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Cleaned small spot on one the two panels to show its 5 day accumulation.View attachment 655042
May want to consider a ladder standoff like this? I have one and is great. Saves gutters too.Cleaned small spot on one the two panels to show its 5 day accumulation.View attachment 655042
Thanks for mentioning these, I didn't know such a thing existed.May want to consider a ladder standoff like this? I have one and is great. Saves gutters too.
What app is this? Does it come with Tesla ?1 months worth of dust equals 4% of lost production where I live.
View attachment 654189
View attachment 654190
I have flat concrete tiles, not the mission type and It works great for me, right over the gutter on the 1st bottom row. This way I can carry a bucket of water straight up and over the top rung. I place it about 4"-6" from the top of the extension part so there is not a lot of ladder rung on the roof, and not side stepping. I won't be home for a while so I cannot post a picture of it in use but the on line picture is good.Thanks for mentioning these, I didn't know such a thing existed.
Considering ordering one, but question ... can you rest the stabilizer on the roof (e.g. on top of the shingles) or not? Half the customer comments say or show you can, and half say it's not designed for that. I have 3 1/2 ft deep eaves, so there's no way I could lean it against the wall to reach the roof. And other comments say you need 4 rungs above the stabilizer to step off/onto the roof safely.
What app is this? Does it come with Tesla ?
Apparently I'm already at dust equilibrium. I cleaned one of those two panels last night. The array is now 2.8% less production than the 1 week clean panel and 4.07% less than the panel I cleaned last night.
So it appears that it's about 4% if you do nothing. Obviously that could change dramatically with ash from fires and such.
and what did you buy?I installed an automatic device that adjusts for production lost due to dirty panels. Pretty cheap. I call it 'adding 5% more panels'
and what did you buy?
I installed an automatic device that adjusts for production lost due to dirty panels. Pretty cheap. I call it 'adding 5% more panels'
I agree that a stand off is really useful, though I like this design a little better, but it does depend on what and where you use it.
All the best,
BG
Was this experiment from last years fire season or this year, with limited fire ash?The difference is 13%....which is a lot. I have 13 kw now which is more than I need until I finish the heat pump conversions, but after that, I'm going to need to go back to monthly cleanings at least.
Our air quality in Merced this summer has been amazing. We've been lucky and not had any ash from forest fires in the air. Purple air has basically been in the low teens every single day.
Was this experiment from last years fire season or this year, with limited fire ash?