure they create an ideal quote for your roof. They also know a lot more about the local...

Depends on your lattitude and pitch really, but system wise, for Solar City installs in N California SF Bay area with a 22 percent pitch you'd be looking at a roughly 8-9 percent annual difference in production in with west facing panels and 10-14 percent with E facing panels. The difference is...

I use the TED 5000 on a cottage, and it works very well in regards to monitoring power usage. It will also allow me to input a cost per khwr in there with tiers even. It makes splitting up the bill a lot easier.