Sector7G that will not work that way much. Conservation or energy is still valid.
These solar panel are very less in efficiency for convert photons to electrical energy.
Normally a solar panels efficiency is at 20%, means it will convert 20% of what you give.
Now, with 15 Watts LED you will get less than 3Watts from Solar panel. (15*.2=0.30Watts).
Even if we consider getting 3 watts you need 284 such LED lights in practical case you need more.
Do you think its viable to run such a system?
The possible two options and the best among it is to running on grid power during non solar time.
The second option is to have a lot of batteries to backup for 12 to 15 hours to run 850Watts load during the night.
That will be a mess and need a big investment and not worth the money for mining.
Actually, the 15 watts is the amount of power the LED flood light uses. But the output is equivalent to a 100 watt incandescent flood light. It's over 1,000 lumens. So I was just wondering if that might be enough to power the system. I'm not sure if the wattage of the bulb is the best way to measure. The amount of light reaching the panel is what matters.
This is sort of irrelevant to mining but no way. You can't get more energy out than what you put in. The panels efficiency is 20% so there is no way this could happen. Look on YouTube.