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Wasn't sure where this should go but I really liked JBs solar garden so I'm putting it here. Really great piece on JB Straubel. [MEDIA]
[MEDIA] Nuclear zealots kinda remind me of the Black Knight... 'It costs $15/w!' .... 'no it doesn't... ' [MEDIA]
Bill Maher has made the wait time for his solar system a recurring part of his show. CA and TX should find a way to meet in the middle. Firm...
I think it's a bit of a stretch to call it an 'error'. That would be like saying the exchange that lists Gamestock 'errored' in allowing GME to...
Yep. So you should be good for 15.5kWDC
.... except that everywhere else winterization standards are't voluntary.
Them free market folks got themselves in a bit of a pickle. Market said energy was $9/kWh. Now they're saying that was too high... well... do ya...
I am the contractor :) With solar edge that should be super easy. Depending on the model it can accommodate up to 6kW per string and up to 155%...
Depends. We added 4 panels to a string inverter a couple years ago. Took < 2 hours total, we simply made a string of 7 into a string of 9 and a...
It's about time. It's insane that crap is still manufactured....
With an oversize ratio of 1.32 for your location.... PV watts estimates saturation losses of 57kWh/yr..... that's 0.1%. Maybe you can ask for a...
That's been roughly my observation with my panels but the effect usually only lasts ~2 weeks. 'Peak dirt' is usually reached rather quickly. The...
But for how long? If 25kWh is 'peak dirt' and it takes 3 weeks to reach ~'peak dirt' is it really worth washing the panels every 3 weeks to gain...
What kind of system do you have? If you can monitor the production of individual panels I would wash one and see if the difference is worth the...
Depends on what your use case is. Are you charging a vehicle to drive a few hundred miles or do you want to time shift surplus wind from March in...
How long do those usually last? And it's not like we don't have days to make sure everything is charged up before hand. Afterwards sunshine is...
Plenty of sunshine though :) Even when it's cloudy I can charge my car.
Is there any noise difference? I have friends that are put off by the 'buzzing'.... doesn't really bother me and I've read the sound comes more...
Amazon makes a single 'burner' model. I've never used it but it has good reviews.
I just want the most kWh/yr for the least $/kW.
That would be fine. I have 10.7kW on a 8kW SMA inverter. Do you have SMA? For some reason that's my recollection. Might have a 'SunPower'...
That's a good idea. Would be SUPER-easy if you can get the voltages to roughly match. You'd lose a little on the mis-match but it would probably...
The inverter is ~99.2% but the optimizers are also ~99% (0.99)(0.992) = 98.2% so the difference is really negligible. I'm really surprised they...
Good chance. For the cost of 6 micro inverters and the trunk cable and all the other ancillary stuff you'd need you're almost at the cost of a...
Because the cost of upgrading to a 10kW SE inverter is ~$2,000 plus you'd need to do a line-side-tap since most distribution panels can only...
Is your system ground mount or roof mount? PV Watts defaults to 'open rack' for some reason. Roof mount is ~200kWh/yr lower.
The difference isn't as much as you would think. With a 7.6kW inverter and an oversize ratio of 1.5 the system will produce ~16,264kWh/yr. With...
Yep. L3 is currently >$50k and usually closer to ~$200k. Makes A LOT more sense to spend $50k on 100 L2 locations than $50k on 1 L3.
They were down for 52 hours. Good chance it was due to Xenon. A gas turbine could have been back up in ~5 minutes. Crazy to think about how...
It was a problem with sensing lines. They were probably getting incorrect flow readings. This is another disadvantage with nuclear. With a gas...
Nobody that understands energy wants to rely on renewables. We want to use renewables to burn less fools fuel. That's not relying on them......
Possibly. It is mildly frustrating since I know several less plugshare savvy Tesla drivers have missed it. Would also help if Tesla would...
While you're here... why not help make it a bit better by at least voting people into office that support the idea of making it better? Is it...
The site wasn't 'pre-approved'. Don't know why that should matter...
???? We went from a Nobel laureate heading the DOE to a guy that LITERALLY cannot maintain a list longer than 2 items in his head.... if that's...
???? Why? Totally agree the US is better than Guatemala and a handful of other countries. Am I being too ambitious to think we should strive to...
LOL! Is that really our new standard for American exceptionalism? ‘We’re better than Guatemala’?
It does. Hopefully it's becoming clear that you can't rely on energy markets to provide acceptable reliability. This is only going to get worse...
Capacity Markets might be a good solution to that. The way I heard it explained is you can kinda think of it as being like insurance. If the...
The Columbia Energy Exchange discussed the Texas fiasco in their latest podcast with Jesse Jenkins and Cheryl LaFleur. The SUPER-obvious point...
I've read that Tesla has string level somehow. Not sure how that complies with NEC 2019. SMA uses a sunspec module. I hope the whole RSD thing...
Yep. String level is all you need. Generally speaking MPPT is MPPT :) There are some differences in the trackers 'intelligence' but the...
No. Has nothing to do with rapid shutdown. It's how string level optimization out-performs module level the vast majority of the time.
Hard to imagine a bigger waste of money and resources than all the MLPEs out there.... :( The 'shade fix' thing is unfortunate. This would occur...
I was very close to buying a NiFe battery for my off-grid setup. From what I've read they're virtually indestructible. The downsides are the...
..... what cost increase should insurance companies and FEMA be willing to pay for the LACK of regulation? It's not like any money was saved....
Depends on who he's speaking to. He blamed wind on a faux news interview AFTER he said it was gas constraints. Anyone with at least a double...
Bit of a false dichotomy isn't? Why not encourage everyone to have at least 72 hours of food and water AND have a robust FEMA that can respond to...
.... because those differing priorities are based on the fantasy that windmills cause blackouts, most people would prefer prolonged power outages...
Plugshare is a better resource. I tried to add the HPWC in Roswell but Tesla rejected it because it wasn't 'preapproved'....