Solar panel to serve parking garage lighting vs. AC

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anbm

Senior Member
If we know the total kw of parking garage lighting consumes, hours the lights are on per day, is there a website with simple tool to calculate/estimate solar power panel size, quantity, power input / output capacity to serve the entire parking garage lighting load, cost saving per year, etc. (either use all solar power or mix of solar and AC power). Thanks.
 

tortuga

Code Historian
Location
Oregon
Occupation
Electrical Design
I dont know of any, but it should not be that hard?
Whats the kW and the hours per day?
You would need some kind of energy storage also.
 

LarryFine

Master Electrician Electric Contractor Richmond VA
Location
Henrico County, VA
Occupation
Electrical Contractor
And, unless you only want lights when the sun is up, you'll need batteries (as Tortuga said).

I think it would take a long, long time (if ever) to break even, compared to using normal utility power.
 
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