Solar Cost Calculator - Coming Soon!
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With little more than your electric bill, you can estimate the pv system size that's right for you (note: you need to have Microsoft Excel to open this file).
Under current SDG&E rates, installing too many solar panels could mean that you will give away free electricity to SDG&E. With this calculator, you determine how much photo-voltaic capacity you need to hit the "sweet spot" in SDG&E's complicated rates. All you need is your electric bills for the last 12 months (they're online if you don't have them) to determine what size system is right for you. |
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Solar output
For the record I have a 2200 watt Solar system, installed 5/03, 2 Blocks from the beach. Our output to date is 20519 kwh. I couldn't find any data on beach weather solar output when designing my system, and hope this helps others. Of course we have no electric use except minor and refrigerators during the day so our net output generally exceeds the house requirements during the summer. Am an engineer and if I can be service be glad.
live online spreadsheets via GoogleDocs
I know Google has a bunch of online applications and one is a spreadsheet application which can be shared to anyone with an email account. You don't have to be a gmail user so anyones email account works. What I don't know is how one would create such a spreadsheet and let many users input their own unique values. Possibly using the Forms mechanism.
If that works, it would be cool to have such a spreadsheet where as people enter in their specific data to size a system, those data points remain for everyone to see the results. ie, a history of many different sizes such that after a short period, many could just look for values close to theirs and see the size immediately.
Just a thought since there is an online spreadsheet program instead of requiring everyone purchase and load up one on their own computer. Web 2.0 stuff is pretty cool for these kinds of things.
if this sounds interesting let me know and I can dig into this further.
UCAN PV Solver Red file
This file seems to be corrupted. Please check it out.
PV Solver
Your Excel program is corrupted alright.
Heck-and I was about to calculate how much it would cost to be installed on my home.
Oh well.
Maybe you cd let me know when it starts working?
Thanks--Rik Keller
Corrupted XL file
Rik, we are working on the problem now. I apologize for the delay, but I promise, it is worth the wait.
Charles Langley
Gasoline Analyst & Publisher, UCAN Watchdog
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