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Why concurrent production is important.Batteries are not free.Neither to install, nor to charge.RTE, or round trip efficiency tops out typically at around 85-90%, which means you lose 10-15% of your energy in the process of (AC coupled example)rectifying AC, charging stack, then inverting DC after discharge, ...

Wrong, Wrong, Wrong,..To reparaphrase the question, 'why not track on large (utility scale) ground mount arrays?'The answer..As I stayed originally, is that LCOE, ROI, MTBF, etc. are the KPI's for utility scale solar, which is facilitated by it's economics.But this also affects it's power to offset FF.California ...

FYI... Vic AguilarSustainable Energy ConsultantNABCEP COK#081309(626)633-6682Please consider your environmental responsibility. Before printing this e-mail message, ask yourself whether you really need a hard copy.

US current is split-phase @220vac/60Hz nom.PowerWalls grid form same in off-grid mode. They use frequency shifting to signal battery state of charge or zero-export curtailment instructions.Hope that helped.. Vic AguilarSustainable Energy ConsultantNABCEP COK#081309(626)633-6682www.sustainergyadvisor ...

In a nutshell,...Bankability and LCOE are gods in utility scale solar. Complexity robs profits if not cost justified. It is cheaper to simply orient more fixed panels toward the most profitable azimuth. For us in the western US,..that means WEST. Tracking typically only makes sense when you are space ...

The first passive what!?!A Hilarious example of "if it didn't happen in the US, it didn't happen."I am sure plenty who read this forum are chuckling to themselves and mouthing 'PassivHous' as they read this. https://en.wikipedia.org/wiki/Passive_house https://passivehouse.com/ Vic AguilarSustainable ...